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TRAIL LOG ANALYSIS SYSTEM, MEDIUM STORING TRAIL LOG ANALYSIS PROGRAM, AND TRAIL LOG ANALYSIS METHOD

  • US 20130117294A1
  • Filed: 12/19/2012
  • Published: 05/09/2013
  • Est. Priority Date: 06/30/2010
  • Status: Active Grant
First Claim
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1. A trail log analysis system, comprising:

  • a processor to realize functions comprising;

    an information development unit configured to define as comparison targets a subject, an object, and an action in a trail log of an information system, count an event occurrence number for each time zone corresponding to a event occurrence time recorded on a trail log to be analyzed which has last collected for each combination of the comparison targets, and generate an information development table;

    an accumulation unit configured to generate an accumulative information development table by accumulating the information development table corresponding to a trail log recorded previously and up to a time point immediately before the last collected trail log to be analyzed; and

    a comparison unit configured to compare the information development table with the accumulative information development table, and output a comparison result.

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