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<Paper uid="C96-1059">
  <Title>A Corpus Study of Negative Imperatives in Natural Language Instructions*</Title>
  <Section position="3" start_page="346" end_page="346" type="intro">
    <SectionTitle>
2 Related work on Negative
</SectionTitle>
    <Paragraph position="0"/>
    <Section position="1" start_page="346" end_page="346" type="sub_section">
      <SectionTitle>
Imperatives
</SectionTitle>
      <Paragraph position="0"> While instructional text has sparked much interest in both the semantics/pragmatics community and the computational linguistics community, little work on preventative expressions, and in particular on negative imperatives, has been done.</Paragraph>
      <Paragraph position="1"> This lack of interest in the two coinmunities has been in some sense complementary.</Paragraph>
      <Paragraph position="2"> In semantics and pragmatics, negation has been extensively studied (cf. Itorn (1989)). hnperarives, on the other hand, have not (for a notahle exception, see Davies (1986)).</Paragraph>
      <Paragraph position="3"> In computational linguistics, on the other hand, positive imperatives have been extensively investigated, both from the point of view of interpretation (Vere and Bickmore, 1990; Alterman et al., 1991; Chapman, 1991; Di Eugenio, 1993) and generation (Mellish and Evans, 1989; McKeown et al., 1990; Paris et al., 1995; Vander Linden and Martin, 1995). Little work, however, has been (tirected at negative imt)eratives. (for exceptions see the work of Vere and Bickmore (1990) in interpretation and of Ansari (1995) in generation).</Paragraph>
    </Section>
  </Section>
class="xml-element"></Paper>