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Canadian application, no grantCanada

Methods and apparatus for identifying related nodes in a directed graph having named arcs

CA 2501847 A1 · Owner: Britton, Colin P. · Inventors: Greenblatt, Howard; Greenblatt, Alan; Britton, Colin P.

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Abstract From the Canadian patent

The invention provides methods for identifying related data in a directed graph (e.g. an RDF data set). A "first" step-though the steps are not necessarily executed in sequential order-includes identifying (or marking) as related data expressly satisfying the criteria. A "second" step includes identifying as related ancestors of any data identified as related e.g. in , the first step, unless that ancestor conflicts with the criteria. A "third" step of the method is identifying descendents of any data identified e.g. in , the prior steps, unless that descendent conflicts with the criteria or has a certain relationship with the ancestor from which it descends. The methods generates, …

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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 October 7, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 7, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 2003
GrantedNo grant recorded
Term endedOctober 7, 2023
Patent numberCA 2501847 A1
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 7, 2003Term endedOct 7, 2023

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