[7] [7] SATHISH KUMAR G, PREMALATHA K, UMA MAHESHWARI G, et al. No more privacy concern: a privacy-chain based homomorphic encryption scheme and statistical method for privacy preservation of user's private and sensitive data[J]. Expert Systems with Applications, 2023(234): 121071. DOI: 10.1016/j.eswa.2023.121071.

[8] [8] REN Yongjun, HUANG Ding, WANG Wenhai, et al. BSMD: a blockchain-based secure storage mechanism for big spatio-temporal data[J]. Future Generation Computer Systems, 2023(138): 328-338. DOI: 10.1016/j.future.2022.09.008.

[9] [9] WANG Mengzhu, LIU Junze, LUO Ge, et al. Smooth-guided implicit data augmentation for domain generalization[J]. IEEE Transactions on Neural Networks and Learning Systems, 2024, 36(3): 4984-4995. DOI: 10.1109/TNNLS.2024.3377439.

[10] [10] YANG Zhigang, CAO Xia, WANG Honggang, et al. VRIL: a tuple frequency-based identity privacy protection framework for metaverse[J]. IEEE Journal on Selected Areas in Communications, 2024, 42(4): 933-947. DOI: 10.1109/JSAC.2023.3345425.

[11] [11] PAN Meihong, XIN Hongyi, SHEN Hongbin. Semantic-based implicit feature transform for few-shot classification[J]. International Journal of Computer Vision, 2024, 132(11): 5014-5029. DOI: 10.1007/s11263-024-02113-8.

[12] [12] SNCHEZ D, MARTNEZ S, DOMINGO-FERRER J. Comment on "unique in the shopping mall: on the reidentifiability of credit card metadata"[J]. Science, 2016, 351(6279): 1274. DOI: 10.1126/science.aad9295.

[13] [13] BECKER B, KOHAVI R. UCI machine learning repository[Z]. 1996.