On Thu, 2007-05-31 at 14:50 +0300, Evgeny Egorochkin wrote: > On Thursday 31 May 2007 12:50:24 Antoni Mylka wrote: > > Hello phreedom, > > > > For those of you who don't know me I'm currently working on a desktop > > ontology for the Nepomuk project [1] (Nepomuk Information Element > > Ontology). The current draft is available at [2]. > > > > Overall. Mikkel Kamstrup has already noticed, that the notation used is > > not typical. The "Classes" are not actualy RDFS classes but "property > > categories". Otherwise the distinction you made between a File and > > Content means that these are two separate entities. Could you elaborate > > a bit more? > > This is a result of the limitation that only one resource can be used to > describe a file. There are 2 major class trees: content and source. They for > now are subclasses of DataObject, but this may be changed e.g. in favor of > DC. Each file gets assigned one content and one source class. There are no > conflicting deviations from RDFS, just a subset. It might be more appropriate > to rename Source branch to SourcedFromXXX, but I don't think it's appropriate > here and/or will be accepted. > > Current limitations: > 1) One resource per file or its equivalent like message attachment or archive > content.
shuold be ok > 2) no multi-inheritance for classes/properties should be ok > 3) RDF object is always literal. Can't directly reference resources.(has > workarounds). what are the workarounds? vCard basically needs structs (non literal resources) for things like 1 or more contact addresses (struct of phone, email , fax etc) jamie _______________________________________________ xdg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xdg
