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Logical ModelRelease File RepresentationsReferences
Concepts

Each concept is represented by a row in the

Specref
RefTypefile
tconcept
release file.

4.2.1 Concept File Specification
Descriptions

Each description is represented by a row in the

Specref
RefTypefile
tdescription
release file.

4.2.2. Description File Specification
Stated Concept Definitions

Each stated

Gloss
tconcept definition
is represented by a set of rows in the
Specref
tOWL axiom reference set file
, which follows the format of an OWL Expression Reference Set. Each row contains an
Gloss
taxiom
that forms part of the definition of the 
Gloss
tconcept
 identified by the referencedComponentId.

Notes:

  • As well as representing the definitions of individual concepts, the
    Specref
    RefTypefile
    tOWL axiom reference set
    represents characteristics of
    Gloss
    tattributes
    including transitivity, reflexivity and property chains.
  • The
    Specref
    RefTypefile
    tOWL ontology reference set
    also follows the OWL Expression Reference Set pattern. It contains general information about the terminology, which is required by a
    Gloss
    tdescription logic classifier
    but is not subject to significant changes between release versions.
Note
titleChange Note

This representation was introduced in July 2018 and, following a transitional period, now fully represents all stated concept definitions.

5.2.1.9 OWL Expression Reference Set

DOCOWL

DOCLPS

Inferred Concept Definitions

Each inferred

Gloss
tconcept definition
is represented by a set of rows in the
Specref
RefTypefile
trelationship
release file. Each row in the set that defines a concept, represents a necessary, defining relationship with another concept. The
Specref
tdefinitionStatusId
column in the concept file row indicates whether the set of defining relationships is sufficient to define the concept.

4.2.3 Relationship File Specification
Other Related Information

Represented by a range of

Specref
RefTypefile
treference set
release files that conform to the extensible reference set file format.

Each row in a reference set refers to a concept or description as a member of the set.The extensible structure allows different types of related information to be associated with the referenced component.

5.2 Reference Set Types

Practical Guide to Reference Sets

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