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ACTIVE LEARNING USING A DISCRIMINATIVE CLASSIFIER AND A GENERATIVE MODEL TO DETECT AND/OR PREVENT MALICIOUS BEHAVIOR

  • US 20090099988A1
  • Filed: 10/12/2007
  • Published: 04/16/2009
  • Est. Priority Date: 10/12/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • automatically classifying each of multiple entries into one of multiple categories using a multi-class classifier;

    collecting entries that are ambiguously classified;

    collecting entries that do not fit a model of the automatically classified category of the entry;

    ranking collected entries;

    selecting at least some of the collected entries based on the ranking;

    presenting at least some of the selected entries to a human analyst for labeling;

    receiving an indication of a category from the human analyst for each of at least some of the presented entries; and

    improving the multi-class classifier and one or more models based on the indicated labels.

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