Journal of Theoretical and Applied Information Technology
With the rapid growth of internet technologies, the web has become the world's largest repository of knowledge. So, it is challenging task of the webmasters to organize the contents of the particular websites to gather the needs of the users. Optimized search engine is used for effectively searching keyword queries which are frequently visited by the user based on their interest. The most frequently used keyword queries are encrypted using homomorphic encryption which are semantically secured through searching mechanism.