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<Paper uid="W97-1508">
  <Title>Lexical Resource Reconciliation in the Xerox Linguistic Environment</Title>
  <Section position="9" start_page="59" end_page="59" type="concl">
    <SectionTitle>
5 Summary
</SectionTitle>
    <Paragraph position="0"> While GWB provides a self-contained environment for work in syntactic theory exploration, XLE is intended for production grammar development for parsing and generation. It must therefore provide for the careful integration of externally--created morphological and lexical resources. These resources cannot be used directly because they typically contain errors or are otherwise inconsistent with the needs of grammar developers.</Paragraph>
    <Paragraph position="1"> XLE contains several mechanisms for reconciling external resources with grammar-specific lexical and syntactic requirements. XLE allows the grammar writer to assemble effective tokenizers and morphological analyzers by combining externallyprovided components with locally-developed ones. These combinations are expressed with the finite-state calculus, many of whose operations are simulated at run-time. XLE also allows the grammar writer to obtain effective LFG lexical definitions by means of edit entries that combine information from various external sources with manually coded and default definitions. These extensions to the original GWB specifications have proven extremely helpful in our large*scale grammar development efforts.</Paragraph>
  </Section>
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