Privacy Protection in Personalized Web Search using Homomorphic Encryption

Abstract- Personalized web search (PWS) has showed its effectiveness in improving the quality of search services on the Internet. However, evidences show that users ’ fear to disclose their private information during search has become a major barrier for the wide proliferation of PWS. Here we are introducing the concept of Homomorphic encryption to encrypt the server such a way that an eavesdropper nor an untrusty admin could access the search words and the profile. It is less complex and more efficient than the UPS framework. Index Terms- Privacy protection, personalized web search, utility, risk, profile. I