Changes for page Part IV. Data and Metadata Namespaces

Last modified by Artur on 2025/09/10 11:19

From 7.1 to 8.1 From 9.1 to 10.1

From version 8.1

edited by Helena
on 2025/06/24 15:10

Change comment: There is no comment for this version

To version 9.1

edited by Helena
on 2025/06/24 15:17

Change comment: There is no comment for this version

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@@ -32,7 +32,6 @@
  |(% style="width:487px" %)http:~/~/www.w3.org/2001/XMLSchema|(% style="width:120px" %)xs
  Contents:
--
 Complex Types
  === 2.1.2 Complex Types ===
@@ -45,15 +45,12 @@
  ** DataSetType
  Attributes:
--
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?
  Content:
--
  com:Annotations?, DataProvider?, Attributes?, Group*, (Series+ | Obs+)?
  Attribute Documentation:
--
  (% style="width:1011.29px" %)
  |**Name**|**Type**|(% style="width:597px" %)**Documentation**
  |structureRef|xs:IDREF|(% style="width:597px" %)The structureRef contains a reference to a structural specification in the header of a data or reference metadata message. The structural specification details which structure the data or reference metadata conforms to, as well as providing additional information such as how the data is structure (e.g. which dimension occurs at the observation level for a data set).
@@ -67,7 +67,6 @@
  |publicationPeriod|com: ObservationalTimePeriodType|(% style="width:597px" %)The publicationPeriod specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force (i.e., "Q1 2005" if that is the time of publication for a data set published on a quarterly basis).
  Element Documentation:
--
  (% style="width:1016.29px" %)
  |**Name**|**Type**|(% style="width:642px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:642px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -80,26 +80,21 @@
  **GroupType: **GroupType defines a structure which is used to communicate attribute values for a group defined in a data structure definition. The group can consist of either a subset of the dimensions defined by the data structure definition, or an association to an attachment constraint, which in turn defines key sets to which attributes can be attached. In the case that the group is based on an attachment constraint, only the identification of group is provided. It is expected that a system which is processing this will relate that identifier to the key sets defined in the constraint and apply the values provided for the attributes appropriately.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** GroupType
  Attributes:
--
  type
  Content:
--
  com:Annotations?, GroupKey?, Attributes
  Attribute Documentation:
--
  (% style="width:1010.29px" %)
  |**Name**|**Type**|(% style="width:709px" %)**Documentation**
  |type|com:IDType|(% style="width:709px" %)The type attribute holds the identifier assigned to the group in the data structure definition for which attribute values are being provided.
  Element Documentation:
--
  (% style="width:1014.29px" %)
  |**Name**|**Type**|(% style="width:704px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:704px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -109,16 +109,13 @@
  **SeriesType: **SeriesType defines a structure which is used to group a collection of observations which have a key in common. The key for a series is every dimension defined in the data structure definition, save the dimension declared to be at the observation level for this data set. In addition to observations, values can be provided for attributes which are associated with the dimensions which make up this series key (so long as the attributes do not specify a group attachment or also have an relationship with the observation dimension). It is possible for the series to contain only observations or only attribute values, or both.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** SeriesType
  Content:
--
  com:Annotations?, SeriesKey, Attributes?, Obs*
  Element Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:689px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:689px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -129,16 +129,13 @@
  **ObsOnlyType: **ObsOnlyType defines the structure for an un-grouped observation. Unlike a group observation, an un-grouped must provided a full set of values for every dimension declared in the data structure definition. The observation can contain an observed value and/or a collection of attribute values.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** ObsOnlyType
  Content:
--
  com:Annotations?, ObsKey, ObsValue?, Attributes?
  Element Documentation:
--
  (% style="width:996.294px" %)
  |**Name**|**Type**|(% style="width:651px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:651px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -149,16 +149,13 @@
  **ObsType: **ObsType defines the structure of a grouped observation. The observation must be provided a value for the dimension which is declared to be at the observation level for this data set. This dimension value should disambiguate the observation within the series in which it is defined (i.e. there should not be another observation with the same dimension value). The observation can contain an observed value and/or attribute values.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** ObsType
  Content:
--
  com:Annotations?, ObsDimension, ObsValue?, Attributes?
  Element Documentation:
--
  (% style="width:1004.29px" %)
  |**Name**|**Type**|(% style="width:694px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:694px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -169,11 +169,9 @@
  **ValuesType: **ValuesType is a general structure which contains a collection of data structure definition component values. This type is used to provide both key and attribute collection values.
  Content:
--
  Value+
  Element Documentation:
--
  (% style="width:1008.29px" %)
  |**Name**|(% style="width:185px" %)**Type**|(% style="width:692px" %)**Documentation**
  |Value|(% style="width:185px" %)ComponentValueType|(% style="width:692px" %)Value contains a component value and a reference to the component for which a value is being provided.
@@ -181,15 +181,12 @@
  **BaseValueType: **BaseValueType is a general structure which contains a reference to a data structure definition component and a value for that component. In this structure the reference to the component is optional to allow for usages where the actual reference might be provided in another context.
  Attributes:
--
  id?, value
  Content:
--
  {Empty}
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|(% style="width:194px" %)**Type**|(% style="width:664px" %)**Documentation**
  |id|(% style="width:194px" %)com:NCNameIDType|(% style="width:664px" %)The id attribute contains the identifier for the component for which a value is being provided.
@@ -198,20 +198,16 @@
  **ObsValueType: **ObsValueType is a derivation of the BaseValueType which is used to provide an observation value. Since an observation value is always associated with the data structure definition primary measure, and the identifier for the primary measure is fixed, the component reference for this structure is fixed. Note that this means that it is not necessary to provide a value in an instance as the fixed value will be provided in the post validation information set.
  Derivation:
--
  * BaseValueType (restriction)
  ** ObsValueType
  Attributes:
--
  id?, value
  Content:
--
  {Empty}
  Attribute Documentation:
--
  (% style="width:1004.29px" %)
  |(% style="width:190px" %)**Name**|(% style="width:213px" %)**Type**|(% style="width:598px" %)**Documentation**
  |(% style="width:190px" %)id (fixed: OBS_VALUE)|(% style="width:213px" %)com:NCNameIDType|(% style="width:598px" %)The id attribute contains a fixed reference to the primary measure component of the data structure definition.
@@ -220,20 +220,16 @@
  **ComponentValueType: **ComponentValueType is a derivation of the BaseValueType which requires that the component reference be provided. This is used when the identification of the component cannot be inferred from another context.
  Derivation:
--
  * BaseValueType (restriction)
  ** ComponentValueType
  Attributes:
--
  id, value
  Content:
--
  {Empty}
  Attribute Documentation:
--
  (% style="width:1008.29px" %)
  |**Name**|(% style="width:184px" %)**Type**|(% style="width:679px" %)**Documentation**
  |id|(% style="width:184px" %)com:NCNameIDType|(% style="width:679px" %)The id attribute contains the identifier for the component for which a value is being provided.
@@ -242,21 +242,17 @@
  **TimeSeriesDataSetType: **TimeSeriesDataSetType is a derivation of the base DataSetType of the generic format the restricts the data set to only allow for grouped observations where the dimension at the observation level is the time dimension of the data structure definition. This means that unlike the base data set structure, there can be no un-grouped observations. Because this derivation is achieved using restriction, data sets conforming to this type will inherently conform to the base data set structure as well. In fact, data structured here will be identical to data in the base data set when the time dimension is the observation dimension. This means that the data contained in this structure can be processed in exactly the same manner as the base structure.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** DataSetType (restriction)
  *** TimeSeriesDataSetType
  Attributes:
--
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?
  Content:
--
  com:Annotations?, DataProvider?, Attributes?, Group*, Series*
  Attribute Documentation:
--
  (% style="width:1004.29px" %)
  |**Name**|**Type**|(% style="width:590px" %)**Documentation**
  |structureRef|xs:IDREF|(% style="width:590px" %)The structureRef contains a reference to a structural specification in the header of a data or reference metadata message. The structural specification details which structure the data or reference metadata conforms to, as well as providing additional information such as how the data is structure (e.g. which dimension occurs at the observation level for a data set).
@@ -270,7 +270,6 @@
  |publicationPeriod|com: ObservationalTimePeriodType|(% style="width:590px" %)The publicationPeriod specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force (i.e., "Q1 2005" if that is the time of publication for a data set published on a quarterly basis).
  Element Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:622px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:622px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -282,17 +282,14 @@
  **TimeSeriesType: **TimeSeriesType defines a structure which is used to group a collection of observations which have a key in common, organised by time. The key for a series is every dimension defined in the data structure definition, save the time dimension. In addition to observations, values can be provided for attributes which are associated with the dimensions which make up this series key (so long as the attributes do not specify a group attachment or also have an relationship with the time dimension). It is possible for the series to contain only observations or only attribute values, or both.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** SeriesType (restriction)
  *** TimeSeriesType
  Content:
--
  com:Annotations?, SeriesKey, Attributes?, Obs*
  Element Documentation:
--
  (% style="width:1012.29px" %)
  |**Name**|**Type**|(% style="width:695px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:695px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -303,17 +303,14 @@
  **TimeSeriesObsType: **TimeSeriesObsType defines the structure of a time series observation. The observation must be provided a value for the time dimension. This time value should disambiguate the observation within the series in which it is defined (i.e. there should not be another observation with the same time value). The observation can contain an observed value and/or attribute values.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** ObsType (restriction)
  *** TimeSeriesObsType
  Content:
--
  com:Annotations?, ObsDimension, ObsValue?, Attributes?
  Element Documentation:
--
  (% style="width:1019.29px" %)
  |**Name**|**Type**|(% style="width:709px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:709px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -324,20 +324,16 @@
  **TimeValueType: **TimeValueType is a derivation of the BaseValueType which is used to provide a value for the time dimension. Since the identifier for the time dimension is fixed, the component reference for this structure is fixed. Note that this means that it is not necessary to provide a value in an instance as the fixed value will be provided in the post validation information set.
  Derivation:
--
  * BaseValueType (restriction)
  ** TimeValueType
  Attributes:
--
  id?, value
  Content:
--
  {Empty}
  Attribute Documentation:
--
  (% style="width:1013.29px" %)
  |(% style="width:205px" %)**Name**|(% style="width:277px" %)**Type**|(% style="width:528px" %)**Documentation**
  |(% style="width:205px" %)id (fixed: TIME_PERIOD)|(% style="width:277px" %)com:NCNameIDType|(% style="width:528px" %)The id attribute contains the identifier for the component for which a value is being provided.
@@ -357,7 +357,6 @@
  |(% style="width:475px" %)http:~/~/www.w3.org/2001/XMLSchema|(% style="width:549px" %)xs
  Contents:
--
 Complex Types
 Simple Type
@@ -366,20 +366,16 @@
  **//DataSetType//: **DataSetType is the abstract type which defines the base structure for any data structure definition specific data set. A derived data set type will be created that is specific to a data structure definition and the details of the organisation of the data (i.e. which dimension is the observation dimension and whether explicit measures should be used). Data is organised into either a collection of series (grouped observations) or a collection of un-grouped observations. The derived data set type will restrict this choice to be either grouped or un-grouped observations. If this dimension is "AllDimensions" then the derived data set type must consist of a collection of un-grouped observations; otherwise the data set will contain a collection of series with the observations in the series disambiguated by the specified dimension at the observation level. This data set is capable of containing data (observed values) and/or documentation (attribute values) and can be used for incremental updates and deletions (i.e. only the relevant updates or deletes are exchanged). It is assumed that each series or un-grouped observation will be distinct in its purpose. For example, if series contains both data and documentation, it assumed that each series will have a unique key. If the series contains only data or only documentation, then it is possible that another series with the same key might exist, but with not with the same purpose (i.e. to provide data or documentation) as the first series. This base type is designed such that derived types can be processed in a generic manner; it assures that data structure definition specific data will have a consistent structure. The group, series, and observation elements are unqualified, meaning that they are not qualified with a namespace in an instance. This means that in the derived data set types, the elements will always be the same, regardless of the target namespace of the schemas which defines these derived types. This allows for consistent processing of the structure without regard to what the namespace might be for the data structure definition specific schema. The data set can contain values for attributes which do not have an attribute relationship with any data structure definition components. These attribute values will exist in XML attributes in this element based on this type (DataSet). This is specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived data set type will refine this structure so that the attributes are explicit. The XML attributes will be given a name based on the attribute's identifier. These XML attributes will be unqualified (meaning they do not have a namespace associated with them). To allow for generic processing, it is required that the only unqualified XML attributes in the derived data set type (outside of the standard data set attributes) be for attributes declared in the data structure definition. If additional attributes are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a data structure definition attribute.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //DataSetType//
  Attributes:
--
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?, dataScope, REPORTING_YEAR_START_DAY?
  Content:
--
  com:Annotations?, DataProvider?, Group*, (Series+ | Obs+)?
  Attribute Documentation:
--
  (% style="width:1005.29px" %)
  |(% style="width:199px" %)**Name**|(% style="width:216px" %)**Type**|(% style="width:521px" %)**Documentation**
  |(% style="width:199px" %)structureRef|(% style="width:216px" %)xs:IDREF|(% style="width:521px" %)The structureRef contains a reference to a structural specification in the header of a data or reference metadata message. The structural specification details which structure the data or reference metadata conforms to, as well as providing additional information such as how the data is structure (e.g. which dimension occurs at the observation level for a data set).
@@ -395,7 +395,6 @@
  |(% style="width:199px" %)REPORTING_YEAR_START_DAY|(% style="width:216px" %)xs:gMonthDay|(% style="width:521px" %)The REPORTING_YEAR_START_DAY attribute is an explict attribute for the reporting year start day, which provides context to the time dimension when its value contains a reporting period (e.g. 2010-Q1). This attribute is used to state the month and day that the reporting year begins (e.g. ~-~-07-01 for July 1st). In the absence of an explicit value provided in this attribute, all reporting period values will be assumed to be based on a reporting year start day of January 1. This is declared in the base schema since it has a fixed identifier and representation. The derived data set type may either require or prohibit this attribute, depending on whether the data structure declared the reporting year start day attribute and if so, the attribute relationship and assignment status assigned to it.
  Element Documentation:
--
  (% style="width:1005.29px" %)
  |**Name**|**Type**|(% style="width:630px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:630px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -407,20 +407,16 @@
  **//GroupType//: **GroupType is the abstract type which defines a structure which is used to communicate attribute values for a group defined in a data structure definition. The group can consist of either a subset of the dimensions defined by the data structure definition, or an association to an attachment constraint, which in turn defines key sets to which attributes can be attached. In the case that the group is based on an attachment constraint, only the identification of group is provided. It is expected that a system which is processing this will relate that identifier to the key sets defined in the constraint and apply the values provided for the attributes appropriately. Data structure definition schemas will drive types based on this for each group defined in the data structure definition. Both the dimension values which make up the key (if applicable) and the attribute values associated with the group will be represented with XML attributes. This is specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived group type will refine this structure so that the attributes are explicit. The XML attributes will be given a name based on the attribute's identifier. These XML attributes will be unqualified (meaning they do not have a namespace associated with them). The dimension XML attributes will be required while the attribute XML attributes will be optional. To allow for generic processing, it is required that the only unqualified XML attributes in the derived group type be for the group dimensions and attributes declared in the data structure definition. If additional attributes are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a data structure definition dimension or attribute.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //GroupType//
  Attributes:
--
  type?, REPORTING_YEAR_START_DAY?
  Content:
--
  com:Annotations?
  Attribute Documentation:
--
  (% style="width:1008.29px" %)
  |**Name**|**Type**|(% style="width:621px" %)**Documentation**
  |type|com:IDType|(% style="width:621px" %)The type attribute reference the identifier of the group as defined in the data structure definition. This is optional, but derived group types will provide a fixed value for this so that it always available in the post validation information set. This allows the group to be processed in a generic manner.
@@ -427,7 +427,6 @@
  |REPORTING_YEAR_START_DAY|xs:gMonthDay|(% style="width:621px" %)The REPORTING_YEAR_START_DAY attribute is an explict attribute for the reporting year start day, which provides context to the time dimension when its value contains a reporting period (e.g. 2010-Q1). This attribute is used to state the month and day that the reporting year begins (e.g. ~-~-07-01 for July 1st). In the absence of an explicit value provided in this attribute, all reporting period values will be assumed to be based on a reporting year start day of January 1. This is declared in the base schema since it has a fixed identifier and representation. The derived group types may either require or prohibit this attribute, depending on whether the data structure declared the reporting year start day attribute and if so, the attribute relationship and assignment status assigned to it.
  Element Documentation:
--
  |**Name**|**Type**|**Documentation**
  |com:Annotations|com:AnnotationsType|Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -434,20 +434,16 @@
  **//SeriesType//: **SeriesType is the abstract type which defines a structure which is used to group a collection of observations which have a key in common. The key for a series is every dimension defined in the data structure definition, save the dimension declared to be at the observation level for this data set. In addition to observations, values can be provided for attributes which are associated with the dimensions which make up this series key (so long as the attributes do not specify a group attachment or also have an relationship with the observation dimension). It is possible for the series to contain only observations or only attribute values, or both. Data structure definition schemas will drive a type based on this that is specific to the data structure definition and the variation of the format being expressed in the schema. Both the dimension values which make up the key and the attribute values associated with the key dimensions will be represented with XML attributes. This is specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived series type will refine this structure so that the attributes are explicit. The XML attributes will be given a name based on the attribute's identifier. These XML attributes will be unqualified (meaning they do not have a namespace associated with them). The dimension XML attributes will be required while the attribute XML attributes will be optional. To allow for generic processing, it is required that the only unqualified XML attributes in the derived group type be for the series dimensions and attributes declared in the data structure definition. If additional attributes are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a data structure definition dimension or attribute.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //SeriesType//
  Attributes:
--
  TIME_PERIOD?, REPORTING_YEAR_START_DAY?
  Content:
--
  com:Annotations?, Obs*
  Attribute Documentation:
--
  (% style="width:1002.29px" %)
  |**Name**|**Type**|(% style="width:533px" %)**Documentation**
  |TIME_PERIOD|com: ObservationalTimePer iodType|(% style="width:533px" %)The TIME_PERIOD attribute is an explict attribute for the time dimension. This is declared in the base schema since it has a fixed identifier and representation. The derived series type will either require or prohibit this attribute, depending on whether time is the observation dimension. If the time dimension specifies a more specific representation of time the derived type will restrict the type definition to the appropriate type.
@@ -454,7 +454,6 @@
  |REPORTING_YEAR_START_DAY|xs:gMonthDay|(% style="width:533px" %)The REPORTING_YEAR_START_DAY attribute is an explict attribute for the reporting year start day, which provides context to the time dimension when its value contains a reporting period (e.g. 2010-Q1). This attribute is used to state the month and day that the reporting year begins (e.g. ~-~-07-01 for July 1st). In the absence of an explicit value provided in this attribute, all reporting period values will be assumed to be based on a reporting year start day of January 1. This is declared in the base schema since it has a fixed identifier and representation. The derived series type may either require or prohibit this attribute, depending on whether the data structure declared the reporting year start day attribute and if so, the attribute relationship and assignment status assigned to it.
  Element Documentation:
--
  |**Name**|**Type**|**Documentation**
  |com:Annotations|com:AnnotationsType|Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
  |Obs|//ObsType//|
@@ -462,20 +462,16 @@
  **//ObsType//: **ObsType is the abstract type which defines the structure of a grouped or un-grouped observation. The observation must be provided a key, which is either a value for the dimension which is declared to be at the observation level if the observation is grouped, or a full set of values for all dimensions in the data structure definition if the observation is un-grouped. This key should disambiguate the observation within the context in which it is defined (e.g. there should not be another observation with the same dimension value in a series). The observation can contain an observed value and/or attribute values. Data structure definition schemas will drive a type or types based on this that is specific to the data structure definition and the variation of the format being expressed in the schema. The dimension value(s) which make up the key and the attribute values associated with the key dimension(s) or the primary measure will be represented with XML attributes. This is specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived observation type will refine this structure so that the attributes are explicit. The XML attributes will be given a name based on the attribute's identifier. These XML attributes will be unqualified (meaning they do not have a namespace associated with them). The dimension XML attribute(s) will be required while the attribute XML attributes will be optional. To allow for generic processing, it is required that the only unqualified XML attributes in the derived observation type be for the observation dimension(s) and attributes declared in the data structure definition. If additional attributes are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a data structure definition dimension or attribute. If the data structure definition specific schema requires that explicit measures be used (only possible when the measure dimension is specified at the observation), then there will be types derived for each measure defined by the measure dimension. In this case, the types will be specific to each measure, which is to say that the representation of the primary measure (i.e. the observed value) will be restricted to that which is specified by the specific measure.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //ObsType//
  Attributes:
--
  type?, TIME_PERIOD?, REPORTING_YEAR_START_DAY?, OBS_VALUE?
  Content:
--
  com:Annotations?
  Attribute Documentation:
--
  (% style="width:1014.29px" %)
  |**Name**|**Type**|(% style="width:505px" %)**Documentation**
  |type|com:IDType|(% style="width:505px" %)The type attribute is used when the derived format requires that explicit measure be used. In this case, the derived type based on the measure will fix this value to be the identification of the measure concept. This will not be required, but since it is fixed it will be available in the post validation information set which will allow for generic processing of the data. If explicit measures are not used, then the derived type will prohibit the use of this attribute.
@@ -484,7 +484,6 @@
  |OBS_VALUE|xs:anySimpleType|(% style="width:505px" %)The OBS_VALUE attribute is an explicit attribute for the primary measure, which is intended to hold the value for the observation. This is declared in the base schema since it has a fixed identifier. This attribute is un-typed, since the representation of the observed value can vary widely. Derived types will restrict this to be a type based on the representation of the primary measure. In the case that an explicit measure is used, the derived type for a given measure might further restrict the type of the primary measure to be more specific to the core representation for the measure concept. Note that it is required that in the case of multiple measures being used, that the representation of the primary measure is broad enough to handle the various representations of the measure concepts.
  Element Documentation:
--
  |**Name**|**Type**|**Documentation**
  |com:Annotations|com:AnnotationsType|Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -491,21 +491,17 @@
  **//TimeSeriesDataSetType//: **TimeSeriesDataSetType is the abstract type which defines the base structure for any data structure definition specific time series based data set. A derived data set type will be created that is specific to a data structure definition. Unlike the base format, only one variation of this is allowed for a data structure definition. This variation is the time dimension as the observation dimension. Data is organised into a collection of time series. Because this derivation is achieved using restriction, data sets conforming to this type will inherently conform to the base data set structure as well. In fact, data structure specific here will be identical to data in the base data set when the time dimension is the observation dimension, even for the derived data set types. This means that the data contained in this structure can be processed in exactly the same manner as the base structure. The same rules for derivation as the base data set type apply to this specialized data set.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //DataSetType// (restriction)
  *** //TimeSeriesDataSetType//
  Attributes:
--
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?, dataScope, REPORTING_YEAR_START_DAY?
  Content:
--
  com:Annotations?, DataProvider?, Group*, Series*
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |(% style="width:213px" %)**Name**|(% style="width:274px" %)**Type**|(% style="width:461px" %)**Documentation**
  |(% style="width:213px" %)structureRef|(% style="width:274px" %)xs:IDREF|(% style="width:461px" %)The structureRef contains a reference to a structural specification in the header of a data or reference metadata message. The structural specification details which structure the data or reference metadata conforms to, as well as providing additional information such as how the data is structure (e.g. which dimension occurs at the observation level for a data set).
@@ -521,7 +521,6 @@
  |(% style="width:213px" %)REPORTING_YEAR_START_DAY|(% style="width:274px" %)xs:gMonthDay|(% style="width:461px" %)The REPORTING_YEAR_START_DAY attribute is an explict attribute for the reporting year start day, which provides context to the time dimension when its value contains a reporting period (e.g. 2010-Q1). This attribute is used to state the month and day that the reporting year begins (e.g. ~-~-07-01 for July 1st). In the absence of an explicit value provided in this attribute, all reporting period values will be assumed to be based on a reporting year start day of January 1. This is declared in the base schema since it has a fixed identifier and representation. The derived data set type may either require or prohibit this attribute, depending on whether the data structure declared the reporting year start day attribute and if so, the attribute relationship and assignment status assigned to it.
  Element Documentation:
--
  (% style="width:1007.29px" %)
  |**Name**|**Type**|(% style="width:632px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:632px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -532,27 +532,22 @@
  **TimeSeriesType: **TimeSeriesType defines an abstract structure which is used to group a collection of observations which have a key in common, organised by time. The key for a series is every dimension defined in the data structure definition, save the time dimension. In addition to observations, values can be provided for attributes which are associated with the dimensions which make up this series key (so long as the attributes do not specify a group attachment or also have an relationship with the time dimension). It is possible for the series to contain only observations or only attribute values, or both. The same rules for derivation as the base series type apply to this specialized series.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //SeriesType// (restriction)
  *** TimeSeriesType
  Attributes:
--
  REPORTING_YEAR_START_DAY?
  Content:
--
  com:Annotations?, Obs*
  Attribute Documentation:
--
  (% style="width:1004.29px" %)
  |**Name**|**Type**|(% style="width:617px" %)**Documentation**
  |REPORTING_YEAR_START_DAY|xs:gMonthDay|(% style="width:617px" %)The REPORTING_YEAR_START_DAY attribute is an explict attribute for the reporting year start day, which provides context to the time dimension when its value contains a reporting period (e.g. 2010-Q1). This attribute is used to state the month and day that the reporting year begins (e.g. ~-~-07-01 for July 1st). In the absence of an explicit value provided in this attribute, all reporting period values will be assumed to be based on a reporting year start day of January 1. This is declared in the base schema since it has a fixed identifier and representation. The derived series type may either require or prohibit this attribute, depending on whether the data structure declared the reporting year start day attribute and if so, the attribute relationship and assignment status assigned to it.
  Element Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:593px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:593px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -561,21 +561,17 @@
  **//TimeSeriesObsType//: **TimeSeriesObsType defines the abstract structure of a time series observation. The observation must be provided a value for the time dimension. This time value should disambiguate the observation within the series in which it is defined (i.e. there should not be another observation with the same time value). The observation can contain an observed value and/or attribute values. The same rules for derivation as the base observation type apply to this specialized observation.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //ObsType// (restriction)
  *** //TimeSeriesObsType//
  Attributes:
--
  TIME_PERIOD, REPORTING_YEAR_START_DAY?, OBS_VALUE?
  Content:
--
  com:Annotations?
  Attribute Documentation:
--
  (% style="width:1005.29px" %)
  |**Name**|**Type**|(% style="width:496px" %)**Documentation**
  |TIME_PERIOD|com: ObservationalTimePeriodType|(% style="width:496px" %)The TIME_PERIOD attribute is an explicit attribute for the time dimension. This is declared in the base schema since it has a fixed identifier and representation. Since this data is structured to be time series only, this attribute is always required. If the time dimension specifies a more specific representation of time the derived type will restrict the type definition to the appropriate type.
@@ -583,7 +583,6 @@
  |OBS_VALUE|xs:anySimpleType|(% style="width:496px" %)The OBS_VALUE attribute is an explicit attribute for the primary measure, which is intended to hold the value for the observation. This is declared in the base schema since it has a fixed identifier. This attribute is un-typed, since the representation of the observed value can vary widely. Derived types will restrict this to be a type based on the representation of the primary measure. In the case that an explicit measure is used, the derived type for a given measure might further restrict the type of the primary measure to be more specific to the core representation for the measure concept. Note that it is required that in the case of multiple measures being used, that the representation of the primary measure is broad enough to handle the various representations of the measure concepts.
  Element Documentation:
--
  (% style="width:1013.29px" %)
  |**Name**|**Type**|(% style="width:603px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:603px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -625,16 +625,13 @@
  **MetadataSetType: **MetadataSetType describes the structure for a metadata set, which contains a collection of reported metadata against a set of values for a given full or partial target identifier, as described in a metadata structure definition. The metadata set may contain reported metadata for multiple report structures defined in a metadata structure definition.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** MetadataSetType
  Attributes:
--
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?
  Content:
--
  com:Annotations?, com:Name*, DataProvider?, Report+
  Attribute Documentation:
@@ -652,7 +652,6 @@
  |publicationPeriod|com: ObservationalTimePeriodType|(% style="width:592px" %)The publicationPeriod specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force (i.e., "Q1 2005" if that is the time of publication for a data set published on a quarterly basis).
  Element Documentation:
--
  (% style="width:1006.29px" %)
  |**Name**|(% style="width:268px" %)**Type**|(% style="width:562px" %)**Documentation**
  |com:Annotations|(% style="width:268px" %)com:AnnotationsType|(% style="width:562px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -663,26 +663,21 @@
  **ReportType: **ReportType contains a set of report attributes and identifies a target objects] to which they apply.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** ReportType
  Attributes:
--
  id
  Content:
--
  com:Annotations?, Target, AttributeSet
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:788px" %)**Documentation**
  |id|com:IDType|(% style="width:788px" %)The id attribute holds the identifier of the report structure as defined in the metadata structure definition. This identifies the report structure which defines the structure of metadata that is being reported.
  Element Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:593px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:593px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -692,21 +692,17 @@
  **TargetType: **TargetType defines the structure of a target. It contains a set of target reference values which when taken together, identify the object or objects to which the reported metadata apply.
  Attributes:
--
  id
  Content:
--
  ReferenceValue+
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:805px" %)**Documentation**
  |id|com:IDType|(% style="width:805px" %)The id attribute holds the identifier of the metadata target as defined in the metadata structure definition. This identifies the metadata target of the report structure that identifies the target object(s) of the reported metadata.
  Element Documentation:
--
  (% style="width:1009.29px" %)
  |**Name**|**Type**|(% style="width:710px" %)**Documentation**
  |ReferenceValue|ReferenceValueType|(% style="width:710px" %)ReferenceValue contains a value for a target reference object reference. When this is taken with its sibling elements, they identify the object or objects to which the reported metadata apply. The content of this will either be a reference to an identifiable object, a data key, a reference to a data set, or a report period.
@@ -714,15 +714,12 @@
  **ReferenceValueType: **ReferenceValueType defines the structure of a target object reference value. A target reference value will either be a reference to an identifiable object, a data key, a reference to a data set, or a report period.
  Attributes:
--
  id
  Content:
--
  (ObjectReference | DataKey | DataSetReference | ConstraintContentReference | ReportPeriod)
  Attribute Documentation:
--
  (% style="width:1013.29px" %)
  |**Name**|**Type**|(% style="width:847px" %)**Documentation**
  |id|com:IDType|(% style="width:847px" %)The id attribute holds the identifier of the target reference object as defined in the metadata structure definition. This identifies the target reference of the metadata target that identifes one of the target references, that when taken together, identify the target of the reported metadata.
@@ -740,11 +740,9 @@
  **AttributeSetType: **AttributeSetType defines the structure for a collection of reported metadata attributes.
  Content:
--
  ReportedAttribute+
  Element Documentation:
--
  (% style="width:1023.29px" %)
  |(% style="width:150px" %)**Name**|(% style="width:202px" %)**Type**|(% style="width:668px" %)**Documentation**
  |(% style="width:150px" %)ReportedAttribute|(% style="width:202px" %)ReportedAttributeType|(% style="width:668px" %)ReportedAttribute provides the details of a reported attribute, including a value and/or child reported attributes.
@@ -752,20 +752,16 @@
  **ReportedAttributeType: **ReportedAttributeType defines the structure for a reported metadata attribute. A value for the attribute can be supplied as either a single value, or multi-lingual text values (either structured or unstructured). An optional set of child metadata attributes is also available if the metadata attribute definition defines nested metadata attributes.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** ReportedAttributeType
  Attributes:
--
  id, value?
  Content:
--
  com:Annotations?, (com:Text+ | com:StructuredText+)?, AttributeSet?
  Attribute Documentation:
--
  (% style="width:996.294px" %)
  |**Name**|(% style="width:170px" %)**Type**|(% style="width:657px" %)**Documentation**
  |id|(% style="width:170px" %)com:IDType|(% style="width:657px" %)The id attribute identifies the metadata attribute that the value is being reported for.
@@ -772,7 +772,6 @@
  |value|(% style="width:170px" %)xs:string|(% style="width:657px" %)The value attribute holds any simple value for the metadata attribute.
  Element Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:670px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:670px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -795,7 +795,6 @@
  |(% style="width:492px" %)http:~/~/www.w3.org/2001/XMLSchema|(% style="width:159px" %)xs
  Contents:
--
 Complex Types
  === 2.4.2 Complex Types ===
@@ -803,7 +803,6 @@
  **//MetadataSetType//: **MetadataSetType is an abstract base type the forms the basis for a metadata structure specific metadata set. It is restricted by the metadata structure definition specific schema to meet its needs.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //MetadataSetType//
@@ -812,11 +812,9 @@
  structureRef, setID?, action?, reportingBeginDate?, reportingEndDate?, validFromDate?, validToDate?, publicationYear?, publicationPeriod?
  Content:
--
  com:Annotations?, com:Name*, DataProvider?, Report+
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:607px" %)**Documentation**
  |structureRef|xs:IDREF|(% style="width:607px" %)The structureRef contains a reference to a structural specification in the header of a data or reference metadata message. The structural specification details which structure the data or reference metadata conforms to, as well as providing additional information such as how the data is structure (e.g. which dimension occurs at the observation level for a data set).
@@ -830,7 +830,6 @@
  |publicationPeriod|com: ObservationalTimePeriodType|(% style="width:607px" %)The publicationPeriod specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force (i.e., "Q1 2005" if that is the time of publication for a data set published on a quarterly basis).
  Element Documentation:
--
  (% style="width:1006.29px" %)
  |**Name**|**Type**|(% style="width:631px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:631px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -841,26 +841,21 @@
  **//ReportType//: **ReportType is an abstract base type the forms the basis for a metadata structure definition specific report, based on the defined report structures. This type is restricted in the metadata structure definition specific schema so that the Target and AttributeSet conform to the prescribed report structure.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //ReportType//
  Attributes:
--
  id?
  Content:
--
  com:Annotations?, Target, AttributeSet
  Attribute Documentation:
--
  (% style="width:1003.29px" %)
  |**Name**|**Type**|(% style="width:837px" %)**Documentation**
  |id|com:IDType|(% style="width:837px" %)The id attribute holds the identifier of the report structure as defined in the metadata structure definition. This identifies the report structure which defines the structure of metadata that is being reported. This is optional and not expected to be supplied as the metadata structure definition specific schema will specify a fixed value such that the reference to the report structure will always be available if required for processing.
  Element Documentation:
--
  (% style="width:1005.29px" %)
  |**Name**|**Type**|(% style="width:695px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:695px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -870,21 +870,17 @@
  **//TargetType//: **TargetType is an abstract base type that forms the basis of a the metadata report's metadata target value. This type is restricted in the metadata structure definition specific schema so that the ReferenceValue elements conform to the targets specified in the metadata target defined in the metadata structure definition.
  Attributes:
--
  id?
  Content:
--
  ReferenceValue+
  Attribute Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:833px" %)**Documentation**
  |id|com:IDType|(% style="width:833px" %)The id attribute holds the identifier of the metadata target as defined in the metadata structure definition. This identifies the metadata target of the report structure that identifies the target object(s) of the reported metadata. This is optional and not expected to be supplied as the metadata structure definition specific schema will specify a fixed value such that the reference to the metadata target will always be available if required for processing.
  Element Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:700px" %)**Documentation**
  |ReferenceValue|//ReferenceValueType//|(% style="width:700px" %)ReferenceValue contains a value for a target reference. When this is taken with its sibling elements, they identify the object or objects to which the reported metadata apply. The content of this will either be a reference to an identifiable object, a data key, a reference to a data set, or a report period. This element is unqualified so that the metadata structure definition specific schema can refine the type of the element such that value can be validated against the format defined in the metadata structure definition.
@@ -892,21 +892,17 @@
  **//ReferenceValueType//: **ReferenceValueType is an abstract base type that forms the basis of a target reference value. A target reference value will either be a reference to an identifiable object, a data key, a reference to a data set, or a report period. The choice of these options will be refined to only one according to the definition of the target in the metadata structure definition.
  Attributes:
--
  id?
  Content:
--
  (ObjectReference | DataKey | DataSetReference | ConstraintContentReference | ReportPeriod)
  Attribute Documentation:
--
  (% style="width:1013.29px" %)
  |**Name**|**Type**|(% style="width:847px" %)**Documentation**
  |id|com:IDType|(% style="width:847px" %)The id attribute holds the identifier of the target reference object reference as defined in the metadata structure definition. This identifies the target reference of the metadata target that identifes one of the target references, that when taken together, identify the target of the reported metadata. This is optional and not expected to be supplied as the metadata structure definition specific schema will specify a fixed value such that the reference to the target object definition will always be available if required for processing.
  Element Documentation:
--
  (% style="width:1000.29px" %)
  |**Name**|**Type**|(% style="width:563px" %)**Documentation**
  |ObjectReference|//com:ReferenceType//|(% style="width:563px" %)ObjectReference provides a reference to an identifiable object in the SDMX information model. An identifiable object target will utilize this option as the representation of the target reference value. This element is unqualified so that the metadata structure definition specific schema can refine the type of the element such that the type of reference is valid according to the object type specified in the identifiable object target in the metadata structure definition. At the very least, the reference will be specific to the type of object being referenced so that a complete set of reference fields must be provided. In cases where an item object is restricted to be from a particular scheme, this type will be further restricted so that only a valid item reference can be supplied. The structure of this reference is such that it can be generically processed without needing to know what the intended target object type is prior to processing, as this information is part of the reference.
@@ -918,20 +918,16 @@
  **//ReportedAttributeType//: **ReportedAttributeType is an abstract base type that forms the basis for a metadata structure specific metadata attribute. A value for the attribute can be supplied as either a single value, or multi-lingual text values (either structured or unstructured). An optional set of child metadata attributes is also available if the metadata attribute definition defines nested metadata attributes. The metadata structure definition specific schema will refine this type for each metadata attribute such that the content can be validation against what is defined in the metadata structure definition.
  Derivation:
--
  * //com:AnnotableType// (extension)
  ** //ReportedAttributeType//
  Attributes:
--
  id?, value?, isMetadataAttribute?
  Content:
--
  com:Annotations?, (com:Text+ | com:StructuredText+)?, AttributeSet?
  Attribute Documentation:
--
  (% style="width:999.294px" %)
  |**Name**|**Type**|(% style="width:660px" %)**Documentation**
  |id|com:IDType|(% style="width:660px" %)The id attribute identifies the metadata attribute that the value is being reported for. This is optional and not expected to be supplied as the metadata structure definition specific schema will specify a fixed value such that the reference to the metadata attribute will always be available if required for processing.
@@ -939,7 +939,6 @@
  |isMetadataAttribute (fixed: true)|xs:boolean|(% style="width:660px" %)The isMetadataAttribute attribute is a fixed boolean (true) and is intended to designate to processing applications that a given element represents a reported attribute. This attribute is qualified (meaning that it will be qualified in an instance with the target namespace) to ensure that it can be properly identified by applications. The purpose of this is to allow applications to identify elements with unknown names as reported attributes so that they may process a metadata structure definition specific instance without knowledge of the underlying metadata structure definition.
  Element Documentation:
--
  (% style="width:997.294px" %)
  |**Name**|**Type**|(% style="width:668px" %)**Documentation**
  |com:Annotations|com:AnnotationsType|(% style="width:668px" %)Annotations is a reusable element the provides for a collection of annotations. It has been made global so that restrictions of types that extend AnnotatableType my reference it.
@@ -1057,7 +1057,6 @@
  > </xs:annotation>
  > </xs:enumeration>
--
  === 3.3.5 Representation with Text Format ===
  A representation which defines a text format will result in a simple type or primitive type. The first step is to determine the base type from the text format data type:
@@ -1157,7 +1157,6 @@
  A complex type named DataSetType must be created. Its content model will be derived via restriction. If the dimension at the observation level is the time dimension (TIME_PERIOD) the base type of the restriction is dsd:TimeSeriesDataSetType. Otherwise, the base type of the restriction is dsd:DataSetType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
  * b. A local element named DataProvider with the type common:DataProviderReferenceType, a form of unqualified and a minimum occurrence of 0
  * c. If the data structure defines groups, a local element named Group with a form of unqualified, a minimum occurrence of 0, and a maximum occurrence of unbounded. The type of this element should be the type that is described in the GroupType section which follows.
@@ -1164,9 +1164,7 @@
  * d. A choice with a minimum occurrence of 0 consisting of:
  ** i. If the dimension at the observation level is not AllDimensions, a local element named Series with a form of unqualified, a maximum occurrence of unbounded, and a type of SeriesType (as defined in the SeriesType section which follows)
  ** ii. If the dimension at the observation level is AllDimensions, a local element named Obs with a form of unqualified, a maximum occurrence of unbounded, and a type of ObsType (as defined in the ObsType section which follows)
--
 . If the reporting year start day attribute is not declared in the data structure definition or if it is declared but does not declare an attribute relationship of None, an attribute named REPORTING_YEAR_START_DAY with a type of xs:gMonthDay and a usage of prohibited
--
 . An attribute for each attribute defined in the data structured definition that declares an attribute relationship of None. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional
  === 3.4.2 GroupType ===
@@ -1174,25 +1174,17 @@
  If the data structure definition defines only one group, a complex type with its name taken from the identifier of the lone group must be defined. This type is used for the Group element in the DataSetType. Its content model will be derived via restriction of the dsd:GroupType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . An attribute for each dimension referenced by the group. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
--
 . If the reporting year start day attribute is not declared in the data structure definition or if it is declared but does not declare an attribute relationship with the group and does not specify the group as an attachment group, an attribute named REPORTING_YEAR_START_DAY with a type of xs:gMonthDay and a usage of prohibited
--
 . An attribute for each attribute defined in the data structure that declares an attribute relationship with the group or specifies the group as an attachment group. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional
--
 . An attribute named type with a type of common:IDType, usage of optional, and a fixed value of the identifier of the group
  If the data structure definitions defines more than one group, an abstract complex type with name GroupType must be created. This type is used for the Group element in the DataSetType. Its content model will be derived via restriction of the dsd:GroupType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . An attribute named type with a type of Group.ID, and a usage of optional
--
 . An anyAttribute declaration with a namespace of ~#~#local
  A simple type named Group.ID must be created. This should restrict the common:IDType. For each group defined by the data structure definition, an enumeration will be created within the restriction with a value of the group identifier.
@@ -1200,15 +1200,10 @@
  For each group defined in the data structure definition, a complex type with its name taken from the group identifier is defined. Its content model will be derived via restriction of the previously defined GroupType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . An attribute for each dimension referenced by the group. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
--
 . If the reporting year start day attribute is not declared in the data structure definition or if it is declared but does not declare an attribute relationship with the group and does not specify the group as an attachment group, an attribute named REPORTING_YEAR_START_DAY with a type of xs:gMonthDay and a usage of prohibited
--
 . An attribute for each attribute defined in the data structure that declares an attribute relationship with the group or specifies the group as an attachment group. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional
--
 . An attribute named type with a type of Group.ID, usage of optional, and a fixed value of the identifier of the group
  === 3.4.3 SeriesType ===
@@ -1216,15 +1216,10 @@
  If the dimension at the observation is not AllDimensions, a complex type name SeriesType must be created. Its content model will be derived via restriction. If the dimension at the observation level is the time dimension (TIME_PERIOD) the base type of the restriction is dsd:TimeSeriesType. Otherwise, the base type of the restriction is dsd:SeriesType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . A local element named Obs with a form of unqualified, a minimum occurrence of 0, a maximum occurrence of unbounded, and a type of ObsType (as defined in the ObsType section which follows)
--
 . An attribute for each dimension defined by the data structure definition, except for the dimension at the observation level. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
--
 . If the reporting year start day attribute is not declared in the data structure definition or if it is declared and declares an attribute relationship of None, or with a group, or the dimension at the observation level, or specifies a group as an attachment group, an attribute named REPORTING_YEAR_START_DAY with a type of xs:gMonthDay and a usage of prohibited
--
 . An attribute for each attribute defined in the data structure that declares an attribute relationship with any dimension outside of the dimension at the observation level (so long as it does not also declare an attachment group). The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional.
  === 3.4.4 ObsType ===
@@ -1232,15 +1232,10 @@
  A complex type name ObsType must be created. Its content model will be derived via restriction. If the dimension at the observation level is the time dimension (TIME_PERIOD) the base type of the restriction is dsd:TimeSeriesObsType. Otherwise, the base type of the restriction is dsd:ObsType. If the explicit measure option is used, this complex type must be abstract. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . If the dimension at the observation level is not the time dimension (TIME_PERIOD) an attribute named TIME_PERIOD with a type of common:TimePeriodType and a usage of prohibited
--
 . If the dimension at the observation level is not the time dimension (TIME_PERIOD) an attribute for the dimension at the observation level. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
--
 . An attribute for the primary measure (OBS_VALUE) defined by the data structure definition. The XML attribute name and type is defined according to the general rules defined in the previous section, and the usage is optional
--
 . An attribute for each attribute defined in the data structure that declares an attribute relationship with the dimension at the observation level or the primary measure (OBS_VALUE). The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional
  An attribute named type. If the explicit measure option is not used, this attribute must have a type of common:IDType and a usage of prohibited. If the explicit measure option is used, this attribute must have a type of the simple type generated for the representation of the measure dimension that is the dimension at the observation level (this will be an simple type with enumerations with values of the concept identifiers which make up the concept scheme that is the representation of the measure dimension) a and a usage of optional
@@ -1248,9 +1248,7 @@
  If the explicit measure option is used, then complex type must be created for every concept which make up the representation of the measure dimension which is the dimension at the observation level. The name of this complex type will be taken from the identifier of the concept. Its content model will be derived via restriction of the ObsType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
--
 . If the core representation of the Concept differs from that of the primary measure, an attribute for the primary measure (OBS_VALUE) defined by the data structure definition, except for the dimension at the observation level. The XML name is defined according to the general rules defined in the previous section, and the usage is optional. The type of the attribute is the type that is generated for the core representation of the measure concept. Note that this representation type must have an explicit derivation from the type resulting from the primary measure. For example, if the primary measure type is xyz:CodeType, then the simple type which is defined for the core representation of the concept must restrict xyz:CodeType or one another type which restricts it
 . An attribute named type with a type of the simple type generated for the representation of the measure dimension that is the dimension at the observation level, a usage of optional, and a fixed value of the concept identifier.
@@ -1266,7 +1266,6 @@
  A complex type that must be named MetadataSetType must be created. Its content model will be derived via restriction of the base type, msd:MetadataSetType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
  * b. An element reference to common:Name, with a minimum occurrence of 0 and a maximum occurrence of unbounded
  * c. A local element named DataProvider with the type common:DataProviderReferenceType, a form of unqualified and a minimum occurrence of 0
@@ -1277,9 +1277,7 @@
  An abstract complex type with a recommended name of TargetType must be created. Its content model will be derived via restriction of the msd:TargetType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. A local element named ReferenceValue with a type of msd:ReferenceValueType, a form of unqualified, and a maximum occurrence of unbounded
--
 . An attribute named id with a type of Target.ID, and a usage of optional
  A simple type with a recommended name of Target.ID must be created. This should restrict the common:IDType. For each report structure defined by the metadata structure definition, an enumeration will be created within the restriction with a value of the report structure identifier.
@@ -1289,36 +1289,30 @@
  An abstract complex type with a recommended name of [metadata target identifier].ReferenceValueType will be created. Its content model will be derived via restriction of the msd:ReferenceValueType. The complex type content model will be as follows:
  ~1. A choice consisting of:
--
  * a. A local element named ObjectReference with a type of common:ReferenceType, and a form of unqualified
  * b. A local element named DataKey with a type of common:DataKeyType, and a form of unqualified
  * c. A local element named DataSetReference with a type of common:SetReferenceType, and a form of unqualified
  * d. A local element named ReportPeriod with a type of common:ObservationalTimePeriodType, and a form of unqualified
--
 . An attribute named id with the type defined previously as [metadata target identifier].TargetObject.ID, and a usage of optional
  For each metadata target defined in the metadata structure definition, a content group with a recommended name of [metadata target identifier] with be defined. Its content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. A local element named ReferenceValue with the type previously defined as [metadata target identifier].ReferenceValueType, a form of unqualified, and a minimum and maximum occurrence of the number of target objects defined within the metadata target
  For each target object defined by the metadata target, a complex type that must be named [metadata target identifier].[target object identifier] must be created. Its content model will be derived via restriction of the type previously created as [metadata target identifier].ReferenceValueType type created prior to this. The complex type content model will be as follows:
  ~1. A choice consisting of:
--
  * a. If the target object is an identifiable object target, a local element named ObjectReference with a type determined as defined in Identifiable Object Target Type Determination:
  * b. If the target object is an key descriptor values target, a local element named DataKey with a type of common:DataKeyType, and a form of unqualified
  * c. If the target object is a data set target, a local element named DataSetReference with a type of common:SetReferenceType, and a form of unqualified
  * d. If the target object is a constraint target, a local element named ConstraintReference with a type of common:AttachmentConstraintReferenceType, and a form of unqualified
  * e. If the target object is report period target, a local element named ReportPeriod with a form of unqualified, and a [[type>>path:#_Simple_/_Primitive]] as defined based on the data type of the local representation according to the general rules defined in the previous section
--
 . An attribute named id with a type previously created as [metadata target identifier].TargetObject.ID, a usage of optional, and fixed value of the target object identifier
  The final complex type (which will be the determined type) is derived by restriction from the reference type determined above. The suggested name of this type is [metadata target identifier].[target object identifier].Reference. The content model of this type will be as follows:
  ~1. A choice consisting of:
--
  * a. A sequence consisting of
  ** i. A local element named Ref, with a form of unqualified and a the type defined above as is [metadata target].[target object].Ref
  ** ii. A local element named URN, with a form of unqualified, a minimum occurrence of 0, and the type defined above as [item scheme agency].[item scheme identifier].[item scheme version].URN
@@ -1350,11 +1350,9 @@
  An abstract complex type with a recommended name of ReportType must be created. Its content model will be derived via restriction of the msd:ReportType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
  * b. A local element named Target with the type previously defined as TargetType and a form of unqualified
  * c. A local element named AttributeSet with no type assigned and a form of unqualified
--
 . An attribute named id with a type previously defined as Report.ID, and a usage of optional
  For each report structure defined in the metadata structure definition, a complex type with its name taken from the report structure identifier must be defined. In order to construct this type, some other complex type must be defined first.
@@ -1364,9 +1364,7 @@
  An abstract complex type must be create, with a recommended name of [report structure identifier].TargetType. Its content model will be derived by restriction of the type previously created as TargetType. The content model of this type must be as follows:
  ~1. A sequence consisting of:
--
  * a. A local element named ReferenceValue with a type of msd:ReferenceValueType, a form of unqualified, and a maximum occurrence of unbounded
--
 . An attribute named id with the type previously created as [report structure identifier].Target.ID, and a use of optional
  For each metadata target referenced from the report structure, a complex type that must be named [report structure identifier].[metadata target identifier] must be created. This type must derived its content by restriction of the type previously defined as [report structure identifier].TargetType. The content model is as follows:
@@ -1377,14 +1377,11 @@
  For every metadata attribute defined by the report structure a complex type must be created with the recommended name of [report structure identifier].[nested metadata attribute identifier]. Note that the recommend name assumes the metadata attribute identifier is the nested identifier for the full hierarchy in which the metadata attribute was defined. This content model of this type is derived from restriction of the msd:ReportedAttributeType. The content of this must consists be as follows:
  ~1. A sequence consisting of:
--
  a. An element reference to common:Annotations, with a minimum occurrence of 0
--
  * a. If the isPresentational flag is not set to true:
  * b. If the determined representation has data type of XHTML, an element reference to common:StructuredText with a maximum occurrence of unbounded
  ** i. If the determined representation has is not XHTML, but has a facet of isMultiLinguale, an element reference to common: Text with a maximum occurrence of unbounded
  ** ii. If the metadata attribute defines which child metadata attributes, a local element named AttributeSet with a form of unqualified, and a type as defined according to the rules defined in Attribute Set Complex Type Creation
--
 . An attribute named id with a type of common:IDType, a use of optional, and a fixed value of [metadata attribute identifier], where this identifier is not nested
  If the isPresentational flag is not set to true, and the determined representation is not XHTML and does not have a facet of isMultiLingual, an attribute named value where the [[type>>path:#_Simple_/_Primitive]] is defined according to the general rules defined in the previous section, and the use is required
@@ -1392,13 +1392,11 @@
  For each report structure defined in the metadata structure, a complex type that must be named [report structure identifier] must be created. Its content model will be derived via restriction of the previously defined ReportType. The complex type content model will be as follows:
  ~1. A sequence consisting of:
--
  * a. An element reference to common:Annotations, with a minimum occurrence of 0
  * b. A local element named Target with the type previously defined as [report structure identifier].TargetType, and a form of unqualified. This element must define a uniqueness constraint with a recommended name of [report structure identifier].Target.ReferenceValue.Unique. This uniqueness constraint must contain:
  ** i. A selector with an xpath of "*"
  ** ii. A field with an xpath of "@id"
  * c. A local element named AttributeSet with a form of unqualified and a type as defined according to the rules defined in Attribute Set Complex Type Creation
--
 . An attribute named id with the type previously defined as Report.ID, a use of optional, and a fixed value of [report structure identifier]
  ==== 3.5.3.1 Attribute Set Complex Type Creation ====
@@ -1406,7 +1406,6 @@
  An attribute set is created for a report structure or a metadata attribute which contains child metadata attributes. This type is a complex type with a recommend name of [report structure identifier].[nested metadata attribute identifier].AttributeSet, where the metadata attribute section only applies to attribute sets created for metadata attributes and is assumed to consist of the full hierarchy of the metadata attribute's definition. This complex type must consists of:
  ~1. A sequence consisting of:
--
  * a. A local element for each metadata attribute defined as a direct child of the object for which the attribute set is being created. The recommended name of this element is [metadata attribute identifier] and it has a form of unqualified. If the metadata attribute defines a minOccurs and maxOccurs, these values are translated to this element. The type of this element is the type previously created as [report structure identifier].[nested metadata attribute identifier].
  = 4. Special data functions =