Active Feedback in Ad Hoc Information Retrieval

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Active Feedback in Ad Hoc Information Retrieval (2005)

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by Xuehua Shen , ChengXiang Zhai

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BibTeX

@MISC{Shen05activefeedback,
    author = {Xuehua Shen and ChengXiang Zhai},
    title = {Active Feedback in Ad Hoc Information Retrieval},
    year = {2005}
}

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Abstract

Information retrieval is, in general, an iterative search process, in which the user often has several interactions with a retrieval system for an information need. The retrieval system can actively probe a user with questions to clarify the information need instead of just passively responding to user queries. A basic question is thus how a retrieval system should propose questions to the user so that it can obtain maximum benefits from the feedback on these questions. In this paper, we study how a retrieval system can perform active feedback, i.e., how to choose documents for relevance feedback so that the system can learn most from the feedback information. We present a general framework for such an active feedback problem, and derive several practical algorithms as special cases. Empirical evaluation of these algorithms shows that the performance of traditional relevance feedback (presenting the top K documents) is consistently worse than that of presenting documents with more diversity. With a diversity-based selection algorithm, we obtain fewer relevant documents, however, these fewer documents have more learning benefits.

Keyphrases

retrieval system active feedback ad hoc information retrieval information need iterative search process basic question special case feedback information top document empirical evaluation diversity-based selection algorithm traditional relevance feedback maximum benefit derive several practical algorithm information retrieval relevance feedback relevant document active feedback problem several interaction general framework learning benefit

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