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<Paper uid="C90-2060">
  <Title>HOW TO INVERT A NATURAL LANGUAGE PARSER INTO AN EFFICIENT GENERATOR: AN ALGORITHM FOR LOGIC GRAMMARS</Title>
  <Section position="9" start_page="0" end_page="0" type="ackno">
    <SectionTitle>
ACKNOWLEDGMENTS
</SectionTitle>
    <Paragraph position="0"> Ralph Grishman, Ping Peng and other members of the Natural Language Discussion Group provided valuable comments to earlier versions of this paper.</Paragraph>
    <Paragraph position="1"> s It should be noted that recursive clauses are never used for literal expansion during interclausal ordering, and that literals are not moved to or from recursive clauses, although argument lists of recursive literals may be affected by literals being moved elsewhere. This paper is based upon work supported by the Defense Advanced Research Project Agency under Contract N00014-85-K-0163 from the Office of Naval Research.</Paragraph>
  </Section>
class="xml-element"></Paper>