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<Paper uid="H93-1072">
  <Title>AN OVERVIEW OF DR-LINK AND ITS APPROACH TO DOCUMENT FILTERING</Title>
  <Section position="3" start_page="0" end_page="358" type="intro">
    <SectionTitle>
2. OVERVIEW
</SectionTitle>
    <Paragraph position="0"> DR-LINK's system architecture is modular in design, with six processing modules, each of which enhance the document and query representation in terms of continual semantic enrichments to the text. Briefly overviewed, the system's six modules function as follows: 1.The Subiect Field Coder uses semantic word knowledge to produce a summary-level topical vector representation of a document's contents that is matched to a vector representation of a topic statement in order to rank all documents for subject-based similarity to a query. All of the documents with their Subject Field Code vectors are passed to:</Paragraph>
  </Section>
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