Seung Wok Han

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Ubiquitous computing environment involves a variety of devices of different capabilities. Here middleware takes a crucial role for efficiently coordinating the components and providing proper services. In this paper we propose a new middleware architecture called HOMEROS, which allows high flexibility by adopting a hybrid-network model and dynamically(More)
Nowadays, the agent grouping paradigm receives a great attention by the multi-agent system(MAS) developers. Meanwhile, the existing agent development tools do not effectively support agent grouping. In this paper we propose a new agent platform architecture with which agent groups can be dynamically created, deleted, and federated with other groups. We also(More)
The context-aware services require to efficiently perceive not only the user requirements but also the context of the environment to provide customized services to the user. To efficiently develop the context-aware applications a systematic methodology correctly specifying the relation among dynamically changing contexts is essential. Here the context model(More)