How to create abstract assets (no instantiation)
PBCore 2.0 can be used to express “abstract,” or metadata-only assets. These assets simply do not have any instantiations, and might serve to represent a high level idea such as a television for which there is no single physical or digital instantiation. The descriptive metadata within such an assets may be referenced from within other […]
How to express time segments within a video
Use time-oriented attributes (startTime, endTime) within elements such as contributor, coverage, creator, instantiationPart, instantiationRights, pbcoreDescription, pbcoreGenre, pbcoreInstantiation, pbcoreInstantiationDocument, pbcorePart, pbcoreRightsSummary, pbcoreSubject, pbcoreTitle and publisher. For example: <pbcoreDescriptionDocument> <!– section removed for clarity –> <pbcoreDescription descriptionType="Summary" segmentType="Scene" startTime="01:02:03;04" endTime="05:06:07;08">Series of cut-transition between static views of natural beauty.</pbcoreDescription> <!– section removed for clarity –> </pbcoreDescriptionDocument>
