Building a class-based verb Iexicon using TAGs

Department of Computer and Information Sciences University of Pennsy!vania 200 South 33rd Street Philadelphia, PA 19104, USA { ki pper,htd,schuler,mpalmer}@linc.cis.upenn.edu We present a class-based approach to building a verb lexicon that makes explicit the close relation between syntax and semanrics for Levin classes. We have used a Lexicalized Tree Adjoining Grammar to capture the syntax associated witfi P.ach verb class and have added semantic predicates to each tree, which allow for a compositional inte1pre1u::.::::.