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In the ubiquitous environment, when a user obtains services from a domain and goes between domains, there is a need to move freely and have services provided continuously. Also, the service provider wants to authenticate a user easily. But a serious problem exists: How can a user's personal information be protected and how can a user control their information? In this paper, we propose a system to...
A unified compact model to predict the performance degradation of a circuit due to the electrical gate oxide stress is developed and verified by experimental results. Hot carrier injection (HCI), off-state (OS), and Fowler-Nordheim (FN) degradations can be described by a single formula which models the trap generation over the stress time and voltage. With the proposed model, the propagation delay...
Aquatic plants are very important and essential inhabitants in a small or large scale ecosystem. With the increasing interest in the natural environment and the progress of IT-related technology, there has been a great demand for an aquatic plant information system supporting intuitive user interface and location-free accessibility. In this paper, we present a portable information bank system that...
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