A Novel Multi-keyword Ranked Search System In encrypted and Synonym Queries supported Cloud

an enhancement we enhance the existing system and we propose the effective approach to solve the problem of multi keyword ranked search over encrypted cloud data synonym queries. The main contribution of summarized in two aspects: multi-keyword ranked search to achieve more accurate search results and synonym-based search to the support synonym queries. Meanwhile, existing search approaches over encrypted cloud data support only exact the fuzzy keyword ranked search, therefore, how to enable an effective searchable system with support of ranked search remains a very challenging the problem, but not semantics-based multi-keyword ranked search.