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<Paper uid="J88-3006">
  <Title>TAILORING OBJECT DESCRIPTIONS TO A USER'S LEVEL OF EXPERTISE</Title>
  <Section position="18" start_page="0" end_page="0" type="ackno">
    <SectionTitle>
ACKNOWLEDGMENTS
</SectionTitle>
    <Paragraph position="0"> Many thanks go to Kathleen McKeown and Michael Lebowitz for their help in both the research and the writing of this paper, and to TjoeLiong Kwee for his work on the functional grammar. We also thank the anonymous reviewer for his/her useful comments.</Paragraph>
    <Paragraph position="1"> This research was supported in part by the Defense Advanced  our results are minimized. We studied about 15 examples from each encyclopedia and textbook and a few from the manuals.</Paragraph>
    <Paragraph position="2"> 2. We are using McKeown's notation: &amp;quot;{}&amp;quot; indicate optionality, &amp;quot;/&amp;quot; alternatives, &amp;quot;+&amp;quot; that the item may appear 1 or more times, and &amp;quot;*&amp;quot; that the item may appear 0 or more times. Finally, &amp;quot;;&amp;quot; is used to indicate that the propositions could not be clearly classified as corresponding to one predicate. We changed McKeown's schema slightly, by adding the identification predicate as an option for the first predicate of the schema.</Paragraph>
    <Paragraph position="3"> 3. The original entry was in one paragraph only. We divided it into three paragraphs for clarity. More details about this analysis are given in Paris (1985).</Paragraph>
    <Paragraph position="4"> 4. The original entry contained two paragraphs. The second one has been divided for clarity.</Paragraph>
    <Paragraph position="5"> 5. Research in reading comprehension indicates that readers indeed use their previous knowledge in order to understand new texts (Anderson et al. 1977; Wilson and Anderson 1986).</Paragraph>
    <Paragraph position="6"> 6. Some parts do not play an important part on the mechanical process associated with the object. For example, the housing of the telephone does not have an important role in the functionality of the telephone. Such a part would not be involved in one of the causal links contained in the knowledge base.</Paragraph>
    <Paragraph position="7"> 7. We do not claim that this is the optimal value for the threshold indicating at which point the constituency schema should be used. This threshold cannot be set with certitude without further experimentation. Also note that, while these heuristics allow the system to generate reasonable descriptions given the user's domain knowledge, there is no clear &amp;quot;best&amp;quot; descriptions. 8. We have mentioned that there are different kinds of links between events. The types of links are ranked in order of importance, and the most important ones are mentioned. There are actually different types of side-links. These are not indicated in the figure for simplicity. The reader is referred to Pads (1987) for details.</Paragraph>
  </Section>
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