U.S. patents available from 1976 to present.
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Adaptive problem solving method and system

Patent 5870731 Issued on February 9, 1999. Estimated Expiration Date: Icon_subject January 24, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Inventors

Assignee

Application

No. 790353 filed on 01/24/1997

US Classes:

706/52, Reasoning under uncertainty (e.g., fuzzy logic)434/118, COMPUTER LOGIC, OPERATION, OR PROGRAMMING INSTRUCTION706/45, KNOWLEDGE PROCESSING SYSTEM706/927Education or instruction

Examiners

Primary: Downs, Robert W.

Attorney, Agent or Firm

Foreign Patent References

  • 2040614 CA 10/12/1991
  • 1252810 SU 08/12/1986
  • 1376272 GB 12/12/1974
  • WO 93/02622 WO 02/12/1993

International Class

G06F 015/18

Abstract

A computerized learning machine for implementing adaptive problem solving includes an information processing device, a storage device, an output device and an input device. The adaptive problem solving method is implemented by: a) retrieving from the storage device a first question; b) outputting to the output device the first question; c) receiving from the input device an answer from the user; d) assigning a fuzzy logic coefficient to the answer; e) accessing from the storage device a learning route authority to determine the identity of a second question, the determination being dependent on the fuzzy logic coefficient; and f) repeating steps a) to e) for the second question.

Other References

  • L.W. Hawkes and S.J. Derry, "Error Diagnosis and Fuzzy Reasoning Techniques for Intelligent Tutoring Systems," J. of Artificial Intelligence in Education, vol. 1(2), pp. 43-56, Dec. 1989
  • K. Hirosawa, "On-Line Management of Student Progress and Application of Fuzzy Logic," Fujitsu, 42, 5, pp. 501-506. (in Japanese and including an English Language translation), Sep. 1991
  • J. Liu, "The Use of Fuzzy Reasoning in Intelligent Computer Aided Instructional Systems," 18th Int'l. Symposium on Multiple-Valued Logic, pp. 346-351, May 1988
  • L. W. Hawkes and S.J. Dery, "Error Diagnosis and Fuzzy Reasoning Techniques for Intelligent Tutoring Systems," J. of Artificial Intelligence in Education, vol. 1(2), pp. 43-57, Dec. 1989
  • K. Yoon and C. Wang, "Authoring System for the Development of ITS," Proc. 1994 IEEE Region 10's Ninth Annual Int'l. Conf., vol. 1, pp. 97-101, Aug. 199
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