Rule-driven guidance and feedback system
CA 2327191 A1 · Owner: Tsang, Kwong · Inventors: Khuwaja, Ramzan A.; Chan, Yumman; Tsang, Kwong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reasoning model for a guidance and feedback system includes a decision graph built by an author, to reflect a defined knowledge base. The decision graph includes nodes having rules to define links, or transitions to other nodes in the graph. Nodes may be question nodes recommendation nodes, or cross-sell nodes. Question nodes determine system user characteristics by direct interrogation or, by indirect access to information about the user. Recommendation nodes are associated with, question nodes and may be either final or interim. Cross-sell nodes provide information to a user, that is not directly related to the defined knowledge base. A rule engine traverses the graph and fires, …
Read the whole patent
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
- Filed November 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.