Tatsumi Takagi

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This paper is concerned with a cyber-infrastructure arising in eddy current based nondestructive evaluation system for nuclear power plants. The system consists of an inspection module, a computational module and a communication interface module which can visualize useful information through interaction between the inspection module and the computational(More)
There have been a large amount of research on topic tracking and detecting bursts in topics. However, there has been little research on predicting bursts in the future. We propose a method for predicting bursts of threads in a Bulletin Board System (BBS) using a kind of user. We call the kind of the user a “connoisseur”. A connoisseur is a(More)
We propose optical path routing and frequency slot assignment algorithms that can make the best use of elastic optical paths and the capabilities of distance adaptive modulation. Due to the computational difficulty of the assignment problem, we develop algorithms for 1+1 dedicated/1:1 shared protected ring networks and unprotected mesh networks to that(More)
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