Yusuke Wada

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In this paper, we propose a novel approach to positioning mobile phone users in a crowd of people. We assume such a situation that people in specific space (e.g., an exhibition hall) have mobile phones and they periodically probe proximity between the surrounding users via short-range wireless communication (e.g., Bluetooth). We also assume that laser range(More)
Okude Laboratory at Keio University SFC implements some original applications by a unique method. These applications are focused on a prime user needs and representing the future user life style using the scenario-based modeling method. We defined these interactive media embedded in the user environment as smart-media applications. Now our projects are(More)
This paper proposes and evaluates the helper thread for Time Aggregation Scheduler (TAS) intended to enhance the performance and energy efficiency. TAS is a kernel-level thread scheduler to enhance performances of multi-threaded programs by focusing on the affinity of sibling threads, which have the same parent process and share the context. TAS may change(More)
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