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FRAUDAR: Bounding Graph Fraud in the Face of Camouflage
Bryan Hooi
Video in druga učna gradiva
Oznake: computer science;data science
Given a bipartite graph of users and the products that they review, or followers and followees, how can we detect fake reviews or follows? Existing fraud detection methods (spectral, etc.) try to identify dense subgraphs of nodes that are sparsely connected to the remaining graph. Fraudsters can eva ...
Leto: 2016 Vir: videolectures.net
Št. zadetkov: 1
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