Patents Assigned to 1215627 Ontario Inc.
  • Knowledge-based information retrieval system
    Patent number: 5822743
    Abstract: A method and system for assisting a user in solving a new problem case within a selected domain, such as a complex apparatus.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: October 13, 1998
    Assignee: 1215627 Ontario Inc.
    Inventors: Kalyan Moy Gupta, Alan Mark Langley, John Yen Ching