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南京理工大学计算机科学与工程学院,江苏 南京210094
[ "刘晓迁(1989-),女,河北保定人,南京理工大学博士生,主要研究方向为数据挖掘、机器学习与隐私保护等。" ]
[ "李千目(1979-),男,江苏南京人,博士,南京理工大学教授、博士生导师,主要研究方向为信息安全、传感网技术、智能决策与数据挖掘等。" ]
网络出版日期:2016-05,
纸质出版日期:2016-05-15
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刘晓迁, 李千目. 基于聚类匿名化的差分隐私保护数据发布方法[J]. 通信学报, 2016,37(5):125-129.
Xiao-qian LIU, Qian-mu LI. Differentially private data release based on clustering anonymization[J]. Journal on communications, 2016, 37(5): 125-129.
刘晓迁, 李千目. 基于聚类匿名化的差分隐私保护数据发布方法[J]. 通信学报, 2016,37(5):125-129. DOI: 10.11959/j.issn.1000-436x.2016100.
Xiao-qian LIU, Qian-mu LI. Differentially private data release based on clustering anonymization[J]. Journal on communications, 2016, 37(5): 125-129. DOI: 10.11959/j.issn.1000-436x.2016100.
基于匿名化技术的理论基础,采用DBSCAN聚类算法对数据记录进行聚类,实现将个体记录匿名化隐藏于一组记录中。为提高隐私保护程度,对匿名化划分的数据添加拉普拉斯噪声,扰动个体数据真实值,以实现差分隐私保护模型的要求。通过聚类,分化查询函数敏感性,提高数据可用性。对算法隐私性进行证明,并实验说明发布数据的可用性。
Based on the theory of anonymization
the DBSCAN method was applied to divide all the data records into different groups to cover individuals.To provide priv enhancement
the Laplace noise was added to the anonymized partitioned data to perturb the real value of data record so that the requirements of differential privacy model were satis-fied.With the clustering operation
the sensitivity of the query function has been partitioned to improve data utility.The proof of privacy has been given and experimental results have been provided to evaluate the utility of the released data.
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