Hitachi, Ltd.

Atsushi Kikuta

Hiroshi Yoshiura

Takashi Shinoda

Hirokazu Aoshima

Satoe Okayasu

Kazuya Uemura

Tsutomo Kato

Eiichi Kamada

Eiichi Kamata

Akihiro Youda

Authenticity output method and apparatus for outputting a verification result of authenticity based on digital data. An authenticity output method constructed by the steps of: registering information which is outputted together with the verification result of the authenticity based on the digital data into a personal table for verification; verifying the authenticity based on the digital data; and when the verification result of the authenticity based on the digital data is outputted, reading out the information registered in the personal table for verification and outputting it in accordance with the verification result. An apparatus for realizing those functions.

Authenticity output method and its apparatus, and processing program

A search service provided by an electronic data search system including a search center and at least one authorization center. The search center receives a search request from an information browsing apparatus and in response searches for URLs that are associated with a search condition included in the search request in a search database that registers URLs of Web pages, associating those URLs with respective search conditions. The search center presents the information browsing apparatus with link information to the detected URLs. When the search request also includes a condition that authorization by the authorization center be given, then URLs that are registered in the search database associated with the search condition, and registered in the authorization center are searched. Link information of detected URLs is presented to the information browsing apparatus and the authorization center registers URLs of Web pages opened by information disclosing persons who have been given authorization.

System and method of searching for electronic data

A mark management server embeds a mark ID and so on in a specified mark image in response to a mark request from a WWW server, registers information related to a Web page corresponding to this mark ID in a mark management DB, and sends the mark embedded with the information to the server. The server attaches this mark to a created Web page, and registers the Web page in a Web page DB. A client terminal acquires a Web page from the server, reads information embedded in a mark, and issues a request for a search according to the mark to the server. The server references the DB, and sends information associated with a Web page corresponding to a specified mark ID to the terminal.

Information search method and system for registering and searching for associated multimedia data using embedded information

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Kashiwa, Japan

Atsushi Kikuta