Patent ID: 7117253

Claim:
An information management system for management of streaming content delivered via a network, comprising: a server computer including a streaming server which, on receiving a request to acquire streaming content varying with time after starting to provide the streaming content, transmits along with the streaming content a synchronization file defining information to be synchronized with the streaming content and a synchronization reference time serving as a basis for displaying the information defined in the synchronization file and representing an elapsed time since start of delivery of the streaming content; and a local computer including streaming content reproducing means, the streaming content reproducing means outputting the request for acquisition of the streaming content, reproducing the streaming content transmitted thereto in response to the request, and outputting, in synchronism with the streaming content, a request for acquisition of information defined in the synchronization file by using as a basis the synchronization reference time transmitted thereto from the streaming server to trace back from a start time of the reproducing by the streaming content reproducing means.