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<Paper uid="C94-1086">
  <Title>REFERRING TO WORLD OBJECTS WITH TEXT AND PICTURES</Title>
  <Section position="5" start_page="532" end_page="532" type="concl">
    <SectionTitle>
4 CONCLUSION
</SectionTitle>
    <Paragraph position="0"> We h~we presented a model of referring which is based on the lollowing ~Lssumptions: 1) Ment~d representations of ol2jccts may be activated not only by textural, but &amp;quot;also by graphicsd and mixed descriptions. 2) Failure ,'rod success of referring acts can be expl~fincd by the user's ability to rccognize ccrtain links between Ihcse mcnt~d representations ,-rod the corresponding object descriptions. &amp;quot;lo demonstrate that the model is of praclical use lk)r the gencration of rcfcrenccs, we have delinc.d presentation strategies for concept activation whidt scrve as operators in the plan-based presentation system WIE WIP is ablc to generate mullimedia, auaphoric attd cross-lncdia referring expressions.</Paragraph>
    <Paragraph position="1"> ACKNOWLEDGEMENTS: This work is supportcd by the BMH&amp;quot; under grant lqW8901 8. Wc would like to thank Doug Appelt lk)r wduable discussions attd comntcnls.</Paragraph>
  </Section>
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