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Knowl. Discov. Data"],"published-print":{"date-parts":[[2024,5,31]]},"abstract":"<jats:p>Data perturbation under differential privacy constraint is an important approach of protecting data privacy. However, as the data dimensions increase, the privacy budget\u00a0allocated to each dimension decreases and thus the amount of noise added increases, which eventually leads to lower data utility in training tasks. To protect the privacy of training data while enhancing data utility, we propose a Utility-aware training data Privacy Perturbation scheme based on attribute Partition and budget Allocation (UPPPA). UPPPA includes three procedures: the quantification of attribute privacy and attribute importance, attribute partition, and budget\u00a0allocation. The quantification of attribute privacy and attribute importance based on information entropy and attribute correlation provide an arithmetic basis for attribute partition and budget\u00a0allocation. During the attribute partition, all attributes of training data are classified into high and low classes to achieve privacy amplification and utility enhancement. During the budget\u00a0allocation, a \u03b3-privacy model is proposed to balance data privacy and data utility so as to provide privacy constraint and guide budget\u00a0allocation. Three comprehensive sets of real-world data are applied to evaluate the performance of UPPPA. Experiments and privacy analysis show that our scheme can achieve the tradeoff between privacy and utility.<\/jats:p>","DOI":"10.1145\/3639411","type":"journal-article","created":{"date-parts":[[2024,1,2]],"date-time":"2024-01-02T21:58:31Z","timestamp":1704232711000},"page":"1-21","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Utility-aware Privacy Perturbation for Training Data"],"prefix":"10.1145","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-9591-4031","authenticated-orcid":false,"given":"Xinjiao","family":"Li","sequence":"first","affiliation":[{"name":"School of Software, Dalian University of Technology, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3929-3598","authenticated-orcid":false,"given":"Guowei","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Software, Dalian University of Technology, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8138-6045","authenticated-orcid":false,"given":"Lin","family":"Yao","sequence":"additional","affiliation":[{"name":"DUT-RU International School of Information Science &amp; Engineering, Dalian University of Technology, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-7712-937X","authenticated-orcid":false,"given":"Zhaolong","family":"Zheng","sequence":"additional","affiliation":[{"name":"School of Software, Dalian University of Technology, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2892-1915","authenticated-orcid":false,"given":"Shisong","family":"Geng","sequence":"additional","affiliation":[{"name":"Institute of Software, Chinese Academy of Science, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2024,2,13]]},"reference":[{"key":"e_1_3_1_2_2","article-title":"Towards the science of security and privacy in machine learning","author":"Papernot Nicolas","year":"2016","unstructured":"Nicolas Papernot, Patrick McDaniel, Arunesh Sinha, and Michael Wellman. 2016. 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