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<Paper uid="P05-3001">
  <Title>An Information-State Approach to Collaborative Reference</Title>
  <Section position="1" start_page="0" end_page="0" type="abstr">
    <SectionTitle>
Abstract
</SectionTitle>
    <Paragraph position="0"> We describe a dialogue system that works with its interlocutor to identify objects.</Paragraph>
    <Paragraph position="1"> Our contributions include a concise, modular architecture with reversible processes of understanding and generation, an information-state model of reference, and flexible links between semantics and collaborative problem solving.</Paragraph>
  </Section>
class="xml-element"></Paper>