| 摘要 |
A method for detecting an outlier in a communication network, which comprises providing a first plurality of objects associated with a plurality of users, classifying this first plurality of objects in accordance with one or more pre-determined classification parameters. Based on the classifications, associating each of the first plurality of objects with at least one group selected from among a second plurality of groups, so that each group out of the second plurality of groups, comprises objects that have essentially similar classification parameters. Then, associating objects belonging to at least two of the second plurality of groups with one or more pre-determined characterization parameters and identifying outlier objects in the at least two of the second plurality of groups.
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