Using search-logs to improve query tagging

  • Authors:
  • Kuzman Ganchev;Keith Hall;Ryan McDonald;Slav Petrov

  • Affiliations:
  • Google, Inc.;Google, Inc.;Google, Inc.;Google, Inc.

  • Venue:
  • ACL '12 Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Short Papers - Volume 2
  • Year:
  • 2012

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Abstract

Syntactic analysis of search queries is important for a variety of information-retrieval tasks; however, the lack of annotated data makes training query analysis models difficult. We propose a simple, efficient procedure in which part-of-speech tags are transferred from retrieval-result snippets to queries at training time. Unlike previous work, our final model does not require any additional resources at run-time. Compared to a state-of-the-art approach, we achieve more than 20% relative error reduction. Additionally, we annotate a corpus of search queries with part-of-speech tags, providing a resource for future work on syntactic query analysis.