<?xml version="1.0" standalone="yes"?>
<Paper uid="P04-3018">
  <Title>Resource Analysis for Question Answering</Title>
  <Section position="3" start_page="0" end_page="0" type="relat">
    <SectionTitle>
2 Related Work
</SectionTitle>
    <Paragraph position="0"> More and more QA systems are using the Web as a resource. Since the Web is orders of magnitude larger than local corpora, redundancy of answers and supporting passages allows systems to produce more correct, confident answers (Clarke et al., 2001; Dumais et al., 2002). (Lin, 2002) presents two different approaches to using the Web: accessing the structured data and mining the unstructured data. Due to their complementary nature of these approaches, hybrid systems are likely to perform better (Lin and Katz, 2003).</Paragraph>
    <Paragraph position="1"> Definitional questions (&amp;quot;What is X?&amp;quot;, &amp;quot;Who is X?&amp;quot;) are especially compatible with structured resources such as gazetteers and encyclopedias.</Paragraph>
    <Paragraph position="2"> The top performing definitional systems (Xu et al., 2003) at TREC extract kernel facts similar to a question profile built using structured and semi-structured resources: WordNet (Miller et al., 1990),</Paragraph>
  </Section>
class="xml-element"></Paper>