KΘ-affinity privacy: Releasing infrequent query refinements safely.

Information Processing & Management（2015）

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摘要

•A new affinity-based k-anonymity model that leverages query refinement patterns.•A novel notion of generalized graph k-cores.•A link between k-anonymity and k-cores.•A novel evaluation test based on sensitive and non-sensitive queries.•A comparison between k-anonymity under affinity and under WordNet generalization.

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关键词

kΘ-affinity privacy,Search log anonymization,Semantic k-anonymity,n-grams,Graph k-cores,Query expansion

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