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<Paper uid="P91-1007">
  <Title>A TRIPARTITE PLAN-BASED MODEL OF DIALOGUE</Title>
  <Section position="6" start_page="52" end_page="53" type="relat">
    <SectionTitle>
5 Related Work
</SectionTitle>
    <Paragraph position="0"> Ramshaw\[Ram91\] has developed a model of discourse that contains a domain execution level, an exploration level, and a discourse level. In his model, discourse plans can refer either to the exploration level (corresponding to queries about possible ways of achieving a goal) or to the domain exe-If I decide to get a BA degree, then I'll take French to meet the foreign language requirement.</Paragraph>
    <Paragraph position="1"> In the above case, the speaker is still exploring a plan for getting a BA degree, but has committed to taking French to satisfy the foreign language requirement should the plan for the BA degree be adopted. It does not appear that Ramshaw's model  can handle such contingent commitment. This enrichment of our problem-solving level may necessitate changes to our focusing heuristics.</Paragraph>
  </Section>
class="xml-element"></Paper>