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<Paper uid="W04-1807">
  <Title>Detecting semantic relations between terms in definitions</Title>
  <Section position="7" start_page="0" end_page="0" type="concl">
    <SectionTitle>
5 Conclusions
</SectionTitle>
    <Paragraph position="0"> Our experiment tried to link the semantic relation inherent to different kinds of definitions with the marker (the heart of our lexico-syntactic patterns) and more specifically with the lexico-syntactic patterns at the origin of the extraction of the definition itself. Having a close look at some of the markers, we can observe that some linguistic items can be very reliable markers for definition extraction associated with a semantic relation. We can also find out that the polysemy of some markers is related to the domain of the corpus. In that respect, the reusability of the lexico-syntactic patterns is limited to a set of markers which were found to be reliable across our two corpora. What is more problematic is the fact that it is sometimes not possible to make a specific distinction between different semantic relations detected with the same marker in the context of definitions sharing most of their syntactic contexts. But most of the patterns retrieve a good rate of defining sentences, some patterns being more reliable than others; and the more numerous the markers involved, the more likely it is that we have a definition. And usually these patterns retrieve definitions following one main semantic relation (this is not the case however for parenthesis and the patterns involving the marker &amp;quot;a savoir&amp;quot;). This leads to the hypothesis that if lexico-syntactic patterns may not be used to propose semantic relations that are valid across different domains, they remain agoodclueforminingdefinitions, especiallydefini-CompuTerm 2004 - 3rd International Workshop on Computational Terminology 61 tions of one type of semantic relation inside a given domain. Moreover, given a new corpus, applying the existing patterns to a sub-corpus could lead to the elicitation of the associated semantic relations for that corpus, which could be a relevant methodology to discover pairs of terms following these associated relations.</Paragraph>
  </Section>
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