RE: [ontolog-forum] Wordnet Representations - XSD/RDF/OWL

["Michael Daconta" <mdaconta@xxxxxxx>]

Hi Danny,    (01)

Thanks for the resources ... I can't remember if I have seen
them (it's all starting to blur ;^)    (02)

On OWL DL versus RDF.  The current version which is parseable in RDF 
does not use any of the rdfs vocabularly.  So, what I am asking is what
do you feel the benefits of modeling the wordnet constructs as classes 
as compared to the current resource-based approach.  What does saying a
Concept (aka synset) is a Class buy us?    (03)

Thanks again,    (04)

  - Mike    (05)

Danny Ayers wrote on 1/22/2004, 3:48 PM:    (06)

 > Hi Mike,
 >
 > Looks mighty interesting!
 >
 > re. OWL - (I assume you mean OWL DL) I'm not entirely sure of the
 > pros/cons overall, but I'd be tempted to define the schema/ontology
 > using owl:Class rather than rdfs:Class and so on to start with, it
 > should be easier to loosen later than tighten. It should be fun in the
 > reasoners too ;-)
 >
 > There's some related material (you've probably seen before, but just
 > in case!) around the recent ESW RDF Thesaurus work:
 >
 > http://www.w3c.rl.ac.uk/SWAD/thesaurus.html
 > http://esw.w3.org/topic/RdfThesaurus
 >
 > Cheers,
 > Danny.
 >
 > > -----Original Message-----
 > > From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
 > > [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx]On Behalf Of Michael
 > > Daconta
 > > Sent: 22 January 2004 22:58
 > > To: [ontolog-forum]
 > > Subject: [ontolog-forum] Wordnet Representations - XSD/RDF/OWL
 > >
 > >
 > > Hi Everyone,
 > >
 > > Note: for those also subscribed to rdf-interest, I apologize for the
 > > cross-post.
 > >
 > > As part of a taxonomy framework, we will be linking taxonomies
 > lexically
 > > by requiring each term to be mapped to a WordNet synonym or synset.
 > >
 > > As a start, I created an XSD schema and instance that follows the
 > > striped syntax and is thus also parseable as RDF.
 > >
 > > Here is a partial sample instance:
 > >
 > > <wn:Word xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'
 > > xmlns:wn='http://www.daconta.net/wn#' rdf:ID='dog'
 > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
 > > xsi:schemaLocation="http://www.daconta.net/wn# Word.xsd" >
 > >              <wn:partsOfSpeech rdf:parseType='Collection'>
 > >                 <wn:PartOfSpeech wn:type='verb'>
 > >                    <wn:concepts rdf:parseType='Collection'>
 > >                          <wn:Concept rdf:ID='_1943890'>
 > >                             <wn:definition>go after with the intent to
 > > catch; &quot;The policeman chased the mugger down the alley&quot;;
 > > &quot;the dog chased the rabbit&quot;</wn:definition>
 > >                               <wn:relations
 > rdf:parseType='Collection'>
 > >                                      <wn:Relation wn:type='hypernym'
 > > wn:tgt='_1942900'/>                              ...
 > >                                      <wn:Relation wn:type='hyponym'
 > > wn:tgt='_1946245'/>
 > >                               </wn:relations>
 > >                                <wn:synonyms rdf:parseType='Collection'>
 > >                                      <wn:Synonym
 > wn:lemma='chase_after'/>
 > >                                      <wn:Synonym
 > wn:lemma='give_chase'/>
 > >                           </wn:synonyms>
 > >                            </wn:Concept>
 > >               </wn:concepts>
 > >              </wn:PartOfSpeech> …
 > >
 > > If you are interested in playing around with this, there is a schema,
 > > test program and simple web service at
 > > http://www.daconta.net/project_folder/WordnetMetamodel.html .
 > >
 > > I have two questions for this group …
 > >
 > > 1. Would it be better to leave this as RDF or create an OWL ontology
 > for
 > > the Wordnet metamodel.
 > >
 > > 2. How would you handle wordnet addressing?  In other words, a link
 > from
 > > a Topic to a Wordnet Concept (aka synset) or
 > > Synonym.  Another aspect of this would be how closely wordnet
 > relations,
 > > map to XTM associations and OWL relations.
 > >
 > > Thanks for any feedback,
 > >
 > >   - Mike
 > > -----------------------------
 > > Michael C. Daconta
 > > Chief Scientist, APG McDonald Bradley, Inc.
 > > www.daconta.net
 > >
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 >    (07)

-- 
-----------------------------
Michael C. Daconta
Chief Scientist, APG McDonald Bradley, Inc.
www.daconta.net    (08)

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