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Method and apparatus for calculating similarity among documents App 20050021508 - Matsubayashi, Tadataka ;   et al. | 2005-01-27 |
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Method of searching similar document, system for performing the same and program for processing the same App 20030065658 - Matsubayashi, Tadataka ;   et al. | 2003-04-03 |
Method of and an apparatus for retrieiving and delivering documents and a recording media on which a program for retrieiving and delivering documents are stored App 20030004928 - Inaba, Yasuhiko ;   et al. | 2003-01-02 |
Method and search method for structured documents Grant 6,496,820 - Tada , et al. December 17, 2 | 2002-12-17 |
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Method And System For Extracting Characteristic String, Method And System For Searching For Relevant Document Using The Same, Storage Medium For Storing Characteristic String Extraction Program, And Storage Medium For Storing Relevant Document Searching Program Grant 6,473,754 - Matsubayashi , et al. October 29, 2 | 2002-10-29 |
Data display method and apparatus for use in text mining App 20020116398 - Sugaya, Natsuko ;   et al. | 2002-08-22 |
Document retrieval method and system and computer readable storage medium App 20020073065 - Inaba, Yasuhiko ;   et al. | 2002-06-13 |