Information processing apparatus, information processing method, and program

An information processing apparatus comprising:

• a first database that stores a term cluster in which terms, in the form of words, appearing in documents accessible via a network are grouped based on appearance frequencies of the terms in the documents;
• a term extraction section that extracts each term from a viewing document being viewed by a user;
• a second database that stores an appearance frequency of each extracted term appearing on a service providing site, which provides a commercial product, service, or information via the network, in association with an appearance frequency of the term appearing in the first database with respect to the documents accessible via the network;
• and
• a service providing site identifying section that identifies a service providing site associated with the viewing document based on the appearance frequency of each extracted term in the first database with respect to the documents accessible via the network.

An information processing method comprising:

• generating a first database that stores a term cluster in which terms, in the form of words, appearing in documents accessible via a network are grouped based on appearance frequency;
• extracting each term from a viewing document being viewed by a user;
• generating a second database that stores an appearance frequency of each extracted term appearing on a service providing site, which provides a commercial product, service, or information via the network, in association with an appearance frequency of each term appearing in the first database with respect to the documents accessible via the network;
• and
• identifying a service providing site associated with the viewing document based on the appearance frequency of each extracted term in the first database with respect to the documents accessible via the network.