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<Paper uid="P87-1027">
  <Title>The Derivation of a GrammaticaUy Indexed Lexicon from the Longman Dictionary of Contemporary English</Title>
  <Section position="6" start_page="198" end_page="198" type="concl">
    <SectionTitle>
5 Conclusion
</SectionTitle>
    <Paragraph position="0"> Practical natural language applications require vocabularies substantially larger than those typically developed for theoretical or demonstration purposes and hand crating these is often not feasible, and certainly never desirable. The ev-Muation of the LDOCE grammar coding system suggests that it is sufficiently detailed nd accurate (for verbs) to make the on-llne production of the syntactic component of lexical entries both viable and labour saving. However, the less than 100% accuracy of the code assignments in the source dictionary suggests that a system using the machine-readable version for lexicon development must embody a methodology allowing rapid, interactive and semi-automatic generation and testing of lexicM entries on a large scale.</Paragraph>
    <Paragraph position="1"> We have outlined a lexicon development environment, which embodies a practical approach to using an existing MRD for the construction of a substantial computerised lexicon. The system splits the deriva~ tion of target lexical entries into two phases; an automatic transformation of the source data into a formMised lexical template containing as much relevant information as can be derived (directly or indirectly), followed by semi-automatic correction and refinement of this template into a set of base and irregular target entries.</Paragraph>
  </Section>
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