DataReferenceModel Version2 11 2005/Data Sharing Section

6.4 Data Sharing Section of the DRM Abstract Model    (3YXP)

   (3YY6)

 Figure 6-5 Data Sharing Section of the DRM Abstract Model    (3YXQ)

The following are definitions for each of the concepts and relationships shown above.    (3YMU)

Exchange Package    (3YXR)

A description of a specific recurring data exchange between a Supplier and a Consumer. An Exchange Package contains information (metadata) relating to the exchange (such as Supplier ID, Consumer ID, validity period for data, etc.), as well as a reference to the Payload (message content) for the exchange. An Exchange Package can also be used to define the result format for a query that is accepted and processed by a Query Point in a data sharing scenario.    (3YMD)

• Relationships:    (3YME)
  • An Exchange Package refers to an Entity    (3YMF)
  • An Exchange Package is disseminated to a Consumer    (3YMG)
  • An Exchange Package queries a Query Point    (3YMH)
  • An Exchange Package refers to a Payload Definition    (3YMI)
    • Example: An Exchange Package the describes a specific recurring data exchange involving shipment information.    (3YMV)

Entity    (3YXS)

See the Data Description chapter.    (3YMW)

Supplier    (3YXT)

An entity (person or organization) that supplies data to a Consumer.    (3YXU)

• Relationships:    (3YMJ)
  • A Supplier produces an Exchange Package    (3YXV)
    • Example: A federal agency that supplies data to one or more other federal agencies.    (3YMY)

Consumer    (3YXW)

An entity (person or organization) that consumes data that is supplied by a Supplier.    (3YMK)

• Relationships:    (3YML)
  • None    (3YMM)
    • Example: A federal agency that consumes data from one or more other federal agencies.    (3YMZ)

Payload Definition    (3YXX)

An electronic definition that defines the requirements for the Payload (data) that is exchanged between a Supplier and a Consumer.    (3YMN)

• Relationships:    (3YMO)
  • None    (3YMP)
    • Example: A specific message set expressed as an XML schema or an EDI transaction set that contains information about a “Person” entity.    (3YN0)

Query Point    (3YXY)

An endpoint that provides an interface for accessing and querying a Data Asset. A concrete representation of a Query Point may be a specific URL at which a query Web Service may be invoked.    (3YMQ)

• Relationships:    (3YMR)
  • A Query Point accesses a Data Asset    (3YMS)
    • Example: A specific URL at which a data service may be invoked.    (3YN1)

Data Asset    (3YXZ)

See the Data Context chapter.    (3YMT)