Using WordNet to posit hierarchical structure in Levin’s verb classes Mari Broman Olsen author Bonnie J Dorr author David J Clark author 1997-oct 28 text AMTA/SIG-IL First Workshop on Interlinguas San Diego, California conference publication olsen-etal-1997-using https://aclanthology.org/1997.mtsummit-workshop.13/ 1997-oct 28 99 110