3. The method of claim 1 , wherein in addition to judging the commonality of judgments about a search result, the method further comprises judging the commonality of text in queries submitted in the different search sessions.
3. The method of claim 1 , wherein in addition to judging the commonality of judgments about a search result, the method further comprises judging the commonality of text in queries submitted in the different search sessions. 4. The method of claim 3 wherein the strength of commonality of the pair of sessions is based at least in part on whether the pair of sessions had the same or a similar query.