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<Paper uid="C04-1170">
  <Title>Kaplan, J., Cooperative Responses from a Portable</Title>
  <Section position="7" start_page="0" end_page="0" type="concl">
    <SectionTitle>
7 Perspective
</SectionTitle>
    <Paragraph position="0"> This study shows several original lexicalisation strategies in advanced, cooperative QA forms. Lexical choice, realized in the content determination phase in conjunction with the cooperative inference schemas, mainly involves the SIS, GEN, SUB, FTI and ID functions, whereas lexical variation, realized at the level of the surface realizer, along the five relations L1, L2, L3, L4 and L5, mainly involves SYN, OPP and MET, characterized by the production of lists of potential candidate words. This latter level interacts also with grammatical considerations such as aggregation (Reiter and Dale 1997) or the use of alternations.</Paragraph>
    <Paragraph position="1"> These lexicalisations require a quite advanced domain model, necessary for the development of co-operative functions, in particular a rich ontology.</Paragraph>
    <Paragraph position="2"> These functions have been tested in the WEBCOOP prototype, that cooperatively responds to queries on the WEB, on the tourism domain (accommodation and transportation).</Paragraph>
    <Paragraph position="3"> This study can be applied to open generation, on a purely conceptual representation basis, or to more restricted forms of generation, such as underspecified templates with calls to lexicalisation. Acknowledgements We thank the CNRS GDR TCAN and V'eronique Moriceau for providing us corpora and for helpful discussions. We also thank the three reviewers for their useful comments.</Paragraph>
  </Section>
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