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<Paper uid="C96-1059">
  <Title>A Corpus Study of Negative Imperatives in Natural Language Instructions*</Title>
  <Section position="8" start_page="350" end_page="350" type="concl">
    <SectionTitle>
7 Conclusions
</SectionTitle>
    <Paragraph position="0"> This paper has detailed a corpus study of preventative expressions in instructional text. The study highlighted correlations between flmctional features and grammatical form, tim sort of correlations usefld in I)oth interpretation and generation. Studies such as this have been done before in Computational Linguistics, although not, to our knowledge, on preventative expressions. The point we want to emphasise here is a methodological one. Only recently have studies been making use of more rigorous statistical measures of accuracy and reproducibility used here. We have found the Kappa statistic critical in the definition of the features we coded (see Section 4.4).</Paragraph>
    <Paragraph position="1"> We intend to augment and refine the list; of features discussed here and hope to use them in understanding applical;ions as well as generation applications. We, also intend to extend the analysis to ensurative ext)ressions.</Paragraph>
  </Section>
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