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<Paper uid="P85-1033">
  <Title>A TOOL KIT FOR LEXICON BUILDING</Title>
  <Section position="2" start_page="0" end_page="0" type="intro">
    <SectionTitle>
INTRODUCTION
</SectionTitle>
    <Paragraph position="0"> Natural language processing systems need much larger lexicons than those available today. Furthermore, a good computer lexicon with semantic as well as syntactic information is elaborate and hard to construct. We have created a program which enables its user to interactively build and extend a lexicon. The program sets up a user environment similar to a simple interactive operating system; in this environment lexical entries can be produced through a small set of commands, combined with prompts specified by the user for the desired kind of lexicon.</Paragraph>
    <Paragraph position="1"> The interactive lexicon builder is being used to help construct entries for a lexicon to be used to parse and generate stroke case reports. Many terms in this medical sublanguage either do not appear in standard dictionaries or are used in the sublanguage with special meanings.</Paragraph>
    <Paragraph position="2"> The design of the lexicon builder is inuended to be general enough to make it useful for others building lexicons for large natural language processing systems involving different sublanguages.</Paragraph>
    <Paragraph position="3"> The interactive lexicon builder will be the basis for a fully automatic lexicon builder which uses Sager's Linguistic String Parser (LSP) to parse machine-readable text into a relational network based on a modified version of Werner's</Paragraph>
  </Section>
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