  The Personalization of information has taken recommender systems at a very
high level. With personalization these systems can generate user specific
recommendations accurately and efficiently. User profiling helps
personalization, where information retrieval is done to personalize a scenario
which maintains a separate user profile for individual user. The main objective
of this paper is to explore this field of personalization in context of user
profiling, to help researchers make aware of the user profiling. Various
trends, techniques and Applications have been discussed in paper which will
fulfill this motto.

Information Retrieval