And to add it's also valid to have URIs as objects of the triples in addition to literals.
I'd recommend that you create the properties in your own namespace rather than using properties in one of the Fedora namespaces. Steve > -----Original Message----- > From: aj...@virginia.edu [mailto:aj...@virginia.edu] > Sent: 03 January 2012 17:07 > To: Support and info exchange list for Fedora users. > Subject: Re: [fcrepo-user] Properties within RELS-EXT? > > > If by "properties" you simply mean RDF triples with literal > objects, it is certainly fine to do that in Fedora 3.x. > > Keep in mind that in your example below, you are making > "kb:timestamp" and "kb:status" assertions about the _object_ > "info:fedora/kb:33001", _not_ about the rel:isConstituentOf > _relation_ between "info:fedora/kb:33001" and > "info:fedora/kb:33000". Making assertions about a > relationship would require some affordance roughly equivalent > in expressive power to RDF reification, which is not a base > capability of the Fedora RI at this time. > > --- > A. Soroka > Online Library Environment > the University of Virginia Library > > On Jan 3, 2012, at 4:24 AM, Bengt Neiss wrote: > > > Hello > > > > I just want to check if it is allowed or "not recommended" > to create > > "properties" within the RELS-EXT datastream? We have done something > > similar to this in a Fedora 2.x repository but will now > start to use > > Fedora 3.5 (probably). The idea is to be able to create > relations that are valid within a specific timeframe. > > > > Something like the following: > > > > <rdf:RDF> > > <rdf:Description rdf:about="info:fedora/kb:33001"> > > <rel:isConstituentOf rdf:resource="info:fedora/kb:33000"/> > > <kb:timestamp>123456789</kb:timestamp> > > <kb:status>active</kb:status> > > </rdf:Description> > > </rdf:RDF> > > > > > > > > > > > > > > Happy New Year everyone! > > > > //Bengt > > > > > > --------------------------------------------------------- > > Bengt Neiss > > Kungl. Biblioteket / National Library of Sweden > > Phone: +46 (0)10 709 35 41 > > > > > ---------------------------------------------------------------------- > > -------- > > Write once. Port to many. > > Get the SDK and tools to simplify cross-platform app > development. Create > > new or port existing apps to sell to consumers worldwide. > Explore the > > Intel AppUpSM program developer > opportunity.appdeveloper.intel.com/join > > > http://p.sf.net/sfu/intel-appdev______________________________ _________________ > Fedora-commons-users mailing list > Fedora-commons-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/fedora-commons-users ---------------------------------------------------------------------------- -- Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev _______________________________________________ Fedora-commons-users mailing list Fedora-commons-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/fedora-commons-users ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Fedora-commons-users mailing list Fedora-commons-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/fedora-commons-users
