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<Paper uid="W02-1816">
  <Title>WSD and Closed Semantic Constraint</Title>
  <Section position="2" start_page="0" end_page="0" type="intro">
    <SectionTitle>
1 Introduction
</SectionTitle>
    <Paragraph position="0"> As the underlying resource of semantic analysis, the most important descriptions in a semantic lexicon are the relationships between verbs and nouns, which usually comes down to the closed semantic constraint of each argument of any verb. Once the structure of the semantic lexicon is determined, the closed semantic constraint becomes a well-defined problem.</Paragraph>
    <Paragraph position="1"> Example 1.1 The verb dVa has many meanings in Chinese, which differ in dVa h'aizi (punish the child), dVa m'aoy-i (weaver the sweater), dVa ji`angy'ou (buy the soy), etc. Actually, the semantics of dVa is distinguished by the semantics of its arguments.</Paragraph>
    <Paragraph position="2"> Different from the traditional lexicon, we advocate the conception of dynamic lexicon ([15]) and its evolution oriented to some particular application, which will be mentioned in Section 2. The WordNet-like lexicon is treated as a dynamic one, which means that the structures representing semantic knowledge could be changed according to some empirical standards. In the next section, we'll define the WSD based on the WordNet-like lexicon, and then discuss the training of concept TagSet and the statistical model of WSD. By the statistical WSD, in Section 4, we introduce an approach to the automatic construction of the closed [?]This paper is supported by National Foundation of Natural Science (Research on Chinese Information Extraction), No. 69483003 and Project 985 in Peking University.</Paragraph>
    <Paragraph position="3"> semantic constraints in a WordNet-like lexicon.</Paragraph>
    <Paragraph position="4"> The last section is the conclusion.</Paragraph>
  </Section>
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