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This paper deals with the "ubiquitous personal agent" that distinctively provides information services to the individual user depending on his/her personal contexts. In this paper details about this agent technology as well as its effectiveness are discussed. The latter has been confirmed by verification tests using home information appliances already(More)
In a dynamic environment, even if an agent makes a plan to obtain a goal, the environment might change while the agent is executing the plan. In that case, the plan, which was initially valid when it was made, might later become invalid. Furthermore, in the process of replan-ning, it is necessary to take into account the side effects of actions already(More)
The concept of a smart community has recently been attracting great attention as a means of utilizing energy effectively. One of the modules constituting the smart community is an intelligent transportation system, in which various sensors track movements of people and vehicles in real time to optimize migration pathways or means. Social media have the(More)