A Survey on Privacy Assurance in Personalized Web Search

Web search engine is a portal for ordinary people to access required information from the, but generic web search provides the same results to different users for the same query. To overcome this drawback, personalized web search (PWS) develops which provides tailored results to the particular user based on his interest and preferences. For this purpose user information has to be collected and analyzed to find out the intention behind the query. However, the major barrier to the wider use of PWS is a user unwillingness to reveal their private information. Security mechanism should be provided by search engine so that users ensures for its privacy. For minimizing this privacy risk, different techniques will be discussed in this paper.