At Mon, 07 Jun 2010 10:39:49 -0700, Karen Coyle wrote: > > Quoting Erik Hetzner <ehetz...@gmail.com>: > > > Are you talking about the FOAF and FBRR [1] RDF schemas? > > No. I'm talking about the properties that each has defined. I have a > comparison here: > > http://kcoyle.net/temp/comparePersonVocabs.pdf > > The vocab.org FRBR schema was NOT developed by the folks who created > FRBR and, IMO, it exhibits some misunderstandings of the intentions of > the actual developers. So consider that one person's interpretation. > IFLA, the "owner" of FRBR, is in the process of defining the > properties and classes here: > > http://metadataregistry.org/schema/show/id/5.html > > The Person class does not define it as equivalent to FOAF. > > I know that there are folks who feel that the vocab.org FRBR should be > the one used, but it is very different from what IFLA is creating, so > we find ourselves with two FRBR's that are only superficially the > same. Since IFLA is the maintenance agency for FRBR (and FRBR has > changed since the vocab.org version was created and will change even > more when integrated with FRAD and FRASAR), I believe that we should > take its version seriously.
Hi Karen - Thanks for the pointer. I was not aware the IFLA was working on an official FRBR RDF schema. That is great news to me. I will have to think more on the issue of equivalence between a frbr person and a foaf person. I will explain why this question arises. In some software I am working on, I have a table to define a FRBR Person. To make it easier to deal with, one can add one or more URIs to the person. Right now I have some custom code to pull a name & birth/death dates from dpedia.org. Soon I will add the same to pull from OL. But semantically I was wondering, are these the same (owl:sameAs)? In the case of OL, it seems at least the answer is “no”. The OL URL [1] does not identify Mary Wollstonecraft, but rather the bib record about her. So the relationship should be rdfs:isDefinedBy. On the other hand the record at dbpedia [2] identifies the person. But would this be owl:sameAs the FRBR entity (or resource) that I am defining? You are saying, if I understand you correctly, that these have a different relationship. In other words, we have a Person (e.g., [2]), a Person as bibliographic entity (as in FRBR), and finally one or more bibliographic records about the person, (e.g., [1]). Do I have that right? Many thanks for your help with this issue. best, Erik 1. http://openlibrary.org/authors/OL73405A 2. http://dbpedia.org/resource/Mary_Wollstonecraft
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