Yahoo Japan Corporation

Nara Machinery Co., Ltd.

Takashi Tashiro

Naoki Ito

Kenji Hamada

Shinichiro Sega

Fumiaki Tanabe

Shumpei Okura

The extraction device according to the present application includes an acquisition unit and an extraction unit. The acquisition unit acquires behavior histories of users being candidates to whom content is to be distributed. The extraction unit extracts target users expected to perform specified behavior, based on a behavior history designated by a content provider, of the behavior histories acquired by the acquisition unit. For example, the extraction unit uses a model for determining the degree of similarity between a user performing the specified behavior and a target user expected to perform specified behavior based on the behavior history designated by the content provider in order to extract the target users.

Extraction device, extraction method, and non-transitory computer readable storage medium

An advertisement distribution management apparatus in an embodiment includes a distribution management unit. The distribution management unit selectively executes a first operating mode selecting a distribution source apparatus of advertising content for an advertisement request from among the advertisement distribution apparatuses on the basis of a given condition and a second operating mode defining a specific advertisement distribution apparatus as the distribution source apparatus from among the advertisement distribution apparatuses depending on a user making the advertisement request. The distribution management unit further divides the users into a plurality of groups, and performs an assignment process assigning a plurality of time periods shifted from one another within a given period of time to the respective groups as the time periods of the second operating mode.

Advertisement distribution management apparatus, advertisement distribution system, and advertisement distribution management method

A crushing and particle sizing apparatus for granular material in which the particle size can be controlled without the use of a screen or similar apparatus. A gap region is formed as a particle size adjusting region which allows particles suited to the gap setting to pass. Particles not suited to the gap setting are brought into rotational contact with a rotating body and crushed to the suited gap setting.

Growing community of inventors

Tokyo, Japan

Takashi Tashiro