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Question-answering, relevance feedback and summarisation : TREC-9 interactive track report

Alexander, N. and Brown, C. and Jose, J.M. and Ruthven, I. and Tombros, A. (2000) Question-answering, relevance feedback and summarisation : TREC-9 interactive track report. In: Proceedings of the Ninth Text Retrieval Conference (TREC-9), 2000-11-13 - 2000-11-16.

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In this paper we report on the effectiveness of query-biased summaries for a question-answering task. Our summarisation system presents searchers with short summaries of documents, composed of a series of highly matching sentences extracted from the documents. 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.