\ell -Diversity: Privacy Beyond \kappa -Anonymity
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Anatomy: simple and effective privacy preservation
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
M-invariance: towards privacy preserving re-publication of dynamic datasets
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Towards identity anonymization on graphs
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Knowledge and Information Systems
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As social network data contain rich information about individuals, privacy becomes a critical concern in publishing and exchanging social network data. The existing approaches for privacy-preserving social network data publishing have to modify the local structures of a network substantially which may lead to considerable loss in answering some vertex aggregate queries (e.g., analyzing the degree distribution of vertices). In this paper, we propose a graph partitioning framework to anonymize social network data against degree attacks. A distinct advantage of our approach is that the anonymized social network data can be used to answer some vertex aggregate queries accurately. An empirical study using a large real dataset clearly verifies the effectiveness of our approach.