Beyond lexical units: enriching wordnets with phrasets

Authors:
Luisa Bentivogli;Emanuele Pianta
Affiliations:
ITC-irst, Trento, Italy;ITC-irst, Trento, Italy
Venue:
EACL '03 Proceedings of the tenth conference on European chapter of the Association for Computational Linguistics - Volume 2
Year:
2003

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Abstract

In this paper we present a proposal to extend WordNet-like lexical databases by adding phrasets, i.e. sets of free combinations of words which are recurrently used to express a concept (let's call them recurrent free phrases). Phrasets are a useful source of information for different NLP tasks, and particularly in a multilingual environment to manage lexical gaps. Two experiments are presented to check the possibility of acquiring recurrent free phrases from dictionaries and corpora.