Rakuten, Inc.

Akio Taniuchi

Asami Ando

An advertisement delivery systemincludes an information manager, a timing information retriever, a selection determiner, and a selection handling processor. When switching between images displayed in a partial area on a web page is performed, the information manager keeps information about a pre-switching image even after the switching. The timing information retriever retrieves the timing of the switching and the timing of a selection operation by a user on the area. When the timing information retriever retrieves the timing of the selection operation within a predetermined time length after the switching, the selection determiner makes a determination as to which of the pre-switching image and a post-switching image the selection operation is intended for. Based on the determination, the selection handling processor performs a selection handling process based on information about the pre-switching image or the post-switching image.

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Tokyo, Japan

Akio Taniuchi