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Canadian application, no grantCanada

A system and method for mining data from a database using relevance networks

CA 2383549 A1 · Owner: Children'S Medical Center Corporation · Inventors: Kohane, Isaac S.; Butte, Atul Janardhan

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Abstract From the Canadian patent

Described are a system and method for mining data in databases to discover significant relationships among variables in the data. An association is established between each pair of variables. From the data the strength of the , each association is calculated. Correlation coefficients can determine the strength of the associations. In another embodiment the strength of each , association is computed according to mutual information. These calculated strengths are evaluated according to a predetermined criterion. All associations that satisfy the criterion are included in one or more relevance networks. Each relevance network is displayed to provide a pictorial view of the relevant …

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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

  • Filed September 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 1, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 1, 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.
FiledSeptember 1, 2000
GrantedNo grant recorded
Term endedSeptember 1, 2020
Patent numberCA 2383549 A1
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedSep 1, 2000Term endedSep 1, 2020

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.