Measuring the compositionality of bigrams using statistical methodologies: shared task system description

  • Authors:
  • Tanmoy Chakraborty;Santanu Pal;Tapabrata Mondal;Tanik Saikh;Sivaji Bandyopadhyay

  • Affiliations:
  • Jadavpur University;Jadavpur University;Jadavpur University;Jadavpur University;Jadavpur University

  • Venue:
  • DiSCo '11 Proceedings of the Workshop on Distributional Semantics and Compositionality
  • Year:
  • 2011

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Abstract

The measurement of relative compositionality of bigrams is crucial to identify Multi-word Expressions (MWEs) in Natural Language Processing (NLP) tasks. The article presents the experiments carried out as part of the participation in the shared task 'Distributional Semantics and Compositionality (DiSCo)' organized as part of the DiSCo workshop in ACL-HLT 2011. The experiments deal with various collocation based statistical approaches to compute the relative compositionality of three types of bigram phrases (Adjective-Noun, Verb-subject and Verb-object combinations). The experimental results in terms of both fine-grained and coarse-grained compositionality scores have been evaluated with the human annotated gold standard data. Reasonable results have been obtained in terms of average point difference and coarse precision.