Query change as relevance feedback in session search

  • Authors:
  • Sicong Zhang;Dongyi Guan;Hui Yang

  • Affiliations:
  • Georgetown University, Washington, DC, USA;Georgetown University, Washington, DC, USA;Georgetown University, Washington, DC, USA

  • Venue:
  • Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2013

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Abstract

Session search is the Information Retrieval (IR) task that performs document retrieval for an entire session. During a session, users often change queries to explore and investigate the information needs. In this paper, we propose to use query change as a new form of relevance feedback for better session search. Evaluation conducted over TREC 2012 Session Track shows that query change is a highly effective form of feedback as compared with existing relevance feedback methods. The proposed method outperforms the state-of-the-art relevance feedback methods for the TREC 2012 Session Track by a significant improvement of 25%.