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DLPData Loss Prevention Apparatus and method for multiple column keyword pattern matching for precise detection of loss in Data Loss Prevention system
DLPData Loss Prevention Apparatus and method for multiple column keyword pattern matching for precise detection of loss in Data Loss Prevention system
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机译：用于多列关键字模式匹配的DLPData Loss Prevention设备和方法，用于精确检测Data Loss Prevention系统中的损失
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摘要
According to the present invention, a multiple column keyword pattern matching apparatus is an apparatus for matching multiple column keyword patterns consisting of multiple rows and multiple columns with respect to a given text. The multiple column keyword pattern matching apparatus comprises: a multiple keyword matching unit for generating a keyword matching result including text location information in the given text of a searched keyword, as a keyword matching result corresponding to the searched keyword, by searching for keywords included in the multiple column keyword patterns while scanning the given text; a matching result window update unit for adding the generated keyword matching result to a matching result window that is defined as a predetermined range, and if a difference between a text location of an existing keyword matching result included in the matching result window and a text location of the generated keyword matching result exceeds the predetermined range, deleting the existing keyword matching result from the matching result window; and a matching state table update unit for updating the number of matches of the added keyword matching result and the number of matches of the deleted keyword matching result with respect to a matching state table which maintains the number of matches of keyword matching results included in the matching result window.
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