International Journal of Engineering Trends and Technology
Data owners outsource their complex data management systems from local sites to commercial public space for great flexibility and economic savings. However, the sensitive data should be kept extremely private from the users. Thus, every datum is needed to be encrypted before outsourcing the data. Also, the search and utilization of the outsourced data should be easier. An effective data retrieval need is met with the server, which performs result relevant ranking to give back the most relevant information.