DMRS: an efficient dynamic multi-keyword ranked search over encrypted cloud data. - Lanxiang Chen; Linbing Qiu; Kuan-Ching Li; Wenbo Shi; Nan Zhang (Soft Comput., 2017)

Improving file locality in multi-keyword top-k search based on clustering. - Lanxiang Chen; Nan Zhang; Kuan-Ching Li; Shuibing He; Linbing Qiu (Soft Comput., 2018)