Information provision system, specific-information generation device, and specific-information generation method

An information provision system connected to an in-home network configured by a Web terminal and a household electric appliance terminal, and comprising a first history collection device, a second history collection device, and a specific-information generation device, wherein

• the first history collection device acquires, from the Web terminal,
• first history information including an access history of the Web terminal and a network identifier of the Web terminal, and
• the second history collection device acquires, from the household electric appliance terminal,
• second history information including a manipulation history of the household electric appliance terminal, a household electric appliance terminal identifier of the household electric appliance terminal, and a network identifier of the household electric appliance terminal,
• the specific-information generation device comprises:
• a history collector that acquires the first history information from the first history collection device, and the second history information from the second history collection device;
• and
• a specific-information generator that generates specific information regarding an attribute and a preference of a user, based on the first history information and the second history information acquired in the history collector, and
• the specific-information generator
• disposes, on a map of a thesaurus prepared in advance, a first keyword obtained from the access history of the Web terminal, and a second keyword obtained from the manipulation history of the household electric appliance terminal, and
• generates first specific information, based on a single or a plurality of the second keywords having a distance smaller than a predetermined distance from a disposed position of the first keyword disposed on the map
• wherein second specific information is generated, based on the single or the plurality of the second keywords having a distance larger than or equal to the predetermined distance from the disposed position of the first keyword disposed on the map, and
• wherein the information provision system provides an external advertisement provision system with:
• the first specific information as overt attribute information, and
• the second specific information as latent attribute information.