PROBLEM TO BE SOLVED: To realize an effective open design.;SOLUTION: A project management part 33 generates a design project of the design request (a) upon receipt of the posting of the design request, stores the proposal in association with the design request (a plurality of proposals can be stored in association with one design request) (b) upon receipt of the posting of the proposal of a solution to the design request, generates a design frame having data structure capable of describing a series of design works and stores the generated design frame in association with the proposal (a plurality of design frames can be stored in association with one design) (c) upon receipt of a generation request of the design frame for the proposal, and (d) transmits image data for displaying correspondence relation between the design requests relating to each other and the proposal and correspondence relation between the proposals relating to each other and the design frame to a terminal device 3, and makes the terminal device 3 display these correspondence relations.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT
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