Unisys: description of the Unisys system used for MUC-3

نویسندگان

  • Carl Weir
  • Timothy W. Finin
  • Robin McEntire
  • Barry Silk
چکیده

This paper describes the Unisys MUC-3 text understanding system, a system based upon a three tiered approach to text processing in which a powerful knowledge-based form of information retrieval plays a central role . This knowledge-based form of information retrieval makes it possible to define a n effective level of text analysis that falls somewhere between what is possible with standard keyword-base d information retrieval techniques and deep linguistic analysis .

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تاریخ انتشار 1991