Evolving new lexical association measures using genetic programming

Authors:
Jan Šnajder;Bojana Dalbelo Bašić;Saša Petrović;Ivan Sikirić
Affiliations:
University of Zagreb, Zagreb, Croatia;University of Zagreb, Zagreb, Croatia;University of Zagreb, Zagreb, Croatia;University of Zagreb, Zagreb, Croatia
Venue:
HLT-Short '08 Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics on Human Language Technologies: Short Papers
Year:
2008

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Abstract

Automatic extraction of collocations from large corpora has been the focus of many research efforts. Most approaches concentrate on improving and combining known lexical association measures. In this paper, we describe a genetic programming approach for evolving new association measures, which is not limited to any specific language, corpus, or type of collocation. Our preliminary experimental results show that the evolved measures outperform three known association measures.