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<Paper uid="C96-1084">
  <Title>Bridging Textual Ellipses</Title>
  <Section position="8" start_page="500" end_page="500" type="concl">
    <SectionTitle>
7 Conclusion
</SectionTitle>
    <Paragraph position="0"> We have outlined a model of textual ellipsis resolution.</Paragraph>
    <Paragraph position="1"> It conskters conceptual criteria to be o1' primary importance and provides linkage constraints for role paths in a terminological knowledge base in order to assess the plausibility of possible, antecexlents as proper bridges (Clark, 1975) to elliptical expressions. In addition, futtctional information structttre constraints contribute further restrictkms on proper elliptical antecedents.</Paragraph>
    <Paragraph position="2"> Tim particular advantage of our approach lies in the integrated treatment of textual ellipsis within a single coherent grmnmar lormat that integrates linguistic and conceptual criteria in terms of general constraints.</Paragraph>
    <Paragraph position="3"> The ellipsis handler has been implemented in Smalltalk as part of a comprehensive text parser lot German. Besides the intormation technology domain, expcriments with ottr parser have also been successfully run on medical domain texts, thus indicating that the heuristics we have been developing arc not bound to a particular domain, The current lexicon contains a hierarchy of approximately 100 word class specilications with nearly 3.000 lexical entries and col responding concept descriptions available from the LOOM knowledge representation system (MacGregor &amp; Bates, 1987) --- 800 and 500 concept/role spccifications for the inlormation technology and medicine domain, respectively.</Paragraph>
    <Paragraph position="4"> Acknowledgments. We would like to fllank our colleagues in tim CPSZ9 r group for fmitfifl discussions. This work has been funded by LGFG Baden-Wiirttemberg (M. Stuff)e).</Paragraph>
    <Paragraph position="5"> Katja Markert is supported by a grant from DFG within the Freiburg University Graduate Program on &amp;quot;tluman and Ar. tificial Intelligence&amp;quot;. We also gratefully acknowledge tim provision of tim LOOM system f:mm USC/ISI.</Paragraph>
  </Section>
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