Omega Ontology: Omega base component

The base component of the Omega ontology is the core ontology into which all other content is rooted. Besides the O3 subontology, this base component contains the linked-in references to the WordNet subject domains annotations from Magnini & Cavalia, placed into the D namespace.

Sub-ontology	Namespace	Size	Description
O3 ("Omega³")	O3	120,000 concepts	Derived from New Upper Model upper ontology by Michael Fleischman, influenced by Penman Upper Model (Knight et al) WordNet 2.0 (Princeton) Mikrokosmos (New Mexico State University)
	O3-SNS	270,000 senses
	O3-EN	156,000 English-language lexical items
	O3-ES	28,000 Spanish-language lexical items
Subject Domains	D	120 concepts (86,000 links)	Magnini and Cavaglià

1. WordNet 2.0. http://www.cogsci.princeton.edu/~wn/

2. Mikrokosmos. http://crl.nmsu.edu/users/sb/papers/thesis/node26.html

3. Bernardo Magnini and Gabriela Cavaglià. Integrating Subject Field Codes into WordNet. In Gavrilidou M., Crayannis G., Markantonatu S., Piperidis S. and Stainhaouer G. (Eds.) Proceedings of LREC-2000, Second International Conference on Language Resources and Evaluation, pp. 1413-1418 Athens, Greece, 31 May - 2 June, 2000. http://tcc.itc.it/research/textec/topics/disambiguation/index.html