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- Title
Ensuring User Privacy and Model Security via Machine Unlearning: A Review.
- Authors
Yonghao Tang; Zhiping Cai; Qiang Liu; Tongqing Zhou; Qiang Ni
- Abstract
As an emerging discipline, machine learning has been widely used in artificial intelligence, education, meteorology and other fields. In the training of machine learning models, trainers need to use a large amount of practical data, which inevitably involves user privacy. Besides, by polluting the training data, a malicious adversary can poison the model, thus compromising model security. The data provider hopes that the model trainer can prove to them the confidentiality of the model. Trainer will be required to withdraw data when the trust collapses. In the meantime, trainers hope to forget the injected data to regain security when finding crafted poisoned data after the model training. Therefore, we focus on forgetting systems, the process of which we call machine unlearning, capable of forgetting specific data entirely and efficiently. In this paper, we present the first comprehensive survey of this realm. We summarize and categorize existing machine unlearning methods based on their characteristics and analyze the relation between machine unlearning and relevant fields (e.g., inference attacks and data poisoning attacks). Finally, we briefly conclude the existing research directions.
- Subjects
MACHINE learning; RIGHT to be forgotten; ARTIFICIAL intelligence; PRIVACY; DATA security; POISONS
- Publication
Computers, Materials & Continua, 2023, Vol 77, Issue 2, p2645
- ISSN
1546-2218
- Publication type
Article
- DOI
10.32604/cmc.2023.032307