Yuji Horikoshi

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Recent advances in the wireless communication and mobile telecommunications have made mobile commerce possible. In the retail business under the evolving market, the users solicit continuously to utilize the appropriate services based on their preferences and situations. In addition, the service providers insist on seizing the current requirements of the(More)
The extreme dynamism and the rapidly changing user's requirements in current information systems promote imperative needs for the Autonomous Community Information System (ACIS) proposition. ACIS is a decentralized architecture that forms a community of individual end-users (community members) having the same interests and demands in somewhere, at specified(More)
In recent years, information services in accordance with users' preference, utilization place and time are required. Considering the local majority, which consists of users who have shared preferences or are in similar situations, autonomous community system is proposed to provide services according to the requirements of the local majority. In this(More)
In recent years, information services in accordance with users' preference, utilization place and time are required more and more. Autonomous Decentralized Community System (ADCS) has been proposed to provide services for a Local Majority, which consists of users who have similar preferences or are in a similar situation. ADCS network consists of many(More)