Improving the efficiency of data retrieval in secure cloud

Abstract

Cloud computing allows much more efficient computing by centralizing storage, memory, procession and bandwidth. The data is stored in off-premises and accessing this data through keyword search. Traditional keyword search was based on plaintext keyword search. But for protecting data privacy the sensitive data should be encrypted before outsourcing. One of the most popular ways is selectively retrieve files through keyword-based search instead of retrieving all the encrypted files back. Present methods are focusing on the fuzzy keyword search and which efficiently search and retrieve the data in most secure and privacy preserved manner. The existing system uses single fuzzy keyword searching mechanism. A conjunctive/sequence of keyword search mechanism will retrieve most efficient and relevant data files. The conjunctive/sequence of keyword search automatically generates ranked results so that the searching flexibility and efficiency will be improved. © 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering.