Townsend and Townsend and Crew LLP
Information system and data access method
A data access method in an information system including a plurality of data utilization systems connected to a network N1, and a plurality of data provision systems connected to a network, wherein a data utilization system transmits a request for utilizing data in a data provision system to another data utilization system P2 through the network N1, the data utilization system, upon receipt of the data utilization request, transmits a processing execution request corresponding to the data utilization request to the data provision system through the network N2, the data provision system, upon receipt of the execution request, executes processing corresponding to this execution request and transmits necessary data to the data provision system through the network, and the data provision system receives the data and stores the same.
Hitachi, Ltd.
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Y10S H04L Y10S Y10S H04L Y10S H04L H04L
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Shoichi Takanobu Yasuharu Norifumi Hirotaka
Minami Otani Namba Nishikawa Mizuno