UCDs and Ontologies

Details UCDs and Ontologies UCDs and Ontologies

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..351..449d&link_type=abstract

Astronomical Data Analysis Software and Systems XV ASP Conference Series, Vol. 351, Proceedings of the Conference Held 2-5 Octob

Astronomy and Astrophysics

Astronomy

Scientific paper

The UCDs (Unified Content Descriptors) are a standardized vocabulary used to describe astronomical quantities and related concepts. One limitation is that there is no formal representation structure (with a syntax and a semantics) describing the relationships and dependencies between the words, and it is not possible to perform automated reasoning on UCDs.
We present here a tentative ontology of UCDs, associating advanced semantics to the UCD words. We discuss the application of this work to the problem of associating UCDs to descriptions of astronomical catalogues.

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