Changes for page 14 Process

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	3	+== 14.1 Introduction ==
	4	+
	5	+In any system that processes data and reference metadata the system itself is a series of processes and in each of these processes the data or reference metadata may undergo a series of transitions. This is particularly true of its path from raw data to published data and reference metadata. The process model presented here is a generic model that can capture key information about these stages in both a textual way and also in a more formalised way by linking to specific identifiable objects, and by identifying software components that are used.
	6	+
	7	+=== 14.2 Model – Inheritance and Relationship view ===
	8	+
	9	+==== 14.2.1 Class Diagram ====
	10	+
	11	+[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_b896cdf3.jpg||height="396" width="565"]]
	12	+
	13	+**Figure 46: Inheritance and Relationship class diagram of Process and Transitions**
	14	+
	15	+=== 14.2.2 Explanation of the Diagram ===
	16	+
	17	+==== 14.2.2.1 Narrative ====
	18	+
	19	+The Process is a set of hierarchical ProcessSteps. Each ProcessStep can take zero or more //IdentifiableArtefact//s as input and output. Each of the associations to the input and output //IdentifiableArtefact//s (ProcessArtefact) can be assigned a localID.
	20	+
	21	+The computation performed by a ProcessStep is optionally described by a Computation, which can identify the software used by the ProcessStep and can also be described in textual form (+description) in multiple language variants. The Transition describes the execution of ProcessSteps from +source ProcessStep to +target ProcessStep based on the outcome of a +condition that can be described in multiple language variants.
	22	+
	23	+==== 14.2.2.2 Definitions ====
	24	+
	25	+:
	26	+::
	27	+
	28	+(((
	29	+|**Class**|**Feature**|**Description**
	30	+|Process|(((
	31	+Inherits from
	32	+
	33	+Maintainable
	34	+)))|A scheme which defines or documents the operations performed on data or metadata in order to validate data or metadata to derive new information according to a given set of rules.
	35	+||+step|Associates the Process Steps.
	36	+|ProcessStep|(((
	37	+Inherits from
	38	+
	39	+//IdentifiableArtefact      //
	40	+)))|A specific operation, performed on data or metadata in order to validate or to derive new information according to a given set of rules.
	41	+||+input|Association to the Process Artefact that identifies the objects which are input to the Process Step.
	42	+||+output|Association to the Process Artefact that identifies the objects which are output from the Process Step.
	43	+||+child|Association to child Processes that combine to form a part of this Process.
	44	+||+computation|Association to one or more Computations.
	45	+||+transition|Association to one or more Transitions.
	46	+|Computation||Describes in textual form the computations involved in the process.
	47	+||localId|Distinguishes between Computations in the same Process.
	48	+||softwarePackage softwareLanguage softwareVersion|Information about the software that is used to perform the computation.
	49	+||+description|Text describing or giving additional information about the computation. This can be in multiple language variants.
	50	+|Transition|(((
	51	+Inherits from
	52	+
	53	+//IdentifiableArtefact      //
	54	+)))|An expression in a textual or formalised way of the transformation of data between two specific operations (Processes) performed on the data.
	55	+||+target|Associates the Process Step that is the target of the Transition.
	56	+||+condition|Associates a textual description of the Transition.
	57	+|ProcessArtefact||Identification of an object that is an input to or an output from a Process Step.
	58	+||+artefact|Association to an Identifiable Artefact that is the input to or the output from the Process Step.
	59	+)))