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An Unsupervised Approach for Detecting Group Shilling Attacks in Recommender Systems Based on Topological Potential and Group Behaviour Features.

Hongyun CaiFuzhi Zhang
Published in: Secur. Commun. Networks (2021)
Keyphrases
  • recommender systems
  • feature space
  • feature extraction
  • feature vectors
  • low level
  • user preferences
  • structural information
  • neural network
  • face recognition
  • collaborative filtering
  • feature set
  • watermarking scheme