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并行数据库的查询处理并行化技术和物理设计方法 被引量:32
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作者 李建中 《软件学报》 EI CSCD 北大核心 1994年第10期1-10,共10页
近几年,随着并行计算机系统的迅速发展,并行数据库系统已经成为一个新的数据库研究领域,引起了学术界和工业界的极大关注,很多研究成果已经出现.本文是综述并行数据库系统研究与进展情况的两篇文章之一,重点探讨目前并行数据库系... 近几年,随着并行计算机系统的迅速发展,并行数据库系统已经成为一个新的数据库研究领域,引起了学术界和工业界的极大关注,很多研究成果已经出现.本文是综述并行数据库系统研究与进展情况的两篇文章之一,重点探讨目前并行数据库系统的研究方向和问题,综述有关并行数据库的物理设计方法和查询处理并行化技术的主要研究成果. 展开更多
关键词 并行数据库 查询处理 并行化 物理设计法
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Physical design method of MPSoC
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作者 LIU Peng XIA Bing-jie TENG Zhao-wei 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2007年第4期631-637,共7页
Floorplan, clock network and power plan are crucial steps in deep sub-micron system-on-chip design. A novel di- agonal floorplan is integrated to enhance the data sharing between different cores in system-on-chip. Cus... Floorplan, clock network and power plan are crucial steps in deep sub-micron system-on-chip design. A novel di- agonal floorplan is integrated to enhance the data sharing between different cores in system-on-chip. Custom clock network con- taining hand-adjusted buffers and variable routing rules is constructed to realize balanced synchronization. Effective power plan considering both IR drop and electromigration achieves high utilization and maintains power integrity in our MediaSoC. Using such methods, deep sub-micron design challenges are managed under a fast prototyping methodology, which greatly shortens the design cycle. 展开更多
关键词 Physical design Fast prototyping FLOORPLAN Clock tree synthesis (CTS) Power plan Multiprocessor system-onchip (MPSoC)
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Design and Management of Building's Resources
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作者 Ekaterina Sentova 《Journal of Civil Engineering and Architecture》 2014年第6期716-721,共6页
The developed modem control systems and buildings management resource systems would be effective if they are based on previously established optimal conditions during the building design. This is one of the key issues... The developed modem control systems and buildings management resource systems would be effective if they are based on previously established optimal conditions during the building design. This is one of the key issues for a responsible architecture. The focus of this paper is on sustainable design methods and techniques for saving resources and their management throughout the building lifecycle. The main subject of the present article is the characteristics of these methods and their fundamental role in sustainable resource management during the building operation. The results which are based on conducted case studies of European and international practice in the construction of sustainable buildings are implemented here. Key features of a comprehensive approach for design and construction are outlined via comparative analysis, as well as various systems for the evaluation of sustainability for already constructed buildings. The mostly used criteria and indicators for sustainability are systematized, including those related to resource consumption. By analyzing a specific example, the role of sustainable design methods is justified as an important prerequisite for effective management of building resources in the process building maintenance. According to the conducted studies, during the longest life cycle period of a building, by implementation of control systems and resource management of building, the costs are successfully optimized. Specific directions that prove the effectiveness of such systems are systematized in the paper. Innovative approaches, complex methods and measures for design and management of buildings resources are presented as results of this study. 展开更多
关键词 Sustainable design sustainable buildings BMS (Building Management System).
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