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Developments of CMOS image sensors detecting wavelength information
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On the Legal Protection of Publicity Value ―From the Perspective of China’s Legal System and Judicial Practice―
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A low-delay network design scheme for distributed processing systems based on predicting user participation
Get PDF本研究では，イベント順序性を保証して処理を進める分散処理システムにおいて，ユーザがアプリケーションに逐次参加するシナリオでの低遅延な通信環境を実現するネットワーク設計法を提案する．逐次参加シナリオでの低遅延なネットワーク設計法としては，ユーザの参加領域を複数のエリアに分割し，エリア毎に推奨サーバを決定する方式（従来方式）が提案されている．しかし，サーバに収容可能なユーザ数に制限がある場合において，ユーザが推奨サーバを選択できずEnd-to-End（E2E）の遅延が劣化する課題がある．提案方式は各エリアに参加するユーザを予測し，その予測情報を基にエリア毎に複数の推奨サーバを決定する．これにより，サーバの収容可能なユーザ数の制限が厳しい条件でも，推奨サーバを使用可能なユーザ数が増加する．提案方式は，E2E の最大遅延を最小にするような推奨サーバを決定する問題を整数線形計画化問題として定式化する．数値評価の結果から，提案方式は従来方式と比較して遅延の劣化を抑えることを示す．journal articl
The Effect of Personal Financial Planning on Financial Behavior
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Enhancement of Simple Adaptive Control for Industrial Feed Drive Systems
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Two individuals' share and joint of hands with virtual co-embodiment
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A Limited Comparison Between TOEIC Listening Comprehension and Reading Comprehension Scores
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Development of an indoor ornamental plant cultivation system with air purification
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CMND: Consistent-aware Multi-server Network Design Model for Delay-Sensitive Applications
Get PDFThis paper proposes a network design model, considering data consistency for a delay-sensitive distributed processing system. The data consistency is determined by collating the own state and the states of slave servers. If the state is mismatched with other servers, the rollback process is initiated to modify the state to guarantee data consistency. In the proposed model, the selected servers and the master-slave server pairs are determined to minimize the end-to-end delay and the delay for data consistency. We formulate the proposed model as an integer linear programming problem. We evaluate the delay performance and computation time. We evaluate the proposed model in two network models with two, three, and four slave servers. The proposed model reduces the delay for data consistency by up to 31 percent compared to that of a typical model that collates the status of all servers at one master server. The computation time is a few seconds, which is an acceptable time for network design before service launch. These results indicate that the proposed model is effective for delay-sensitive applications.journal articl