Hitachi, Ltd.

Takaaki Yamada

Hiroyuki Kojima

Takao Arai

Hiroshi Tsuji

Hiroyuki Kimura

Isao Echizen

Yasuhiro Fujii

Yoshiaki Yoshikawa

Hirohide Haga

Maki Mori

Shuji Kitazawa

Masato Tsuchibora

Toshiyuki Yuasa

At least one kind of control signal concerning control of contents, added to specific locations inside contents data, is detected as first control information, and at the same time, at least one kind of control information concerning control of contents, embedded inside the contents data by a digital watermark, is detected as second control information. Consistency between the first control information as detected, and the second control information as detected is determined and on the basis of results of the determination, the control of the contents is executed. Thus, it is possible to reduce a possibility of the contents being improperly copied, thereby enabling the control with assurance of still higher safety.

System and method for controlling contents by plurality of pieces of control information

An information presentation apparatus includes an information organization structure editing unit, a search condition creating unit, an information collection unit, and a collection result joining unit. The editing unit prompts a user to enter plural terms and one or more relations among said terms and store them as an information organization structure. The search condition creating unit creates a search condition of information from the terms and the relations among the terms stored in the information organization structure. The information collection unit searches information storage by using the created search condition and collect location information of the data meeting the search condition. The collection result joining unit visually joins the terms and the relations among the terms stored in the information organization structure with the location information of the searched data and displays the joined result.

Information presentation apparatus and information presentation method

The present invention is directed to a map application system that employs an automatic stroll method of strolling through a virtual space into the route and distribution information change according to the interests of a user and the time of day (ie. daytime vs. nighttime, etc.). In the present invention, an article contributed to a contribution server from a contribution terminal is stored temporarily in a contribution DB. Each article is converted to information related to a spatial position by a spatial information structure process and is stored in a spatial information DB. The contribution server returns an article with the relation to the position of the neighborhood according to the input of a region name on a stroll terminal. The stroll terminal starts a stroll on the basis of a region name inputted as an initial value, and automatically sets a route on the basis of the interest information of a user. Information about the route is provided from contribution server and is appropriately displayed.

Map application system

A computer assisted learning support system includes a storage for storing therein blocks of the teaching material respectively assigned with teaching material identifiers, the blocks being attained by subdividing the teaching material according to contents thereof, and link information which represents by a pair of identifiers of a teaching material a relationship between blocks of the teaching material, a display for presenting, in a change-over manner, a screen image of the blocks of the teaching material and a screen image of the contents of the blocks of the teaching material and the link information of the blocks, an input device for inputting therefrom a selection item for one of the displayed blocks of the teaching material items in response to the display thereof and a selection item for one of the link information items in response to the presentation of the contents of the blocks and the link information, a unit responsive to the selection for the block of the teaching material for displaying the contents of the selected block and the link information thereof, and a unit responsive to the selection for the link information for displaying in accordance with the selected link information the contents of a different block of the teaching material and link information of the different block.

Computer assisted learning support system and processing method therefor

Growing community of inventors

Osaka, Japan

Takaaki Yamada