- From: Carl Mattocks <carlmattocks@checkmi.com>
- Date: Wed, 13 Oct 2004 14:20:29 -0400 (EDT)
- To: "Miles, AJ \(Alistair\)" <A.J.Miles@rl.ac.uk>
- Cc: "'Leonard Will'" <l.will@willpowerinfo.co.uk>, public-esw-thes@w3.org
at Al: I prefer (1) [Explicit Membership Solution]: carl <quote who="Miles, AJ (Alistair)"> > > Just to clarify on this point: > > At the moment, you can publish a set of concepts without any reference to > a > concept scheme. > > You can then state that 'concept X is a part of scheme Y,' or 'scheme Y > contains concept X,' which is the basis for building concept schemes with > concepts from different sources. > > Crucially, you *can* also define and publish semantic relationships > between > concepts, without any reference to a concept scheme. > > What you *cannot* do with SKOS Core at the moment is explicitly state that > 'semantic relationship R is a part of scheme Y,' or 'scheme Y contains > semantic relationship R.' > > If this is a strong requirement (and consensus so far suggests that it is) > then I can suggest two ways of solving this: > > (1) [Explicit Membership Solution]: Allow usage of the skos:inScheme (or > analagous property) with reified RDF statements that represent semantic > relationships between concepts. > > (2) [Provenance Solution]: As part of the properties of the concept > scheme, > introduce a new property that allows you to state e.g. 'concept scheme X > consists of the set of RDF statements loaded from resource Y'. > > What do we reckon? > > Al. > > > > --- > Alistair Miles > Research Associate > CCLRC - Rutherford Appleton Laboratory > Building R1 Room 1.60 > Fermi Avenue > Chilton > Didcot > Oxfordshire OX11 0QX > United Kingdom > Email: a.j.miles@rl.ac.uk > Tel: +44 (0)1235 445440 > > > >> -----Original Message----- >> From: public-esw-thes-request@w3.org >> [mailto:public-esw-thes-request@w3.org]On Behalf Of Leonard Will >> Sent: 11 October 2004 20:57 >> To: public-esw-thes@w3.org >> Subject: Re: candidate and deprecated concepts >> >> >> >> In message >> <350DC7048372D31197F200902773DF4C05E50C9C@exchange11.rl.ac.uk> on Mon, >> 11 Oct 2004, "Miles, AJ (Alistair)" <A.J.Miles@rl.ac.uk> wrote >> >Within a semantic web context I think it makes better sense >> to think of the >> >first step being for an authority (or individual) to publish >> a set of concepts. >> >Concept schemes may then be described a posteriori to include all or >> >some of these published concepts. This allows for schemes to be >> >described that include concepts from multiple sources. I.e. >> a concept has >> >an existence and a publication status that is independent of >> the schemes >> >(or scheme versions) which it participates in. >> >> I think it would be difficult to publish a set a concepts "in the >> abstract" without any implicit relationships between them, whether you >> call this a "scheme" or not. The problem is that the usual way of >> defining a concept is to say what broader concept it is a >> member of, and >> then specify the ways in which it is differentiated from other members >> of that broader concept. >> >> E.g. "A child is_a person less than 18 years old" >> "An insect is_an invertebrate with a jointed body and >> six legs" >> "Physics is_a science which deals with matter and energy" >> >> Thus in the act of defining concepts you define hierarchical >> relationships to other concepts. You may be able to specify additional >> relationships of all kinds between concepts to make a more complex >> scheme, but that is additonal to the hierarchy inherent in the >> definitions. >> >> Leonard >> >> -- >> Willpower Information (Partners: Dr Leonard D Will, >> Sheena E Will) >> Information Management Consultants Tel: +44 >> (0)20 8372 0092 >> 27 Calshot Way, Enfield, Middlesex EN2 7BQ, UK. Fax: +44 >> (0)870 051 7276 >> L.Will@Willpowerinfo.co.uk >> Sheena.Will@Willpowerinfo.co.uk >> ---------------- <URL:http://www.willpowerinfo.co.uk/> >> ----------------- >> > > -- Carl Mattocks co-Chair OASIS (ISO/TS 15000) ebXMLRegistry Semantic Content SC co-Chair OASIS Business Centric Methodology TC CEO CHECKMi v/f (usa) 908 322 8715 www.CHECKMi.com Semantically Smart Compendiums (AOL) IM CarlCHECKMi
Received on Wednesday, 13 October 2004 18:20:30 UTC