Changes for page Part IV. Data and Reference Metadata Namespaces
Last modified by Elena on 2025/09/10 11:19
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... ... @@ -425,56 +425,57 @@ 425 425 426 426 === 3.3.1 Component Name Determination === 427 427 428 -When required to create an XML element or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]], the name for a[[component>>doc:sdmx:Glossary.Component.WebHome]]is always its identifier. However, the identifier may be inherited. Therefore, the general rules are as follows:428 +When required to create an XML element or attribute, the name for a component is always its identifier. However, the identifier may be inherited. Therefore, the general rules are as follows: 429 429 430 -1. If the [[component>>doc:sdmx:Glossary.Component.WebHome]]defines an identifier, the element or[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]name is the value of that identifier431 -2. Otherwise, the element or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]name is the identifier of the(% style="color:#e74c3c" %)concept(%%)from which it takes its semantic (Note that this is technically the[[component>>doc:sdmx:Glossary.Component.WebHome]]identifier).430 +1. If the component defines an identifier, the element or attribute name is the value of that identifier 431 +2. Otherwise, the element or attribute name is the identifier of the concept from which it takes its semantic (Note that this is technically the component identifier). 432 432 433 433 === 3.3.2 Representation Determination === 434 434 435 -Every [[component>>doc:sdmx:Glossary.Component.WebHome]]has a[[representation>>doc:sdmx:Glossary.Representation.WebHome]]associated with it, whether it is defined as a local[[representation>>doc:sdmx:Glossary.Representation.WebHome]]in the[[component>>doc:sdmx:Glossary.Component.WebHome]]definition, or it is inherited from the(% style="color:#e74c3c" %)concept(%%)from which the[[component>>doc:sdmx:Glossary.Component.WebHome]]takes it semantic (as defined in the(% style="color:#e74c3c" %)concept(%%)identity of the[[component>>doc:sdmx:Glossary.Component.WebHome]]).435 +Every component has a representation associated with it, whether it is defined as a local representation in the component definition, or it is inherited from the concept from which the component takes it semantic (as defined in the concept identity of the component). 436 436 437 -The [[representation>>doc:sdmx:Glossary.Representation.WebHome]]of a[[component>>doc:sdmx:Glossary.Component.WebHome]]is determined by the following precedence:437 +The representation of a component is determined by the following precedence: 438 438 439 -1. The local [[representation>>doc:sdmx:Glossary.Representation.WebHome]]defined by the[[component>>doc:sdmx:Glossary.Component.WebHome]]440 -1. The core [[representation>>doc:sdmx:Glossary.Representation.WebHome]]defined in the(% style="color:#e74c3c" %)concept(%%)from which the[[component>>doc:sdmx:Glossary.Component.WebHome]]takes its semantic441 -1. A default [[representation>>doc:sdmx:Glossary.Representation.WebHome]]of an un-faceted text format with a data type of String.439 +1. The local representation defined by the component 440 +1. The core representation defined in the concept from which the component takes its semantic 441 +1. A default representation of an un-faceted text format with a data type of String. 442 442 443 -The [[representation>>doc:sdmx:Glossary.Representation.WebHome]]will either define a text format, an enumeration with an enumeration format, or a union of the former with the value of a irrelevant[[representation>>doc:sdmx:Glossary.Representation.WebHome]]‘’ (tilde).443 +The representation will either define a text format, an enumeration with an enumeration format, or a union of the former with the value of a irrelevant representation ‘’ (tilde). 444 444 445 -A text format consists of a data type and an optional collection of [[facets>>doc:sdmx:Glossary.Facet.WebHome]].It is the combination of these which determine the exact nature of the[[component>>doc:sdmx:Glossary.Component.WebHome]][[representation>>doc:sdmx:Glossary.Representation.WebHome]].An enumeration consists of a reference to a[[codelist>>doc:sdmx:Glossary.Code list.WebHome]],[[hierarchy>>doc:sdmx:Glossary.Hierarchy.WebHome]], or value list, for which an enumerated list of possible values can be created.445 +A text format consists of a data type and an optional collection of facets. It is the combination of these which determine the exact nature of the component representation. An enumeration consists of a reference to a codelist, hierarchy, or value list, for which an enumerated list of possible values can be created. 446 446 447 447 === 3.3.3 Simple / Primitive Type Determination === 448 448 449 -For any given [[representation>>doc:sdmx:Glossary.Representation.WebHome]], there exist rules for determining the simple or primitive type which should be used to validate the value. There are no specific requirements to how a simple type is named or if it is referenced or used as an anonymous type. This section simply serves to state the requirements of the type for a[[component>>doc:sdmx:Glossary.Component.WebHome]]based on its [determined[[representation>>doc:sdmx:Glossary.Representation.WebHome]]](#332-[[Representation>>doc:sdmx:Glossary.Representation.WebHome]]-Determination).449 +For any given representation, there exist rules for determining the simple or primitive type which should be used to validate the value. There are no specific requirements to how a simple type is named or if it is referenced or used as an anonymous type. This section simply serves to state the requirements of the type for a component based on its [determined representation](#332-Representation-Determination). 450 450 451 -For example, a [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]]may inherit its[[representation>>doc:sdmx:Glossary.Representation.WebHome]]for a(% style="color:#e74c3c" %)concept(%%), and the data type of a[[representation>>doc:sdmx:Glossary.Representation.WebHome]]data type may be a String. The simplest solution would be to use the xs:string primitive type. However, an implementer may have chosen to generate simple types for all(% style="color:#e74c3c" %)concepts(%%)to avoid having to look up the(% style="color:#e74c3c" %)concept(%%)core[[representation>>doc:sdmx:Glossary.Representation.WebHome]]for very[[component>>doc:sdmx:Glossary.Component.WebHome]].In this case, the type may be given a name based on the(% style="color:#e74c3c" %)concept(%%)and be a simple derivation from the xs:string type that places no further restrictions. The result would be that the type that is actually used for the[[dimension>>doc:sdmx:Glossary.Dimension.WebHome]], although named after the(% style="color:#e74c3c" %)concept(%%), is effectively the required xs:string. These rules are meant to allow such flexibility in how types are created. The only requirement is that the type meet the requirements stated here.451 +For example, a dimension may inherit its representation for a concept, and the data type of a representation data type may be a String. The simplest solution would be to use the xs:string primitive type. However, an implementer may have chosen to generate simple types for all concepts to avoid having to look up the concept core representation for very component. In this case, the type may be given a name based on the concept and be a simple derivation from the xs:string type that places no further restrictions. The result would be that the type that is actually used for the dimension, although named after the concept, is effectively the required xs:string. These rules are meant to allow such flexibility in how types are created. The only requirement is that the type meet the requirements stated here. 452 452 453 453 === 3.3.4 Representation with Codelist Enumeration === 454 454 455 -A [[representation>>doc:sdmx:Glossary.Representation.WebHome]]which defines an enumeration from a[[codelist>>doc:sdmx:Glossary.Codelist.WebHome]] or[[hierarchy>>doc:sdmx:Glossary.Hierarchy.WebHome]]will result in a simple type that is a restriction of the common:IDType. The simple type will define enumerations for each[[code>>doc:sdmx:Glossary.Code.WebHome]]in the[[codelist>>doc:sdmx:Glossary.Codelist.WebHome]] or[[hierarchy>>doc:sdmx:Glossary.Hierarchy.WebHome]], accounting for extensions. The value for these enumerations will be identifier of the item. If desired, the names of the item may be placed in the documentation of the enumeration, but this is not required. Example:455 +A representation which defines an enumeration from a codelist or hierarchy will result in a simple type that is a restriction of the common:IDType. The simple type will define enumerations for each code in the codelist or hierarchy, accounting for extensions. The value for these enumerations will be identifier of the item. If desired, the names of the item may be placed in the documentation of the enumeration, but this is not required. Example: 456 456 457 -> <xs:simpleType name="ESTAT.CL\_COUNTRY.1.0"> 458 -> <xs:restriction base="common:IDType"> 459 -> <xs:enumeration value="BE"> 460 -> <xs:annotation> 461 -> <xs:documentation xml:lang="en">Belgium</xs:documentation> 462 -> </xs:annotation> 463 -> </xs:enumeration> 457 +xml 458 + <xs:simpleType name="ESTAT.CL\_COUNTRY.1.0"> 459 + <xs:restriction base="common:IDType"> 460 + <xs:enumeration value="BE"> 461 + <xs:annotation> 462 + <xs:documentation xml:lang="en">Belgium</xs:documentation> 463 + </xs:annotation> 464 + </xs:enumeration> 464 464 465 465 === 3.3.5 Representation with Value List Enumeration === 466 466 467 -A [[representation>>doc:sdmx:Glossary.Representation.WebHome]]which defines an enumeration from a value list will result in a simple type that is a restriction of the xs:string data type. The simple type will define enumerations for each value item in the value list. The value for these enumerations will be identifier of the item. If desired, the names of the item may be placed in the documentation of the enumeration, but this is not required.468 +A representation which defines an enumeration from a value list will result in a simple type that is a restriction of the xs:string data type. The simple type will define enumerations for each value item in the value list. The value for these enumerations will be identifier of the item. If desired, the names of the item may be placed in the documentation of the enumeration, but this is not required. 468 468 469 469 === 3.3.6 Representation with Simple Text Format === 470 470 471 -A [[representation>>doc:sdmx:Glossary.Representation.WebHome]]which defines a simple text format will result in a simple type or primitive type. The[[representation>>doc:sdmx:Glossary.Representation.WebHome]]is simple if none of the following conditions are true:472 +A representation which defines a simple text format will result in a simple type or primitive type. The representation is simple if none of the following conditions are true: 472 472 473 -* [[representation>>doc:sdmx:Glossary.Representation.WebHome]]max occurs is greater than 1474 +* representation max occurs is greater than 1 474 474 * text format data type is XHMTL 475 475 * text format is multi-lingual 476 476 477 -If the [[representation>>doc:sdmx:Glossary.Representation.WebHome]]is not simple, see the rules in the following section for complex text formats. If the[[representation>>doc:sdmx:Glossary.Representation.WebHome]]is simple, the first step is to determine the base type from the text format data type:478 +If the representation is not simple, see the rules in the following section for complex text formats. If the representation is simple, the first step is to determine the base type from the text format data type: 478 478 479 479 (% style="width:679.294px" %) 480 480 |(% style="width:286px" %)**SDMX Data Type**|(% style="width:390px" %)**XML Schema Data Type** ... ... @@ -520,7 +520,7 @@ 520 520 |(% style="width:286px" %)GeospatialInformation|(% style="width:390px" %)xs:string 521 521 |(% style="width:286px" %)XHTML|(% style="width:390px" %)See the following section for complex representations 522 522 523 -If the text format does not specify any further [[facets>>doc:sdmx:Glossary.Facet.WebHome]], then the determined type is the listed type or a type which derives from the listed type without placing any addition restrictions on it. However, if one or more[[facets>>doc:sdmx:Glossary.Facet.WebHome]]are specified, then a simple type based on the listed type is necessary. The simple type derives via restriction from the listed type and adds[[facets>>doc:sdmx:Glossary.Facet.WebHome]]according to the following table (the values are(% style="color:#e74c3c" %)mapped(%%)as is):524 +If the text format does not specify any further facets, then the determined type is the listed type or a type which derives from the listed type without placing any addition restrictions on it. However, if one or more facets are specified, then a simple type based on the listed type is necessary. The simple type derives via restriction from the listed type and adds facets according to the following table (the values are mapped as is): 524 524 525 525 (% style="width:1007.29px" %) 526 526 |(% style="width:267px" %)**SDMX Facet**|(% style="width:729px" %)**XML Schema Facet**