Re: f2f planning - Issue 63

2009/11/23 Jonathan Rees <jar@creativecommons.org>

> Great. Can you give examples of applications that consume SKOS content
> and do something useful with it? At CC we're doing something like this
> (using NLM MeSH headings in SPARQL queries), but would like to hear
> about other instances.
>

I hopefully will be able to give you examples after Wednesday - I will be
attending a workshop about "semantic web in libraries" - see the agenda in
German, but also with speakers from LOC like Ed Summers
http://www.swib09.de/programm.pdf .

Best,

Felix





>
> Jonathan
>
> On Mon, Nov 23, 2009 at 2:26 AM, Felix Sasaki
> <felix.sasaki@fh-potsdam.de> wrote:
> > An example for supporting this point: SKOS can be used to represent a
> > thesaurus in an RDF-based way. A thesaurus can be used e.g. to enhance
> > full-text search ("use all terms which are broader than my search term").
> In
> > XQuery full text search, you are able to use the same kind of resource (a
> > thesaurus) with the same purpose (enhance search), but not necessarily
> > relying on RDF for thesaurus representation.
> >
> > Best,
> >
> > Felix
> >
> > 2009/11/23 Jonathan Rees <jar@creativecommons.org>
> >>
> >> I'm with you...  RDF per se has little to do with models of anything,
> >> any more than XML or ASCII does; it's a way of *expressing* models
> >> syntactically, which is the easy part.  (RDF semantics is also helpful
> >> discipline, but also brutally neutral.) You still have to create
> >> vocabularies (ontologies) that do what needs to be done.
> >>
> >> The consumer use cases are the interesting part of the story - linked
> >> data isn't much good if no one's using it - and I think they should be
> >> sought out and/or developed.
> >>
> >> Jonathan
> >>
> >> On Sun, Nov 22, 2009 at 5:23 PM, Larry Masinter <masinter@adobe.com>
> >> wrote:
> >> >> * Metadata model: what is the "data model" for typical metadata
> >> >> applications -
> >> >> the datatypes of the endpoints?
> >> >> The model is RDF.  We recommend that all metadate be encoded as RDF.
> >> >
> >> > RDF 'has' a data model -- things you can say. The question remains, I
> >> > think,
> >> > whether it is useful, productive, and appropriate to allow "anything
> you
> >> > can
> >> > say in RDF" to also be said in metadata.  I think the requirements for
> >> > metadata processing may mean that some relations have a much more
> >> > restricted
> >> > domain.
> >> >
> >> >> Metadata in other formats e.g. RDDL, should be translatable into RDF,
> >> >> or
> >> >> encapsulated in a RDF wrapper.
> >> >
> >> > It's going the other way that is also important. Imagine an audio
> player
> >> > (WinAmp, iTunes,  Windows Media Player) in which you had not just
> title
> >> > and artist and duration, and so on, but allowed any of those to be
> >> > arbitrary RDF assertions. I think the media player would suffer if it
> >> > weren't
> >> > possible to restrict the data model of "artist" to be arbitrary rather
> >> > than the dc:creator.
> >> >
> >> >
> >> >> * Metadata serialization: how can metadata be encoded in a
> >> >> representation system,
> >> >> be it RDF or something else
> >> >> Metadata is serialized using standard RDF serialization.
> >> >
> >> > Yes, RDF is one serialization.
> >> >
> >> >
> >> >> * Metadata vocabularies:  what are appropriate vocabularies for
> >> >> describing various
> >> >> media objects and network services? What is the process by which new
> >> >> vocabularies
> >> >> can or should be developed, described, extended or changed?
> >> >> There exist RDF vocabularies for several domains.  Others need to be
> >> >> created.
> >> >
> >> > I think it's easy to create vocabularies; the real difficulty is
> >> > vocabulary
> >> > mapping and also the scalability of metadata when merging metadata
> from
> >> > multiple
> >> > sources.
> >> >
> >> >> * Metadata linking: What are the various ways in which metadata can
> be
> >> >> associated
> >> >> with "data" or other resources? Link relationships, protocol
> elements,
> >> >> mechanisms
> >> >> for embedding metadata in various kinds of data?
> >> >> I think this is issue 62:
> >> >> http://www.w3.org/2001/tag/group/track/issues/62
> >> >
> >> > Issue 62 focuses on one way of linking; I don't think it is or should
> be
> >> > the
> >> > only way.
> >> >
> >> > Larry
> >>
> >
> >
>