Unity: relevance feedback using user query logs

  • Authors:
  • Jignashu Parikh;Shyam Kapur

  • Affiliations:
  • Yahoo! SDC, Bangalore, India;Adchemy Inc., Palo Alto CA

  • Venue:
  • SIGIR '06 Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2006

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Abstract

The exponential growth of the Web and the increasing ability of web search engines to index data have led to a problem of plenty. The number of results returned per query is typically in the order of millions of documents for many common queries. Although there is the benefit of added coverage for every query, the problem of ranking these documents and giving the best results gets worse. The problem is even more difficult in case of temporal and ambiguous queries. We try to address this problem using feedback from user query logs. We leverage a technology called Units for generating query refinements which are shown as Also try queries on Yahoo! Search. We consider these refinements as sub-concepts which help define user intent and use them to improve search relevance. The results obtained via live testing on Yahoo! Search are encouraging.