ewallace@cme.nist.gov wrote: > Ivan Herman wrote: >> Well... I did meet one example. DCMI (the organization behind the Dublin >> Core metadata) is having problems exactly on that. They have an abstract >> model document[1] where they speak about 'value surrogate' that can >> either be a literal or non-literal. When mapping this abstract model to >> RDF[2] they hit this problem (eg, is the value of a dcterm:subject >> property a literal or not). > > I personally think that this example illustrates plain bad modelling > practice. Can you point to some discussion of the motivations for this > choice which might modify my view? > Hm. Not directly. There is a mailing list: DC-ARCHITECTURE@JISCMAIL.AC.UK to which you could sign up, I suppose, but I am not sure you want that... There is probably an archive somewhere... But I was not involved in the discussions around those 'surrogate'-s, so I really cannot say. However. While I do not want to defend their modelling practice, we have to acknowledge that they are there, they exist, and they represent a major community (through the DCMI we get to the whole library community which is not a small one) that we may want to serve by providing punning of datatype/object properties. That is all... Ivan > -Evan > -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
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