An advertisement distribution method, where an advertisement distribution management device is provided which is connected through a communication network to an advertisement distributor terminal that is used by an advertisement distributor who requests distribution of an advertisement and a user terminal that is used by the user who reads a communication site with an advertisement inserted thereon, and a specific advertisement is inserted on a communication site screen to be read by a user through the network,
- said method comprising:
- associating exposure ratio variation information in an exposure ratio variation information database, with the advertisement and the advertisement distribution request information received in an advertisement distribution request accepting section, said variation information increasing an exposure ratio of said advertisement, to store the variation information;
- previously mutually associating and storing communication site information and information of the number of a plurality of insertion frames for advertisements to be inserted on the communication site screen in a site information database;
- mutually associating and storing an advertisement the distribution of which is requested advertisement distribution request information at least including category information that shows sections where this advertisement is categorized in an advertisement distributor information database;
- and
- storing user information at least including user identification information and category information that shows sections where an advertisement the distribution of which is approved by the user is categorized in a user information database,
- receiving in a communication site reading requirement accepting section a requirement for reading a communication site including the user identification information which was transmitted from the user terminal;
- acquiring site information in response to reception of the requirement for reading said communication site, to acquire in acquirement of an advertisement insertion number specifying section information of the number of the plurality of insertion frames for advertisements to be inserted on said communication site screen with reference to said site information database;
- acquiring in a category extracting section the user identification information from the reading requirement received in the communication site reading requirement accepting section, and further, the category extracting device extracts category information based upon this identification information with reference to said user information database;
- determining in a category determining section one piece of category information out of the category information extracted in said category extracting section;
- allocating unique numbers to a plurality of pieces of category information extracted in the category extracting section and repeating determination of category information out of those numbers by the use of random numbers in accordance with the number of the plurality of advertisement insertion frames specified in said advertisement insertion number specifying section, to determine category information as an object to be displayed in accordance with the number of the plurality of advertisement insertion frames, wherein said category determining section repeats determination of category information in accordance with the number of levels of the category information, and the levels are determined
- by the number of advertisement insertion frames which determine one of the categories where advertisements the distribution approved by the user are categorized, and
- by the exposure ratio variation information which determines one of the advertisements out of the advertisements that belong to the determined category;
- determining in an advertisement determining section one advertisement out of advertisements that belong to the category information determined in the category determining section with reference to the advertisement distributor information database after determination of the category information;
- acquiring all advertisements belonging to said category information determined in said category determining section per each of said determined advertisement insertion frames with reference to said advertisement distributor information database after determination of the category information in said category determining section, and also increases the probability of selection of advertisement information in accordance with the exposure ratio variation information set with respect to the advertisement with reference to said exposure ratio variation information database, so as to select and determine an advertisement to be displayed, wherein said advertisement distributor information database hierarchically stores the category information received according to levels of the category information in the advertisement distribution request accepting section;
- transmitting the advertisement determined in the advertisement determining section from an advertisement distributing section to the user terminal along with the information of the communication site the reading of which is required;
- and
- receiving in a communication site displaying section the communication site information and the advertisement which were transmitted from the advertisement distribution management device, and further, the communication site displaying section displays a site screen with this advertisement inserted thereon.