ISSN 1000-1239 CN 11-1777/TP
Multi-keyword Ranked Ciphertext Retrieval Scheme Based on Clustering Index
Du Ruizhong, Li Mingyue, Tian Junfeng
Journal of Computer Research and Development . 2019, (3): 555 -565 .  DOI: 10.7544/issn1000-1239.2019.20170830