5. The method of claim 3 wherein reranking the plurality of references to web pages using social information further comprises computing a similarity between the plurality of references to web pages with a plurality of terms and a plurality of users with a plurality of terms.
5. The method of claim 3 wherein reranking the plurality of references to web pages using social information further comprises computing a similarity between the plurality of references to web pages with a plurality of terms and a plurality of users with a plurality of terms. 6. The method of claim 5 wherein computing a similarity between the plurality of references to web pages with a plurality of terms and a plurality of users with a plurality of terms comprises computing a dot product of a dimensional vector representing the plurality of references to web pages with the plurality of terms and a dimensional vector representing the plurality of users with the plurality of terms.