[OASIS Issue Tracker] Commented: (ODATA-535) Define specialization for terms

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    [ http://tools.oasis-open.org/issues/browse/ODATA-535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34801#action_34801 ] 

Michael Pizzo commented on ODATA-535:
-------------------------------------

This nearly works, but there may be times when I want to use the schema types directly and other times when I need to apply as annotations.

Take the schema.org case. If I don't already have a schema (i.e., I'm a triple store), I can directly reference schema.org for my type information (in which case, I would need inheritance in the types). BUT,if I already have a schema, then I want to be able to apply the same type information as annotations..

> Define specialization for terms
> -------------------------------
>
>                 Key: ODATA-535
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-535
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData CSDL
>    Affects Versions: V4.0_CS01
>         Environment: [Proposed]
>            Reporter: Ralf Handl
>             Fix For: V4.0_CSD03
>
>
> When merging type terms and value terms we lost the possibility to define terms that are a specialization of other terms, e.g. "developers are also people".
> What we can currently do:
> - define a term Person using complex PersonType
> - define a complex DeveloperType that inherits from PersonType
> - annotate something with term Person and use a record of type DeveloperType
> So someone knowing the term Person will find this term with additional properties defined on the DeveloperType. 
> (If we don't accept ODATA-513 that someone may only find the additional properties and none of the PersonType properties.)

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