Estimating linear models for compositional distributional semantics

  • Authors:
  • Fabio Massimo Zanzotto;Ioannis Korkontzelos;Francesca Fallucchi;Suresh Manandhar

  • Affiliations:
  • University of Rome "Tor Vergata";University of York;University of Rome "Tor Vergata" and Università Telematica "G. Marconi";University of York

  • Venue:
  • COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics
  • Year:
  • 2010

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Abstract

In distributional semantics studies, there is a growing attention in compositionally determining the distributional meaning of word sequences. Yet, compositional distributional models depend on a large set of parameters that have not been explored. In this paper we propose a novel approach to estimate parameters for a class of compositional distributional models: the additive models. Our approach leverages on two main ideas. Firstly, a novel idea for extracting compositional distributional semantics examples. Secondly, an estimation method based on regression models for multiple dependent variables. Experiments demonstrate that our approach outperforms existing methods for determining a good model for compositional distributional semantics.