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> From [log in to unmask] Mon Feb 12 20:41 MET 2001 > MIME-Version: 1.0 > Date: Mon, 12 Feb 2001 14:41:12 -0500 > From: "Matola,Tod" <[log in to unmask]> > Subject: [POLL] URI for DCES, DCQ and DCT > To: [log in to unmask] > > Hello, > > After further discussion with Eric and Stu, I wanted to repost the relevant > parts Eric's proposal for how to apply the current namespace convention to > the other two recommended documents (DCQ and DCT). > > Please keep in mind that there are 2 questions: > > 1) how do we associate a URI with a word (and) > 2) what to we get when we resolve the URI? > > I would like to keep us focused on the first question (in light of Eric's > proposal). > > Here is the URI for the DCES namespace > http://purl.org/dc/elements/1.1/ > > and here are the proposed URIs for the DCQ and DCT namespaces > http://purl.org/dc/qualifiers/1.0/ > http://purl.org/dc/types/1.0/ > > Per Eric's proposal: > > > and make the > > declarations of the semantics defined in this file absolute to > > the purl rather than relative to the file > > would result in the URIs for a selected set of agreed upon concepts: > http://purl.org/dc/elements/1.1/title > http://purl.org/dc/qualifiers/1.0/LCSH That's interesting: DCMI recommended Schemes will get a URI from DC. > http://purl.org/dc/types/1.0/Event > > Please respond so that we can move this issue along. > > Cheers Tod Matola > Developer > DCMI/OCLC office of research > [log in to unmask] > > > -----Original Message----- > > From: Miller,Eric [mailto:[log in to unmask]] > > Sent: Friday, February 09, 2001 3:35 PM > > To: [log in to unmask] > > Subject: Re: [DC-ARCHITECTURE] Current Status of Dublin Core in SW > > > > The DCMI has only officially defined one namespace (to date). > > http://purl.org/dc/elements/1.1/ This URL is a PURL and (as > > a PURL) simply > > a name of something rather than the location of something. Currently > > http://purl.org/dc/elements/1.1/ resolves to > > http://purl.org/dc/documents/rec-dces-19990702.htm. > > > > As a proposal to start more effectively using these schemas, > > I would suggest > > the following. > > > > 1) have http://purl.org/dc/elements/1.1/ resolve to > > http://dublincore.org/2000/03/13-dces# and make the > > declarations of the semantics defined in this file absolute to > > the purl rather than relative to the file. > > > > 2) introduce http://purl.org/dc/qualifiers/1.0/ and resolve this to > > http://dublincore.org/2000/03/13-dcq# and again provide > > absolute uris for > > the semantics. > > > > 3) introduce http://purl.org/dc/types/1.0/ and resolve this to > > http://dublincore.org/2000/03/13-dctype# again providing > > absolute uris for > > the semantics. > > > > We need namespaces for the qualifiers and types in order to start > > semantically interoperable implementation of anything beyond DCES. Above > is > > a proposal for how to name these vocabularies agreed to by DCMI and what > > application would find when resolving this name. The > > namespaces used above have demonstrated their stability and > > reflect both the semantics agreed upon by the community as well as the > > prinicipals of semantic extensibility and refineability that the DCMI > > has been advocating since day one. > > > > > > --eric > > >