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|Title:||Anonymizing hypergraphs with community preservation|
|Citation:||Proceedings of the 12th International Conference on Parallell and Distributed Computing, Applications and Technologies, held in Gwangju, South Korea, 20-22 October, 2011: pp.185-190|
|Conference Name:||International Conference on Parallel and Distributed Computing, Applications and Technologies (12th : 2011 : Gwangju, South Korea)|
|Yidong Li and Hong Shen|
|Abstract:||Data publishing based on hypergraphs is becoming increasingly popular due to its power in representing multirelations among objects. However, security issues have been little studied on this subject, while most recent work only focuses on the protection of relational data or graphs. As a major privacy breach, identity disclosure reveals the identification of entities with certain background knowledge known by an adversary. In this paper, we first introduce a novel background knowledge attack model based on the property of hyperedge ranks, and formalize the rank-based hypergraph anonymization problem. We then propose a complete solution in a two-step framework, with taking community preservation as the objective data utility. The algorithms run in near-quadratic time on hypergraph size, and protect data from rank attacks with almost same utility preserved. The performances of the methods have been validated by extensive experiments on real-world datasets as well.|
private data publishing
|Rights:||© 2011 IEEE|
|Appears in Collections:||Aurora harvest|
Computer Science publications
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