| 摘要 |
<p>PROBLEM TO BE SOLVED: To allow broadcast contents desired by a viewer to be viewed by acquiring information on a viewer's interest and preference which is utilized by both a sending side and a receiving side of the information. SOLUTION: An interactive data broadcast system for servicing contents, wherein access frequency is acquired and processed (access history data generation/accumulation unit 31) as access history data to the contents desired by a viewer by using physical quantity representing the contents, and the access history data is filtered by polling from the transmission side (a transmitter 1) for collection, so that a problem of congestion in an incoming channel in the interactive system of large scale such as broadcast is reduced, a trend of desired contents is grasped, and changing of transmission frequency of data to be transmitted is controlled by the transmission side. Furthermore, particular contents are preferentially received by the receiving side (a receiver 2) in accordance with the data.</p> |
