A study on the use of summaries and summary-based query expansion for a question-answering task

I. Ruthven, A. Tombros, J.M. Jose, U. Thiel (Editor), N. Fuhr (Editor)

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Abstract

In this paper we report an initial study on the effectiveness of query-biased summaries for a question answering task. Our summarisation system presents searchers with short summaries of documents. The summaries are composed of a set of sentences that highlight the main points of the document as they relate to the query. These summaries are also used as evidence for a query expansion algorithm to test the use of summaries as evidence for interactive and automatic query expansion. We present the results of a set of experiments to test these two approaches and discuss the relative success of these techniques.
Original languageEnglish
Pages1-14
Number of pages13
Publication statusPublished - 6 Apr 2001
Event23rd BCS European Annual Colloquium on Information Retrieval Research (ECIR 2001) - Darmstadt, Germany
Duration: 4 Apr 20016 Apr 2001

Conference

Conference23rd BCS European Annual Colloquium on Information Retrieval Research (ECIR 2001)
CityDarmstadt, Germany
Period4/04/016/04/01

Keywords

  • query-biased summaries
  • query expansion
  • algorithm
  • information retrieval
  • searching

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