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<Paper uid="N03-3001">
  <Title>Semantic Language Models for Topic Detection and Tracking</Title>
  <Section position="9" start_page="90" end_page="90" type="ackno">
    <SectionTitle>
Acknowledgments
</SectionTitle>
    <Paragraph position="0"> I would like to thank Prof. James Allan for motivating the idea of exploiting semantic information for TDT and Victor Lavrenko for his valuable comments. I am also grateful to the anonymous reviewers for their very insightful comments and suggestions. This work was supported in part by the Center for Intelligent Information Retrieval and in part by SPAWARSYSCEN-SD grant numbers N66001-99-1-8912 and N66001-02-1-8903. Any opinions, ndings and conclusions or recommendations expressed in this material are the author's and do not necessarily re ect those of the sponsor.</Paragraph>
  </Section>
class="xml-element"></Paper>