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<Paper uid="P98-2232">
  <Title>Combination of an Automatic and an Interactive Disambiguation Method</Title>
  <Section position="2" start_page="0" end_page="0" type="intro">
    <SectionTitle>
1 Introduction
</SectionTitle>
    <Paragraph position="0"> In natural language processing, many methods have been proposed to solve the ambiguity problems(Nagao and Maruyama, 1992). One of those technique uses interactions with users, because it is difficult to make all the knowledge for disambiguation beforehand. That technique is classified into two types according to the condition of executing user interaction. One type(TypeA) is that the disambiguation system executes interactions(Blanchon et al., 1995), (Maruyama and Watanabe, 1990), (Yalnaguchi et al., 1995). Another type(TypeB) is that users executes interactions(D.Brawn and Nirenburg, 1990), (Muraki et al., 1994). In thispaper, TypeA will be adopted because TypeB gives users more trouble than TypeA does. For example, in TypeB, a user may have to find where is wrongly analyzed in input sentences.</Paragraph>
    <Paragraph position="1"> In TypeA, the two following conditions must be determined: (1) when should interactive disambiguation be executed? (2) which ambiguous words should be disambiguated when more than one alnbiguous word exist in a sentence? Considering the accuracy of tile analyzed result, they should be decided by both the accuracy of the interactive disambiguation and that of tile autolnatic disambiguation. The traditional lnethods did not considered the accuracy of the interactive disambiguatiom For instance, the accuracy of the analyzed result may decrease in spite of executing the user interaction if the accuracy of the interactive disaml)iguation is low.</Paragraph>
    <Paragraph position="2"> In this paper, we propose the method to combine the interactive disambiguation and the automatic one, considering each accuracy. The method allows the disambiguation system to maximize the accuracy of the analyzed result. This paper focuses on the anabiguity caused by ambiguous words that have more than one mealfing. Section 2 represents preconditions for disamlfiguation. In Section 3, we descrihe the condition of executing the interactive disambiguation. Section 4 shows the procedure that decides the order of disamhiguation. The performance of the lnethod is discussed by the result of the sinmlation under assumhlg the both accuracy of the interactive disambiguation and the autolnatic one.</Paragraph>
  </Section>
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