Boots – shoes – and leggings
Patent
1990-06-06
1992-08-18
Anderson, Lawrence E.
Boots, shoes, and leggings
3642821, 3642524, G06F 1540
Patent
active
051406926
ABSTRACT:
A document retrieval system retrieves a registered document from a document database responsive to a designated retrieval condition including one or a plurality of designated keywords. The document retrieval system includes a storage for storing keyword relationships which indicate relationship values of keywords and relations of the keywords and registered documents, an input part for designating a retrieval condition including one or plurality of designated keywords, where the retrieval condition determines a registered document which is to be retrieved from the storage, a selector for selecting a plurality of keyword relationships based on the retrieval condition and for converting the selected keyword relationships into analog signals, an analog operation circuit for calculating a relevance of document based on the analog signals, and a converter for converting the calculated relevance of document into a digital value.
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patent: 4872008 (1989-10-01), Ohsuka et al.
patent: 5010478 (1991-04-01), Deran
Tsuji, et al., "Software Common knowledge IR System SOCKS (2)", The 35th National Conference of the Information Processing Society, 1987.
"Computer Assisted Prior Art Searching", by Becker et al., Journal of the Patent Office Society, Oct. 1983, pp. 536-561.
Anderson Lawrence E.
Ricoh & Company, Ltd.
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