Spam characterization and detection in peer-to-peer file-sharing systems

  • Authors:
  • Dongmei Jia;Wai Gen Yee;Ophir Frieder

  • Affiliations:
  • Illinois Institute of Technology, Chicago, IL, USA;Illinois Institute of Technology, Chicago, IL, USA;Illinois Institute of Technology, Chicago, IL, USA

  • Venue:
  • Proceedings of the 17th ACM conference on Information and knowledge management
  • Year:
  • 2008

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Abstract

Spam is highly pervasive in P2P file-sharing systems and is difficult to detect automatically before actually downloading a file due to the insufficient and biased description of a file returned to a client as a query result. To alleviate this problem, we first characterize spam and spammers in the P2P file-sharing environment and then describe feature-based techniques for automatically detecting spam in P2P query result sets. Experimental results show that the proposed techniques successfully decrease the amount of spam by 9% in the top-200 results and by 92% in the top-20 results.