Extension schemes for EN 15907
EN 15907 has a number of data element definitions that refer to yet undefined value or relationship types, or undetermined data structures. This approach was chosen by the Technical Committee because any other option would have forced it to take decisions either beyond the scope of the mandate, or without a stable consensus.
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Issue: Temporal sections of an AV manifestation
This was raised on several occasions during the Rome workshop. Some usage scenarios are:
- Re-use relationships: Clips from a manifestation of work A were re-used in a manifestation of work B such that B incorporates interval T1,T2 from A; material from A is being re-used in interval T1,T2 of B.
- Content description: A shotlist item or a set of indexing descriptors refers to interval T1,T2 of a manifestation.
- Describing manifestations of complex works: Newsreel item B occurs at T1,T2 in issue N of a series.
The W3C has a Media Fragments Working Group which studies ways of expressing fragments as part of resource identifiers for the Web.