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<Paper uid="C94-2186">
  <Title>EXPLOITING REFERENCE INTERACTION IN RESOLVING TEMPORAL REFERENCE</Title>
  <Section position="7" start_page="1143" end_page="1143" type="concl">
    <SectionTitle>
5 CONCLUSION
</SectionTitle>
    <Paragraph position="0"> This paper has made a twofold contribution to research on temporal reference resolution. First, an account of the role played by the reference interaction in resolving temporal reference is given. As stated in see. 2, existing models cannot account for how the process of resolving nominal reference affects the process of resolving temporal reference since they do not explain the reference interaction. Second, it is shown that exploiting the reference interaction clarifies how a restricted set of world knowledge (knowledge of the temporal relationships between eventualities and the existential status of individuals) contributes to the resolution process. As stated in see. 2, existing models resort to the entire set of causality knowledge. I do not entirely deny the validity of the existing approach.</Paragraph>
    <Paragraph position="1"> However, when a restricted set of world knowledge is sufficient to resolve temporal reference, immediate recourse to the entire set of world knowledge of causality can be avoided. A framework is also presented, within which temporal reference is resolved by exploiting the reference interaction.</Paragraph>
    <Paragraph position="2"> Future work will first extend the framework to deal with eventualities specified by various tense morphemes, whereas this paper focuses on eventualities specified by the past-tense morpheme &amp;quot;ta&amp;quot;. Next, to explore the notion of reference interaction in more detail, the way resolving temporal reference affects the resolution of nominal reference must be investigated, whereas this paper concentrates on the converse process. Finally, the coverage of this framework must be evaluated. Evaluation will require an exhaustive listing of possible cases of the existential status of individuals that are used to resolve reference. This paper accounts for cases where an individual exists at a certain space-time location of the physical world. We can allow for other kinds of existential status, such as a status where an individuM exists in the mental state of a dialogue participant. 11</Paragraph>
  </Section>
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