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<Paper uid="P98-2241">
  <Title>A Preliminary Model of Centering in Dialog*</Title>
  <Section position="6" start_page="1476" end_page="1476" type="concl">
    <SectionTitle>
6 Conclusions and Future work
</SectionTitle>
    <Paragraph position="0"> We conclude that centering behavior in dialog is consistent with that found in monolog. However, the utility of our preliminary models is questionable. By revising our Model 1, we believe a useful model of centering in dialog can be built.</Paragraph>
    <Paragraph position="1"> This study indicates many promising directions for future research. Some we intend to pursue are: * Evaluate the models using other criteria, e.g.</Paragraph>
    <Paragraph position="2"> improved pronoun resolution.</Paragraph>
    <Paragraph position="3"> * Experiment with alternate C f orderings and improve the semantic theory to include entities referred to by personal pronouns, associations and ellipsed entities in Cf.</Paragraph>
    <Paragraph position="4"> * Modify utterance boundaries to re-attach interrupted utterances or use Kameyama's proposal for 'center update units' (1998).</Paragraph>
  </Section>
class="xml-element"></Paper>