Data security system and method with adaptive filter

Details Data security system and method with adaptive filter Data security system and method with adaptive filter

2004-11-26

2009-06-09

Dalencourt, Yves (Department: 2457)

Electrical computers and digital processing systems: multicomput

Distributed data processing

C709S204000, C709S206000, C709S218000, C709S219000, C709S246000, C726S026000, C726S027000, C713S166000, C713S189000

Reexamination Certificate

active

07546334

ABSTRACT:
A method, program and information processing system filters and secures data (security sensitive words-characters-data objects) in a source document. The adaptive filter uses a compilation of additional data (typically networked) and identifies the sensitive words/objects in the compilation of additional data, and retrieves contextual, semiotic and taxonomic words/objects from the compilation related to the sensitive words/objects. The resulting compiled filter is used to extract sensitive words/objects and retrieved data (words/objects) from the source document to obtain extracted data and remainder data therefrom. Contextual words, related to the security sensitive words/objects, are based upon statistical analysis of the additional data compilation. Semiotic words related words are synonyms, antonyms, and pseudonyms, syntactics relative to the target words and retrieved words, and pragmatics relative to the sensitive words and retrieved words.

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