Augmenting lexicons automatically: clustering semantically related adjectives

Authors:
Kathleen McKeown;Vasileios Hatzivassiloglou
Affiliations:
Columbia University, New York, N. Y.;Columbia University, New York, N. Y.
Venue:
HLT '93 Proceedings of the workshop on Human Language Technology
Year:
1993

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Abstract

Our work focuses on identifying various types of lexical data in large corpora through statistical analysis. In this paper, we present a method for grouping adjectives according to their meaning, as a step towards the automatic identification of adjectival scales. We describe how our system exploits two sources of linguistic knowledge in a corpus to compute a measure of similarity between two adjectives, using statistical techniques and a clustering algorithm for grouping. We evaluate the significance of the results produced by our system for a sample set of adjectives.