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| 1 | Labeled yon Neumann Architecture for Software-Defined Cloud显示文摘 | Yun-Gang Bao Sa Wang, Member, CCF | 2017 | Journal of Computer Science & Technology2017，32，2： | 8 |
| 2 | Providing Virtual Cloud for Special Purposes on Demand in JointCloud Computing Environment显示文摘因为它的按需、有弹性的资源用法,云计算被企业广泛地采用了范例。当前,大多数云应用程序在一单个云上正在跑。然而,越来越,运用几到对面的应用需求遮蔽满足象最好的费用一样的要求效率,出售商占据的回避,和 geolocation 敏感服务。JointCloud 计算是中国研究所开始到计算问题与多重云担心了的地址的新研究。在里面 JointCloud,多样的用户和云资源上的动态要求被提供用户满足为特殊目的虚拟云(VC ) 。为特殊目的虚拟云在本质一有设定的软件的特定的云工作环境叠的用户,配置和容易地可得到的计算资源。这篇论文首先介绍什么是 JointCloud 计算然后在 JointCloud 描述设计基本原理,动机例子,机制和 VC 的创新技术。 | Dong-Gang Cao Member, CCF, IEEE, Bo An Pei-Chang Shi Huai-Min Wang | 2017 | Journal of Computer Science & Technology2017，32，2： | 4 |
| 3 | Global-to-Local Approach to Rigorously Developing Distributed System with Exception Handling显示文摘Cooperative distributed system covers a wide range of applications such as the systems for industrial controlling and business-to-business trading, which are usually safety-critical. Coordinated exception handling (CEH) refers to exception handling in the cooperative distributed systems, where exceptions raised on a peer should be dealt with by all relevant peers in a consistent manner. Some CEH algorithms have been proposed. A crucial problem in using these algorithms is how to develop the peers which are guaranteed coherent in both normal execution and exceptional execution. Straightforward testing or model checking is very expensive. In this paper, we propose an e?ective way to rigorously develop the systems with correct CEH behavior. Firstly, we formalize the CEH algorithm by proposing a Peer Process Language to precisely describe the distributed systems and their operational semantics. Then we dig out a set of syntactic conditions, and prove its su?ciency for system coherence. Finally, we propose a global-to-local approach, including a language describing the distributed systems from a global perspective and a projection algorithm, for developing the systems. Given a well-formed global description, a set of peers can be generated automatically. We prove the system composed of these peers satisfies the conditions, that is, it is always coherent and correct for CEH. | 蔡超 裘宗燕 Senior Member, Member, CCF, IEEE 杨红丽 赵翔鹏 | 2009 | Journal of Computer Science & Technology2009，24，2： | 3 |
| 4 | A Novel Spatial Pooling Strategy for Image Quality Assessment显示文摘许多存在图象质量评价(IQA ) 度量标准分享一个类似的二阶段的框架:在第一个阶段,一张优秀地图被在引用的本地区域之间的比较构造并且弄歪图象;在第二个阶段,空间分享被采用获得全面优秀分数。在这个工作,我们通过优秀地图的统计分析为图象质量评价建议新奇空间分享策略。我们的深入的分析显示全面图象质量对优秀分发敏感。基于从优秀地图提取的分析,优秀直方图和统计描述符被用作输入到支持向量回归获得最后的客观优秀分数。三个大公共 IQA 数据库上的试验性的结果证明了建议空间分享的策略罐头极大地以与人的主观级别的关联改进原来的 IQA 度量标准的优秀预言性能。 | Qiaohong Li Yu-Ming Fang Member, CCF Jing-Tao Xu | 2016 | Journal of Computer Science & Technology2016，31，2： | 3 |
| 5 | CCNoC:Cache-Coherent Network on Chip for Chip Multiprocessors显示文摘As the number of cores in chip multiprocessors(CMPs) increases,cache coherence protocol has become a key issue in integration of chip multiprocessors.Supporting cache coherence protocol in large chip multiprocessors still faces three hurdles:design complexity,performance and scalability.This paper proposes Cache Coherent Network on Chip(CCNoC),a scheme that decouples cache coherency maintenance from processors and shared L2 caches and implements it completely in network on chip to free up processors and shared L2 caches from the chore of maintaining coherency,thereby reduces design complexity of CMPs.In this way,CCNoC also improves the performance of cache coherence protocol through reducing directory access latency and enhances scalability by avoiding massive directories overhead in shared L2 caches.In CCNoC, coherence state caches and active directory caches are implemented in the network interface components of network on chip to maintain cache coherence states for blocks in L1 caches and manage directory information for recently accessed blocks in L2 caches respectively.CCNoC provides a scalable CMP framework to tackle cache coherency which is the foundation of CMP.This paper evaluates the performance of CCNoC.Experimental results show that for a 16-core system,CCNoC improves performance by 3%on average over the conventional chip multiprocessor and by 10%at best,while reduces storage overhead by 1.8%and saves directory storage by 88%,showing good scalability. | 王惊雷 薛一波 Member, CCF, IEEE 王海霞 李崇民 汪东升 Senior Member,CCF | 2010 | Journal of Computer Science & Technology2010，25，2： | 1 |
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