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WILSON Scott

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Extract of

Requirement

Title

Need for information definitions

Identifier

SWIM-INFO-001

Requirement

Exchanged information shall be documented in an information definition.

Rationale

The requirement for information definitions is essential in order to facilitate semantic interoperability. Without information definitions, there are no resources to allow the meaning of the information to be clearly defined, understood and harmonised between stakeholders.

Verification

Completeness

Examples/Notes

Example: Standardised information exchange models such as the Aeronautical Information Exchange Model (Guidance on SWIM-INFO-001AIXM)

[RD10], the Flight Information Exchange Model (FIXM) [RD 11], the Weather Information Exchange Model (WXXM) [RD 13] and the ICAO Meteorological Information Exchange Model (IWXXM) [RD 14].


Example: Descriptions of information exchanged by services.

 

Example: Data catalogues used to list details on the exchanged information.

 

Example: Information exchanges captured as part of a business process model.

Level of Implementation

Mandatory

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Guidance

  • Provide all definitions as part of the definitions section and link to them as convenient.

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An information definition is “a formal representation of information concepts or data concepts”.

Flavours of information definitions

  • Disambiguate from the examples section. The following are types of Information definitions.
  • It could be convenient to provide links to existing information definitions (external references, see AIXM examples)

Data Catalogue Example

UML Model Example

Exchange Model Example

Verification Support

Completeness:

  •  Check that there is an information definition. 
  •  Check that it covers all of the information that is exchanged between the actors. 

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  •  The information definition can be a standalone document or embedded into another document such as a service description. (A set of documents can be provided instead of a single one)

Examples/Best Practice

  • Need to agree a format for the examples and a source four the definitions used. The strawman uses ISO 19115 and 19139. Is this acceptable?
  • Examples of complete information definitions are given at xxx

    Add list of examples e.g. ED-254, AIXM, etc.



Code Block
languagexml
titleExample of SWIM-INFO-001
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no example needed



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References

Anchor
AIXM
AIXM
AIXM: http://www.aixm.aero

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