International Journal of Computing Science and Information Technology (IJCSIT)
In commercial public cloud the cloud computing alters the model of data service outsourcing. In this paper, the authors define and solve the problem of ranked keyword search throughout cloud data. Ranked search greatly raises system usability by altering search result relevance ranking instead of sending undifferentiated results and further ensures the file retrieval accuracy. They explore the statistical measure approach i.e. relevance score, from information retrieval with focus on ranking and several components of an information retrieval system to build a searchable index.