Summarizing and clustering to classify documents conceptually
CA 2451693 A1 · Owner: Danke, Michael J. · Inventors: Pietrzak, Julie J.; Smierciak, Edward L.; Chow, Amy W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for searching a computerized network of databases (100) containing documents uses a web crawler. The web crawler is provided with conceptual guidelines before searching. The invention summarizes source content (300) and performs text clustering (31) on the summaries (304) to produce classifications (330). The text clustering is performed using seeds based on the conceptual guidelines. The classifications are then provided (34) through a user interface (510) to a user alont with a query entry to search the classifications and to direct the user to one or more fo the classifications, so that the user is directed to the classifications (and hyperlinks to the …
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 August 13, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2024.
- 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.