- From: Robert Watkins <rwatkins@foo-bar.org>
- Date: Mon, 11 Jul 2005 11:48:02 -0400
- To: Leonard Will <L.Will@willpowerinfo.co.uk>
- cc: public-esw-thes@w3.org
On Mon, 11 Jul 2005, Leonard Will wrote: > A complication is that many terms which exist as MeSH qualifiers also > exist as MeSH descriptors (e.g. economics, education, drug therapy, ... > ). Some concepts (e.g. adverse effects) exist only as qualifiers. > > I think that it is undesirable to have the same concept occurring twice > in a scheme, once as a descriptor and once as a qualifier. Do we > therefore have to have an additional property attached to those which > are only to be used as qualifiers, specifying something like "do not use > as the first-cited, or only, term in a string". > Would it not be possible/appropriate to use (borrowing heavily from Alistair Miles' earlier example): @prefix skos: <http://www.w3.org/2004/02/skos/core#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix mesh: <http://www.nlm.nig.gov/mesh/schema#> . @prefix md: <http://www.nlm.nig.gov/mesh/descriptors#> . @prefix mq: <http://www.nlm.nig.gov/mesh/qualifiers#> . mesh:descriptor a rdf:Class; rdfs:subClassOf skos:Concept; mesh:qualifier a rdf:Class; rdfs:subClassOf skos:Concept; md:economics a skos:Concept; rdf:type mesh:descriptor; rdf:type mesh:qualifier; mq:"adverse effects" a skos:Concept; rdf:type mesh:qualifier; or possibly: md:economics a mesh:descriptor; rdf:type mesh:qualifier; mq:"adverse effects" a mesh:qualifier; -- Robert -------------------- Robert Watkins rwatkins@foo-bar.org --------------------
Received on Monday, 11 July 2005 15:48:34 UTC