| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow a user to purchase programs and components provided from a variety of providers after checking functions and performance of the programs and enjoy maintenance support for the programs. <P>SOLUTION: An interface server 14 accepts applications for registering program components, information on components and demonstration programs. When a purchasing server 18 requires execution of the demonstration programs of the program components given attention to purchase by the user, a demonstration environment server 44 executes the specified demonstration programs and presents execution results, etc., to the server 18. <P>COPYRIGHT: (C)2003,JPO |
