International Journal of Computer Applications Technology and Research
Web 3.0 is the upcoming phase in web evolution. Web 3.0 will be about "Feeding the user information that they want, when they want it" i.e. personalization of the web. In web 3.0 the basic principle is linking, integrating and analyzing data from various data sources into new information streams by means of semantic technology. So, the user can say that web 3.0 comprises of two platforms semantic technologies and social computing environment. Recommender system is a subclass of decision support system. Recommendations in social web are used to personalize the web.