Lexical Query Paraphrasing for Document Retrieval

Ingrid Zukerman,Bhavani Raskutti

Published 2002 in International Conference on Computational Linguistics

ABSTRACT

We describe a mechanism for the generation of lexical paraphrases of queries posed to an Internet resource. These paraphrases are generated using WordNet and part-of-speech information to propose synonyms for the content words in the queries. Statistical information, obtained from a corpus, is then used to rank the paraphrases. We evaluated our mechanism using 404 queries whose answers reside in the LA Times subset of the TREC-9 corpus. There was a 14% improvement in performance when paraphrases were used for document retrieval.

PUBLICATION RECORD

  • Publication year

    2002

  • Venue

    International Conference on Computational Linguistics

  • Publication date

    2002-08-24

  • Fields of study

    Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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