[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Fw: RDDL: Should xlink:arcrole or xlink:role be the primary way todispat
Ron Daniel asked me to forward this response to the group ... -Jonathan > Jonathan Borden said: > > > > Note that the argument I present below is dependent on my > > reading of Ron > > Daniel's xlink2rdf w3c note: http://www.w3.org/tr/xlink2rdf > > ... i've cc'd > > Ron and Eve Maler, to give them the opportunity to clarify or > > correct my > > analysis, and as I've said before, I can see both sides of > > the argument, so > > if after the arguments are presented and discussed, the group > > decides one > > way, I will agree. > > > > Apologies for not being up to speed on RDDL. My laptop > was confiscated over the holidays by the IT department > so they could update it in light of our acquisition by > Interwoven, our new move to larger facilities, etc. > Faced with the prospect of reading thousands of xml-dev > emails, I deleted the lot and am starting again from > scratch. > > I can speak to some of the RDF related points Jonathan > mentions, but will then have to ask some questions about > the intent of RDDL that I did not see in the draft NOTE > Jonathan cited. > > Jonathan's explanation of the mapping of xlink:arcrole > and xlink:role to RDF is essentially correct. If you have > two 'documents', XLink lets you specify BOTH the type of > relation between the two documents and the role of the > destination document. An example from a different area > may illustrate. Assume we have a large document composed > of parts. The whole document has the identifier 'A', the > others have identifiers 'B', 'C', ... We could define an > arcrole between A and B like 'has-part'. We could define > a role for 'B' like 'Preface' or 'FrontMatter'. > The mapping NOTE gives a way to express both of those in > RDF models in a way that is consistent (IMHO) with RDF's > view of the world. > > One thing I don't know is what you are referring to by the > distinction between 'primary' and 'secondary'. What is > the difference and why is it important? > > Also, a brief step onto the soapbox before closing... Just > because XLink provides both arcrole and role does not mean > you have to use them both. First, figure out the problem you > are solving. Then figure out the tools you need to use. > (My apologies, naturally, if you have figured out all that > stuff and I had deleted it.) > > It is tempting to try and classify documents by their 'type', > only to discover later that you are mixing different notions > of type. Another example from another area - a file that > contains an image for a magazine has several notions of type: > format: image/gif > genre: election results > presentation: map > audience: advanced > ... > > Is there a list of the sorts of documents you want to associate > with the namespace URI, and the sorts of things you want to > do with those documents? > > Regards, > > (NOTE - New contact info effective 01/01/01) > Ron Daniel Jr. > Interwoven, Inc. > 101 Second Street, 4'th floor > San Francisco, CA 94105 > +1 415 778 3113 > rdaniel@i... > >
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