Paper: Lexical Disambiguation: Sources Of Information And Their Statistical Realization

ACL ID P91-1048
Title Lexical Disambiguation: Sources Of Information And Their Statistical Realization
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1991
Authors
  • Ido Dagan (Technion-Israel Institute of Technology, Haifa Israel; IBM Israel Scientific Center, Haifa Israel)

Lexieal disambiguation can be achieved using differ- ent sources of information. Aiming at high perfor- mance of automatic disambiguation it is important to know the relative importance and applicability of the various sources. In this paper we classify sev- eral sources of information and show how some of them can be achieved using statistical data. First evaluations indicate the extreme importance of local information, which mainly represents lexical associ- ations and seleetional restrictions for syntactically related words. 1 Disambiguation Sources The resolution of lexical ambiguities in unrestricted text is one of the most difficult tasks of natural lan- guage processing. In machine translation we are confronted with the related task of target word se- lection - the task of deciding ...