Patent ID: 7305384
Filing Date: 2007-12-04
Classification: G06F,Y10S

Abstract:
1. An article of manufacture comprising computer-readable media embodying computer-readable instructions thereon configured to cause one or more processors to perform acts of: receiving information identifying a live presentation; making the information available for searching only for a duration of the live presentation; receiving information identifying a current characteristic of the live presentation, wherein the receiving comprises receiving information identifying a live presentation scheduled to occur in the future; and making the current characteristic available for searching for as long as the current characteristic describes a currently presenting portion of the live presentation, wherein the making the current characteristic available for searching comprises: adding the information identifying the current characteristic to a database of currently available live presentations; deleting the information identifying the current characteristic from the database when the characteristic no longer describes the currently presenting portion of the live presentation; receiving a user search request; and checking the database of currently available live presentations to determine, based at least in part on the current characteristic in the database, whether a currently available live presentation matches the user search request.