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Mizuki Asano, Takumi Miyoshi and Taku Yamazaki
Smart home environments, which consist of various Internet of Things (IoT) devices to support and improve our daily lives, are expected to be widely adopted in the near future. Owing to a lack of awareness regarding the risks associated with IoT devices ...
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Hung Nguyen-An, Thomas Silverston, Taku Yamazaki and Takumi Miyoshi
We now use the Internet of things (IoT) in our everyday lives. The novel IoT devices collect cyber?physical data and provide information on the environment. Hence, IoT traffic will count for a major part of Internet traffic; however, its impact on the ne...
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Naomasa Oshiro, Takumi Tomikawa, Kyoko Kuniyoshi, Akira Ishikawa, Hajime Toyofuku, Takashi Kojima and Hiroshi Asakura
Ciguatera fish poisoning (CFP) is one of the most frequently reported seafood poisoning diseases. It is endemic to the tropical region and occurs most commonly in the regions around the Pacific Ocean, Indian Ocean, and Caribbean Sea. The principal toxins...
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Jingwei Liu, Takumi Aoki, Zhetao Li, Tingrui Pei, Young-june Choi, Kien Nguyen and Hiroo Sekiya
Recently, we often see the environment where many one-to-one Wireless Local Area Networks (WLANs) exist in a small area. In this environment, the network throughput of certain WLAN reduces significantly because of the interference from other networks (i....
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Takumi Asakura, Wataru Yashima, Kouki Suzuki and Makoto Shimotou
Product delivery via logistic systems is becoming more efficient, rapidly and continuously bringing products to the customer. The continuous operation of logistic equipment, however, can lead to mechanical stoppages due to excessive use. To avoid system ...
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Kenji Fujii, Yoshiyuki Mogi and Takumi Noguchi
The evaluation of the maximum and cumulative response is an important issue for the seismic design of new base-isolated buildings. This study predicts the maximum and cumulative response of a 14-story reinforced concrete base-isolated building using a se...
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Takumi Fujiwara and Wataru Takeuchi
The shadow fraction of the canopy is an important factor in Bidirectional Reflectance Distribution Function (BRDF) and in estimating physical quantities, such as tree height and biomass. Shadows are used as a shielding ratio for direct solar irradiance, ...
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Teuku Muhammad Rasyif, Shigeru Kato, Syamsidik and Takumi Okabe
The 2004 Indian Ocean tsunami caused massive morphological changes around the coast of Sumatra, Indonesia. This research investigates the coastal morphological changes in the Banda Aceh area via coupling a hydrodynamic model with a sediment transport mod...
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Kaho Takahashi, Takumi Kato and Tetsuo Kinoshita
With the widespread use of wearable sensors, cloud services, social networking services (SNS), etc., there are various applications and systems that record information on users? daily activities and support recalling these activities. In various situatio...
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Akihiro Matsuyama, Hironori Mizutani, Takumi Kozuka and Hiroshi Inoue
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