A system, software and method for locating information in a collection of text-based information sources
CA 2250694 A1 · Owner: Arad, Iris · Inventors: Levi, Yuval; Arad, Iris; Margulis, Haim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for processing information contained in a collection of text-based information sources employs associative and linguistic expansion of input words in which associative expansion is first performed followed by , simultaneous linguistic expansion in accordance with related morphological and phonetic rules. The system automatically generates and updates a linguistic knowledge base for each language to be processed by analyzing a large body of text in each language. The system also automatically indexes the collection of text-based information sources to be searched. A method is provided to expand a word or term in a supported language using a two-dimensional (2D) expansion …
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 April 4, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2019.
- 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.