An Evaluation of Community Detection Algorithms on Large-Scale Email Traffic

Provided by: Chalmers University of Technology
Topic: Security
Format: PDF
Community detection algorithms are widely used to study the structural properties of real-world networks. In this paper, the authors experimentally evaluate the qualitative performance of several community detection algorithms using large-scale email networks. The email networks were generated from real email traffic and contain both legitimate email (ham) and unsolicited email (spam). They compare the quality of the algorithms with respect to a number of structural quality functions and a logical quality measure which assesses the ability of the algorithms to separate ham and spam emails by clustering them into distinct communities.

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