D2P: Distance-Based Differential Privacy in Recommenders

Summary: Distance-based differential privacy for recommender systems. D2P builds AlterEgo profiles by distance-aware item substitutions, delivering strong privacy guarantees while preserving recommendation utility; evaluated on MovieLens and Jester against private and non-private baselines. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 11197
Venue: VLDB
Year: 2015
Pagerank: -
Overall Rank: 13,394 | 6.82%
DOI: -

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