42. The method of claim 37 , wherein said temporal characteristics are determined in part based on search behavior observed for other users.
42. The method of claim 37 , wherein said temporal characteristics are determined in part based on search behavior observed for other users. 44. The method of claim 42 further including a step: performing a verification step by querying members of a social networking site located near a site of such event to confirm a current event state determined for said first event.