Patent ID: 7248830

Claim:
A program-related contents generation/presentation method of generating and presenting program-related contents to be distributed to a portable terminal from a program video and program-related information that is relevant to the program video along the progress of a broadcasting program, the method comprising: a step of generating the program-related contents which generate the program-related contents based on a tree structure of the program video and program-related information defined in advance; a presentation yardstick calculation step of calculating presentation parameters for various information of leaf nodes in the tree structure of the program-related contents generated at the program-related contents generation step, by using significance that reflects users' preferences set in advance and freshness that shows levels of freshness of the information, and sorting the leaf nodes based on the calculated values of the presentation parameters to obtain presentation yardsticks; a presentation candidate selection step of selecting leaf nodes in the tree structure of the program-related contents as presentation candidates for each user in the order of the presentation yardsticks calculated at the presentation yardstick calculation step based on a viewing data quantity that has been set as a viewing request by each user in advance; and a presentation scenario generation step of generating a presentation route that follows the leaf nodes of the presentation candidates starting from the root of the tree structure based on how to trace the subordinates nodes, as a presentation scenario for each user.