Evaluating Summaries and Answers: Two Sides of the Same Coin?
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چکیده
This paper discusses the convergence between question answering and multidocument summarization, pointing out implications and opportunities for knowledge transfer in both directions. As a case study in one direction, we discuss the recent development of an automatic method for evaluating definition questions based on n-gram overlap, a commonlyused technique in summarization evaluation. In the other direction, the move towards topic-oriented summaries requires an understanding of relevance and topicality, issues which have received attention in the question answering literature. It is our opinion that question answering and multi-document summarization represent two complementary approaches to the same problem of satisfying complex user information needs. Although this points to many exciting opportunities for systembuilding, here we primarily focus on implications for system evaluation.
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تاریخ انتشار 2005