To solve the problem that it is difficult to keep the secret of know-how stored inside a research and development institution when such know-how is provided for the outside by utilizing the conventional sales system of digital contents and to provide technology capable of providing the outside with the know-how.
A provided contents controlling apparatus 100, when a use request of an application program is received from an information service requesting device 120, transmits a start-up request of an old version permitted to be started up by a voluntary member to a contents providing apparatus 110 when the contents of a utilization qualification variable indicate a trial utilization member, transmits a start-up request of the latest trial version permitted to be started up by a trial use member to the contents providing apparatus 110 when the contents of the utilization qualification variable indicate the trial use member and transmits a start-up request of the latest formal version that is permitted to be started up by a regular member to the contents providing apparatus 110 when the contents of the utilization qualification variable indicate the regular member.
AKAHORI MASAHIRO
FUKUDA KATSUHISA
YOSHIDA TAKAHIRO
| JPH0997227A | 1997-04-08 | |||
| JPH11212913A | 1999-08-06 | |||
| JPH11328051A | 1999-11-30 | |||
| JPH09114783A | 1997-05-02 |
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