Patent ID: 7882526

Claim:
A program information retrieval system in which a broadcast receiving terminal that receives a broadcast program and a resolver server that provides program information attached with an identifier peculiar to each broadcast program are connected through a communication network, the broadcast receiving terminal comprising: a local storing unit that stores the program information; a taste-information acquiring unit that acquires taste information of a user; a program-information requesting unit that requests, on the basis of the taste information, the resolver server to provide program information; a program-information receiving unit that receives the program information transmitted from the resolver server; and a program-information updating unit that continuously updates the program information on a plurality of dates after the broadcast program has concluded, wherein the resolver server includes a master storing unit that stores the program information, a program-information-request receiving unit that receives a request for program information based on the taste information from the broadcast receiving terminal, a program-information extracting unit that extracts program information matching the taste information from the master storing unit using the identifier, and a transmitting unit that transmits the program information extracted from the master storing unit to the broadcast receiving terminal.