Rule-based data retrieval method and apparatus
CA 1269460 C · Owner: Fairchild Semiconductor Corporation · Inventors: Brunvand, Erik Lee; Davis, Alan Lynn; Robinson, Ian Nevill
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A memory system and method for the storage and retrieval of sequences of symbols which may be used to represent rules in artificial intelligence systems. The stored data sequences consist of a plurality of symbols, each symbol belonging to one of three classes constants, variables, or delimiters. Stored data sequences are retrieved by the apparatus of the present invention in response to a query sequence which consists of a plurality of symbols belonging to the same three classes as the symbols comprising the stored data sequences. A stored data sequence is retrieved in response to a given query sequence if the two sequences can be made identical by replacing each variable element appearing …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.