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<Paper uid="C00-1020">
  <Title>A Client/Server Architecture for Word Sense Disambiguation</Title>
  <Section position="2" start_page="0" end_page="0" type="intro">
    <SectionTitle>
1 Introduction
</SectionTitle>
    <Paragraph position="0"> This paper describes the implementation of an on-line lexical semantic disambiguation system for English within a client/server linguistic application.</Paragraph>
    <Paragraph position="1"> This system allows to select the meaning of a word given its context of appearance in a text segment, and addresses the general problem of Word Sense Disambiguation (WSD), (Ide et a190), (Gale et al.</Paragraph>
    <Paragraph position="2"> 92), (Gale et al. 93), (Leacock et al.93), (Yarowsky 95), (Ng et al. 96), (Resnik et al. 97), (Vdronis et al.</Paragraph>
    <Paragraph position="3"> 98) and (Wilks et al. 98).</Paragraph>
    <Paragraph position="4"> The basic idea of the semantic disambiguation system described here is to use a dictionary, in our case, the Oxford-Hachette bilingual dictionary (OHFD), (Oxford 94), a bilingual English/French French/English dictionary designed initially for humans but stored in SGML format, in order to extract a semantic disambiguation rule database. The dictionary is in effect used as a semantically tagged corpus.</Paragraph>
    <Paragraph position="5"> Once the semantic disambiguation database is available, it becomes, as well as a dictionary and an ontology, a resoume used by the server to perform WSD on new input. A linguistic strategy was implemented in order to select the best matching disambiguation rule in a given context.</Paragraph>
    <Paragraph position="6"> This implementation is a follow-up of the Semantic Dictionary Lookup (SDL) aheady implemented in this client/server system (Aimelet 98) and o1' the methods proposed in (Dini et al. 98) and (Dini et al. 99). The originality of our implementation lies in the rule selection strategy for application as well as in the use of the client/server characteristics to perform WSD. After a brief presentation of the client/server characteristics, we examine the implementation of the WSD system. Then we describe the results obtained after evaluation of the system, and finally we conclude with the description of its applications and perspectives.</Paragraph>
  </Section>
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