PROBLEM TO BE SOLVED: To provide an access person characteristic conjecture system conjecturing a characteristic of an access person with high accuracy, and a provision content control system controlling a content providing in a Web page accessed by the access person characteristic conjecture system.;SOLUTION: An access person characteristic conjecture system 2 conjecturing a characteristic based on a cookie 42 added to a browser 41 that an access person uses is provided. A content control system 1 defining at least one of costs regarding a content provided based on the characteristic conjectured by the access person characteristic conjecture system 2 and its provision is provided.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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