UCDs vs ontologies?
eca at mssl.ucl.ac.uk
Wed Jun 1 08:42:25 PDT 2005
> On the other hand, we're told that the role of UCDs is distinct from that of
> ontologies. An ontology is an (attempt) at expressing the complete range of
> some knowledge domain. Astronomy is a big subject - its ontology will be
> Personally, I think the VO community will need to develop several separate
> ontologies over time as well as several separate glossaries of UCDs or
> UCD-like constructs. It is not obvious that a glossary of UCDs for tabular
> convenience is equivalent to a glossary of UCDs for VOEvent convenience. An
> ontology can afford to be large and unwieldy to reach its goal of being
> complete and accurate.
Incidentally, I've posted a first go at a VOEvent ontology (OWL-DL format)
on the VOTech wiki at
http://wiki.eurovotech.org/bin/view/VOTech/VoEventOntology. Any comments
on the structure, concepts, and coverage of this v0.000000001 ontology
would be appreciated.
More information about the ucd-tech