| 摘要 |
PROBLEM TO BE SOLVED: To provide a user interest estimation system configured to estimate the interest of a user accurately and to distribute predetermined information, such as advertisement, corresponding to each user, and an information distribution system.SOLUTION: A user interest estimation system refers to a context information database 3 after receiving imaging data on a commodity or a service transmitted over a network from an information terminal device 1 of a user, to acquire context information on geography or space related to the time and/or position included in the imaging data, acquires object information on the commodity or service related to the time and/or position included in the imaging data by reference to an object information database 4, and associates the context information with the object information, to generate user interest information.SELECTED DRAWING: Figure 1 |
