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<Paper uid="W06-0707">
  <Title>Sydney, July 2006. c(c)2006 Association for Computational Linguistics DUC 2005: Evaluation of Question-Focused Summarization Systems</Title>
  <Section position="2" start_page="0" end_page="0" type="abstr">
    <SectionTitle>
Abstract
</SectionTitle>
    <Paragraph position="0"/>
    <Section position="1" start_page="0" end_page="0" type="sub_section">
      <SectionTitle>
The Document Understanding Conference
</SectionTitle>
      <Paragraph position="0"> (DUC) 2005 evaluation had a single useroriented, question-focused summarization task, which was to synthesize from a set of 25-50 documents a well-organized, fluent answer to a complex question. The evaluation shows that the best summarization systems have difficulty extracting relevant sentences in response to complex questions (as opposed to representative sentences that might be appropriate to a generic summary). The relatively generous allowance of 250 words for each answer also reveals how difficult it is for current summarization systems to produce fluent text from multiple documents.</Paragraph>
    </Section>
  </Section>
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