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IEEE International Conference on Systems Biology

作者： Xionghui Zhou Juan Liu Changning Liu Simon Rayner Fengji Liang Jingfang Ju Yinghui Li Shanguang Chen Jianghui Xiong School of Computer Science Wuhan University Wuhan China Bioinformatics Research Group Key Laboratory of Intelligent Information Processing Advanced Computing Research Laboratory Institute of Computing Technology Chinese Academy of Sciences (CAS) Beijing China Bioinformatics Group State Key Laboratory of Virology Wuhan Institute of Virology Chinese Academy of Sciences (CAS) Wuhan China Bioinformatics Group and Data Coordination Center State Key Laboratory of Space Medicine Fundamentals and Application China Astronaut Research and Training Center Beijing China Department of Pathology Stony Brook University Medical Center New York USA

MicroRNAs can regulate hundreds of target genes and play a pivotal role in a broad range of biological process. However, relatively little is known about how these highly connected miRNAs-target networks are remodelled in the context of various diseases. Here we examine the dynamic alteration of context-specific miRNA regulation to determine whether modified microRNAs regulation on specific biological processes is a useful information source for predicting cancer prognosis. A new concept, Context-specific miRNA activity (CoMi activity) is introduced to describe the statistical difference between the expression level of a miRNA's target genes and non-targets genes within a given gene set (context).

关键词： Breast cancer Context Correlation Biological processes Metastasis Tumors

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Probe request based load balancing metric with timely handoffs for WLANs

Probe request based load balancing metric with timely handof...

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2010 International Conference on Information and Communication Technology Convergence, ICTC 2010

作者： Ryou, Jongbum Lee, Ben Yu, Chansu Kim, Myungchul Hyun, Soon-Joo Park, Seung-Min Kim, Won-Tae School of Electrical Engineering and Computer Science Oregon State University Corvallis OR 97331 United States Electrical and Computer Engineering Department Cleveland State University Cleveland OH 44115 United States Computer Science Department Korea Advanced Institute of Science and Technology Daejeon Korea Republic of Electronics and Telecommunications Research Institute Daejeon Korea Republic of

ISBN: (纸本)9781424498062

As the number of mobile devices accessing large- scale WLANs such as campus and metropolitan area networks increases, the need for load balancing among the cells becomes crucial. In addition, the network must also support some mininiuni handoff tolerance defined by an application. This paper proposes a new metric that provides load balance as well as timely handoffs for WLANs by taking into account both direct and hidden node collisions. © 2010 IEEE.

关键词： Metropolitan area networks

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Relation of PPAtMP and scalar product protocol and their applications

Relation of PPAtMP and scalar product protocol and their app...

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15th IEEE Symposium on computers and Communications, ISCC 2010

作者： Zhu, Youwen Huang, Liusheng Yang, Wei National High Performance Computing Center at Hefei Department of Computer Science and Technology University of Science and Technology of China Hefei 230026 China Suzhou Institute for Advanced Study University of Science and Technology of China Suzhou 215123 China

ISBN: (纸本)9781424477555

Scalar product protocol and privacy preserving add to multiply protocol (PPAtMP) are two significant basic secure multiparty computation protocols. In this paper, we claim that the two protocols are equivalent to each other and we can achieve one based on the other with the same communication and computation complexity. Then, we propose Secure Two-party Mean Protocol, Secure Shared x ln x Protocol and Secure Shared Generic Polynomial Protocol based on scalar product protocol and PPAtMP. Additionally, we analyze the correctness, security, communication overheads and computation complexity of each protocol proposed in this paper. © 2010 IEEE.

关键词： Data privacy

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International Conference on computer science & Education (ICCSE)

作者： Cui, Jie Huang, Liusheng Zhong, Hong Yang, Wei National High Performance Computing Center at Hefei Department of Computer Science and Technology University of Science and Technology of China Hefei 230027 China School of Computer Science and Technology Anhui University Hefei 230039 China Suzhou Institute for Advanced Study University of Science and Technology of China Suzhou 215123 China

ISBN: (纸本)9781424460052

In this paper the authors present an attack on 7-round AES-128/256 to improve the known cryptanalysis by changing the order of round transformation , using the alternative representation of the round keys, exploiting the relationship of keys, designing the key difference pattern properly. By using the improved attack method, the complexity is reduced from 2192 to 2104 with 272 chosen plaintexts, the authors reduce complexity to 288 using partial sums. ©2010 IEEE.

关键词： 7-round AES-128/256 AES Rijndael Square attack cryptanalysis partial sums public key cryptography related key attack method related-key attack round transformation

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Message Passing Framework for Globally Interconnected Clusters

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Journal of Physics: Conference Series 2011年第6期331卷

作者： M Hafeez S Asghar U A Malik A Rehman N Riaz Department of Computer Science SZABIST Shaheed Zulfikar Ali Bhutto Institute of Science and Technology Plot 67 Street 9 H-8/4 Islamabad Pakistan ASC Advanced Scientific Computing National Centre for Physics Quaid-i-Azam University Campus Islamabad Pakistan

In prevailing technology trends it is apparent that the network requirements and technologies will advance in future. Therefore the need of High Performance computing (HPC) based implementation for interconnecting clusters is comprehensible for scalability of clusters. Grid computing provides global infrastructure of interconnecting clusters consisting of dispersed computing resources over Internet. On the other hand the leading model for HPC programming is Message Passing Interface (MPI). As compared to Grid computing, MPI is better suited for solving most of the complex computational problems. MPI itself is restricted to a single cluster. It does not support message passing over the internet to use the computing resources of different clusters in an optimal way. We propose a model that provides message passing capabilities between parallel applications over the internet. The proposed model is based on Architecture for Java Universal Message Passing (A-JUMP) framework and Enterprise Service Bus (ESB) named as High Performance computing Bus. The HPC Bus is built using ActiveMQ. HPC Bus is responsible for communication and message passing in an asynchronous manner. Asynchronous mode of communication offers an assurance for message delivery as well as a fault tolerance mechanism for message passing. The idea presented in this paper effectively utilizes wide-area intercluster networks. It also provides scheduling, dynamic resource discovery and allocation, and sub-clustering of resources for different jobs. Performance analysis and comparison study of the proposed framework with P2P-MPI are also presented in this paper.

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PerfExpert: An easy-to-use performance diagnosis tool for HPC applications 10

PerfExpert: An easy-to-use performance diagnosis tool for HP...

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Proceedings of the 2010 ACM/IEEE International Conference for High Performance computing, Networking, Storage and Analysis

作者： Burtscher, Martin Kim, Byoung-Do Diamond, Jeff McCalpin, John Koesterke, Lars Browne, James Institute for Computational Engineering and Sciences University of Texas Austin United States Texas Advanced Computing Center University of Texas Austin United States Department of Computer Science University of Texas Austin United States

ISBN: (纸本)9781424475575

HPC systems are notorious for operating at a small fraction of their peak performance, and the ongoing migration to multi-core and multi-socket compute nodes further complicates performance optimization. The readily available performance evaluation tools require considerable effort to learn and utilize. Hence, most HPC application writers do not use them. As remedy, we have developed PerfExpert, a tool that combines a simple user interface with a sophisticated analysis engine to detect probable core, socket, and node-level performance bottlenecks in each important procedure and loop of an application. For each bottleneck, PerfExpert provides a concise performance assessment and suggests steps that can be taken by the programmer to improve performance. These steps include compiler switches and optimization strategies with code examples. We have applied PerfExpert to several HPC production codes on the Ranger supercomputer. In all cases, it correctly identified the critical code sections and provided accurate assessments of their performance. © 2010 IEEE.

关键词： Supercomputers

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Quality Analysis of Object Oriented Cohesion Metrics

Quality Analysis of Object Oriented Cohesion Metrics

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International Conference on the Quality of Information and Communications Technology (QUATIC)

作者： Padmaja Joshi Rushikesh K. Joshi Center for Development of Advanced Computing (C-DAC) Mumbai Computer Science and Engineering Department Indian Institute of Technology Bombay Mumbai India

Numerous class cohesion metrics can be found in the literature. However, they end up capturing different aspects of cohesion. Which metric is best suited for a given situation is always a critical question. This work focuses on exploring the strengths and weaknesses of each of the selected cohesion metrics. The issues of their applicability to capture varying strengths of cohesion and ability to identify disparate classes are addressed. The metrics are classified into five categories based on their computational approaches. Diversity and similarity among these metrics are brought out. The discussion demonstrates uses of cohesion metrics with the help of typical representative situations.

关键词： Measurement units Electronic mail computer science

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Modelling data-driven CO2 sequestration using distributed HPC cyberinfrastructure 10

Modelling data-driven CO2 sequestration using distributed HP...

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2010 TeraGrid Conference, TG '10

作者： El-Khamra, Yaakoub Jha, Shantenu White, Christopher D. Craft and Hawkins Dept. of Petroleum Engineering Louisiana State University Texas Advanced Computing Center United States Department of Computer Science E-Science Institute Louisiana State University Edinburgh United States Craft and Hawkins Dept. of Petroleum Engineering Center for Computation and Technology Louisiana State University United States

ISBN: (纸本)9781605588186

In this paper we lay out the computational challenges involved in effectively simulating complex phenomena such as sequestering CO2 in oil and gas reservoirs. The challenges arise at multiple levels: (i) the computational complexity of simulating the fundamental processes;(ii) the resource requirements of the computationally demanding simulations;(iii) the need for integrating real-time data (intensive) and computationally intensive simulations;(iv) and the need to implement all of these in a robust, scalable and extensible approach. We will outline the architecture and implementation of the solution we develop in response to these requirements, and discuss results to validate claims that our solution scales to effectively solve desired problem sizes and thus provides the capability to generate novel scientific insight. Copyright 2010 ACM.

关键词： Carbon dioxide

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Probe request based Load Balancing Metric with timely handoffs for WLANs

Probe request based Load Balancing Metric with timely handof...

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International Conference on Information and Communication Technology Convergence (ICTC)

作者： Jongbum Ryou Ben Lee Chansu Yu Myungchul Kim Soon-Joo Hyun Seung-Min Park Won-Tae Kim School of Electrical Engineering and Computer Science Oregon State University Corvallis OR USA Electrical and Computer Engineering Department Cleveland State University Cleveland OH USA Computer Science Department Korea Advanced Institute of Science and Technology Daejeon South Korea Electronics and Telecommunications Research Institute Daejeon South Korea

As the number of mobile devices accessing large-scale WLANs such as campus and metropolitan area networks increases, the need for load balancing among the cells becomes crucial. In addition, the network must also support some minimum handoff tolerance defined by an application. This paper proposes a new metric that provides load balance as well as timely handoffs for WLANs by taking into account both direct and hidden node collisions.

关键词： Delay Probes Load management Analytical models Mathematical model Electronic mail

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Stretchable Solar Cells: Stretchable GaAs Photovoltaics with Designs That Enable High Areal Coverage (Adv. Mater. 8/2011)

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advanced Materials 2011年第8期23卷

作者： Jongho Lee Jian Wu Mingxing Shi Jongseung Yoon Sang‐Il Park Ming Li Zhuangjian Liu Yonggang Huang John A. Rogers Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana Illinois 61801 USA Department of Civil and Environmental Engineering Northwestern University Evanston IL 60208 USA Institute of High Performance Computing Singapore 138631 Singapore Department of Engineering Mechanics Dalian University of Technology Dalian 116024 China Departments of Civil and Environmental Engineering and Mechanical Engineering Northwestern University Evanston Illinois 60208 USA Department of Materials Science and Engineering Chemistry Mechanical Science and Engineering Electrical and Computer Engineering Beckman Institute for Advanced Science and Technology and Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana Illinois 61801 USA

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