Ranking multilingual documents using minimal language dependent resources

  • Authors:
  • G. S. K. Santosh;N. Kiran Kumar;Vasudeva Varma

  • Affiliations:
  • International Institute of Information Technology, Hyderabad, India;International Institute of Information Technology, Hyderabad, India;International Institute of Information Technology, Hyderabad, India

  • Venue:
  • CICLing'11 Proceedings of the 12th international conference on Computational linguistics and intelligent text processing - Volume Part II
  • Year:
  • 2011

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Abstract

This paper proposes an approach of extracting simple and effective features that enhances multilingual document ranking (MLDR). There is limited prior research on capturing the concept of multilingual document similarity in determining the ranking of documents. However, the literature available has worked heavily with language specific tools, making them hard to reimplement for other languages. Our approach extracts various multilingual and monolingual similarity features using a basic language resource (bilingual dictionary). No language-specific tools are used, hence making this approach extensible for other languages. We used the datasets provided by Forum for Information Retrieval Evaluation (FIRE) for their 2010 Adhoc Cross-Lingual document retrieval task on Indian languages. Experiments have been performed with different ranking algorithms and their results are compared. The results obtained showcase the effectiveness of the features considered in enhancing multilingual document ranking.