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Ross Singer wrote: > Right, but that's how it would work. If these resources were modeled > in RDF, they'd have URIs. What you would do is to say 'bibliographic > things' you'd use bibo attributes with the URI. To say work grouping > things you'd use FRBR/FRAR attributes with the URI. > > So as long as they're using the same URIs, they're describing the same thing. > > > OK, Now I think I see where we're missing each other. Right now, IFLA is not thinking about registering (or creating identifiers for) the FRBR "attributes," just the entities and relationships. I'm not sure that the attributes make the cut... and they aren't the same as the properties that RDA has defined. RDA properties have been assigned to particular FRBR entities (Groups 1 and 2 only, since RDA didn't do Group 3) in the RDA documentation, but there isn't complete agreement within the cataloging community as to which properties go with which FRBR Group 1 entities. So what RDA online is experimenting with is applying the FRBR entities as classes to RDA properties in an application profile that brings together RDA 'data elements' (properties in RDF) and FRBR entities (classes in RDF). (I haven't seen the result yet in the http://metadataregistry.org so I'm unclear on how the FRBR relationships will be used. I think they've been registered as properties.) I'm not at all sure what will happen with the FRBR attributes that are in the FRBR document, but they seem to have been rejected by the JSC in the RDA process. Nor can I figure out what's going to happen when the FRAD draft is made official. FRAD essentially includes all of FRBR plus some other properties and relationships. Now bibo has many attributes that might be the same as RDA attributes, or that could at least have some meaning within the FRBR defined classes. FRBR entities could be used with bibo, if the idea for RDA in the http://metadataregistry.org works, by creating an application profile for bibo + FRBR classes. kc -- ----------------------------------- Karen Coyle / Digital Library Consultant [log in to unmask] http://www.kcoyle.net ph.: 510-540-7596 skype: kcoylenet fx.: 510-848-3913 mo.: 510-435-8234 ------------------------------------