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A carbon 2.0 framework based on cloud computing

A carbon 2.0 framework based on cloud computing

IEEE/International Association for computer and Information science International Conference on computer and Information science

作者： Li, Jiandun Zhang, Wu Peng, Junjie Lei, Zhou Lei, Yu School of Computer Engineering and Science High Performance Computing Center Shanghai University Shanghai China Department of Computer Science and Engineering University of Texas at Arlington Arlington TX United States

ISBN: (纸本)9780769541471

The Copenhagen climate conference 2009 has concluded that we have to change the way how we live. Currently, several carbon management systems are being developed to meet enterprises' requirement. In addition, a number of carbon footprint calculation tools have been developed to fulfill carbon calculation needs from industries, households and individuals. However, under the current circumstance, it is still a challenging issue on how to take advantage of the latest IT technologies to improve carbon calculations with comprehensive functionality. In this paper, we extend carbon 2.0, the concept proposed by previous studies, and introduce a new carbon framework based on cloud computing. This new framework is massively scalable and can configure and deliver carbon-related services dynamically and on demand. Moreover, it is a real low-carbon framework itself! © 2010 IEEE.

关键词： Greenhouse gases

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performance analysis of ACO-based improved virtual machine allocation in cloud for IoT-enabled healthcare

Performance analysis of ACO-based improved virtual machine a...

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作者： Kavitha, Kadarla Sharma, S.C. High Performance Computing Lab Department of Computer Science and Engineering Indian Institute of Technology Roorkee Roorkee India Electronics and Computer Discipline Indian Institute of Technology Roorkee Roorkee India

The Internet of Things (IoT)–enabled healthcare environment irregularly requires the resources from the Cloud to handle massive amounts of data, which impacts the response times of the Cloud. A typical healthcare application scenario could be to monitor the heart-patients who require the highest response times, immediate attention of all the stakeholders, and very quick decisions. This paper replaces the default First-Come-First-Serve (FCFS) Virtual Machine (VM) allocation scheme of the Cloud computing in CloudSim with the implementation of Ant Colony Optimization (ACO) by the efficient tuning of parameters. An IoT-enabled healthcare environment is designed, which irregularly requires the resources from the Cloud to handle massive amounts of data to assess the impact of the response times of the Cloud. Several experiments have been carried out to assess the optimal VM allocation using ACO by varying different parameters like the variation of the number of ants, the strength of pheromone, the number of VMs, the number of hosts, the strength of computing power of processing elements, the number of users, and the size of the workloads. Experimental results indicate that the ACO optimally utilizes the resources in a Cloud when compared to the default FCFS strategy. The results indicate that on an average, the ACO gives 25% to 30% improved response times than FCFS in the given healthcare and Cloud scenarios. © 2019 John Wiley & Sons, Ltd.

关键词： Ant colony optimization

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A peer-to-peer file resource sharing system for mobile devices

A peer-to-peer file resource sharing system for mobile devic...

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3rd International Conference on Grid and Pervasive computing Symposia/Workshops, GPC 2008

作者： Yang, Chao-Tung Chen, Chun-Jen Chen, Hung-Yen Hsu, Ching-Hsien High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Department of Computer Science and Information Engineering Chung Hua University Hsinchu 30013 Taiwan

ISBN: (纸本)9780769531779

In this paper, we present a peer-to-peer file sharing platform combined with Data Grid system for mobile devices. Facing the limit of network bandwidth and unstable signal strength in wireless network, wireless peer-to-peer architecture is now widely accepted as a new computing paradigm for wireless devices. In wireless P2P architecture, one can speedup parallel file transfer and enhance the communication stability by establishing multiple concurrent P2P connections. This paper mainly applies Data Grid system to deal with the problems of file location discovery and client certification. We propose an architecture that uses GridFTP protocol to establish a video sharing platform for mobile devices. Combined with data grid, the system can perform video analysis and classification upon on its computing resources, keeping the files in the newest state at all times. © 2008 IEEE.

关键词： Network architecture

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Implementation of a green power management algorithm for virtual machines on cloud computing

Implementation of a green power management algorithm for vir...

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Lecture Notes in computer science

作者： Yang, Chao-Tung Wang, Kuan-Chieh Cheng, Hsiang-Yao Kuo, Cheng-Ta Hsu, Ching-Hsien High-Performance Computing Laboratory Department of Computer Science Tunghai University Taichung 40704 Taiwan Department of Computer Science and Information Engineering Chung Hua University Hsinchu 300 Taiwan

ISBN: (纸本)9783642236402

With the development of electronic of government and business, the implementation of these services are increasing the demand for servers, each year a considerable number of the procurement server and out of the server are too old to provide better service. However, due to the speed of the server out of nowhere near the rate of increase, the continued expansion of the server, on behalf of our need to prepare more space, power, air conditioning, network, human and other infrastructure. Derived from these costs, long years, the often less than the purchase price of the server. And the provision of these services is actually quite energy-intensive, especially when the server is running at low utilization, the making idle resources, waste, which is caused by the energy efficiency of data centers the main reason for the low. Even in a very low load, such as 10% CPU utilization, the total power consumption is more than 50% in the peak. Similarly, if the disk, network, or any such resource is the bottleneck, it will increase the waste of other resources. The "Green" became a hot key word recently. And we aimed the topic and proposed power management approach with virtualization technology. © 2011 Springer-Verlag.

关键词： Virtualization

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Models of parallel computation :a survey and classification

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中国高等学校学术文摘·计算机科学 2007年第2期1卷 156-165页

作者： ZHANG Yunquan CHEN Guoliang SUN Guangzhong MIAO Qiankun Laboratory of Parallel Computing Institute of SoftwareChinese Academy of SciencesBeijing 100080China State Key Laboratory of Computer Science Institute of SoftwareChinese Academy of SciencesBeijing 100080China Anhui Province-MOST Key Co-Lab of High Performance Computing and Its Applications Department of Computer Science and TechnologyUniversity of Science and Technology of ChinaHefei 230027China

In this paper,the state-of-the-art parallel computational model research is *** will introduce various models that were developed during the past *** to their targeting architecture features,especially memory organization,we classify these parallel computational models into three *** models and their characteristics are discussed based on three generations *** believe that with the ever increasing speed gap between the CPU and memory systems,incorporating non-uniform memory hierarchy into computational models will become *** the emergence of multi-core CPUs,the parallelism hierarchy of current computing platforms becomes more and more *** this complicated parallelism hierarchy in future computational models becomes more and more important.A semi-automatic toolkit that can extract model parameters and their values on real computers can reduce the model analysis complexity,thus allowing more complicated models with more parameters to be *** memory and hierarchical parallelism will be two very important features that should be considered in future model design and research.

关键词： parallel computational models hierarchicalmemory hierarchical parallelism three generations memorymodel

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Spontaneous service provision framework based on semantic object

Spontaneous service provision framework based on semantic ob...

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2010 2nd IEEE International Conference on Information Management and engineering, ICIME 2010

作者： Zhong, Dong Zhu, Yian Lei, Wanbao Gu, Jianhua Wang, Yunlan Department of Computer Science and Engineering Northwestern Polytechnical University Xi'an China Center for High Performance Computing Northwestern Polytechnical University Xi'an China

ISBN: (纸本)9781424452644

This paper describes the core of an spontaneous service provision framework offering general functionality based on objects in Internet of Things. The framework supports sensor, wireless network and end system based on services and service features. The framework is more generic than traditional hierarchical sensor and actuator networks framework. It supports grids and spontaneous service provision. In the framework, techniques of spontaneous service provision, grid, context-aware, semantic reasoning, and pervasive service management are smoothly synthesized. A seven-layer conceptual architecture is introduced on the basis of functional characteristics of framework. It enables objects in domain of things to interact spontaneously, provides semantic-integration context awareness, and supports meta-service based adaptability and scalability. © 2010 IEEE.

关键词： Web services

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Surgical video workflow analysis via visual-language learning

npj Health Systems

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npj Health Systems 2025年第1期2卷 1-12页

作者： Pengpeng Li Xiangbo Shu Jinhui Tang Chun-Mei Feng Yifei Feng Wangmeng Zuo School of Computer Science and Engineering Nanjing University of Science and Technology Nanjing China Institute of High Performance Computing (IHPC) Agency for Science Technology and Research (A*STAR) Singapore Republic of Singapore The First School of Clinical Medicine Nanjing Medical University Nanjing China Department of General Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing China Faculty of Computing Harbin Institute of Technology Harbin China

Surgical video workflow analysis has made intensive development in computer-assisted surgery by combining deep learning models, aiming to enhance surgical scene analysis and decision-making. However, previous research has primarily focused on coarse-grained analysis of surgical videos, e.g., phase recognition, instrument recognition, and triplet recognition that only considers relationships within surgical triplets. In order to provide a more comprehensive fine-grained analysis of surgical videos, this work focuses on accurately identifying triplets from surgical videos. Specifically, we propose a vision-language deep learning framework that incorporates intra- and inter- triplet modeling, termed I2TM, to explore the relationships among triplets and leverage the model understanding of the entire surgical process, thereby enhancing the accuracy and robustness of recognition. Besides, we also develop a new surgical triplet semantic enhancer (TSE) to establish semantic relationships, both intra- and inter-triplets, across visual and textual modalities. Extensive experimental results on surgical video benchmark datasets demonstrate that our approach can capture finer semantics, achieve effective surgical video understanding and analysis, with potential for widespread medical applications.

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Entity meta-service composition based on semantic analysis

Entity meta-service composition based on semantic analysis

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2nd International Workshop on Intelligent Systems and Applications, ISA2010

ISBN: (纸本)9781424458745

This paper proposes a six-layer conceptual architecture for spontaneous service provision. In the architecture, techniques of context-aware, semantic reasoning and service composition are smoothly synthesized. A dynamic service composition mechanism based on directed attributed graphs is introduced on the basis of functional characteristics of architecture. It maintains a repository of service graphs, dynamically combines multiple basic meta-services into complex services, and enables services within pervasive computing environment to interact automatically. We illustrate our ideas through a scenario of conference travel service in different pervasive environment, which demonstrates the feasibility of our architecture. ©2010 IEEE.

关键词： Ubiquitous computing

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A study of code reuse and sharing characteristics of Java applications 1

A study of code reuse and sharing characteristics of Java ap...

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1st Workshop on Workload Characterization, WWC 1998

作者： Conte, M.T. Trick, A.R. Gyllenhaal, J.C. Hwu, W.W. Department of Electrical and Computer Engineering Coordinated Science Laboratory Center for Reliable and High-performance Computing University of Illinois at Urbana-Champaign United States

ISBN: (纸本)0769504507

Presents a detailed characterization of Java application and applet workloads in terms of reuse and sharing of Java code at the program, class and method level. In order to expose more sharing opportunities, techniques for detecting code equivalence even in the presence of minor code changes or constant pool index differences) are also proposed and examined. The analyzed application workload consists of the recently released SPECjvm98 benchmarks, and the applet workload is derived from three extensive searches of the Internet between May 1997 and May 1998 using an enhanced Web crawler. Analysis of these workloads reveals several new code sharing and optimization opportunities. © 1998 IEEE.

关键词： Java programming language

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Building an e-learning platform by Access Grid and Data Grid technologies

Building an e-learning platform by Access Grid and Data Grid...

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Proceedings - 2004 IEEE International Conference on e-Technology, e-Commerce and e-Service, EEE 2004

作者： Ho, Hsin-Chuan Yang, Chao-Tung Chang, Chi-Chung High-Performance Computing Lab. Department of Computer Science Tungahi University Taichung 407 Taiwan National Dali Senior High School Taichung 407 Taiwan

ISBN: (纸本)0769520731

Due to overall popularity of the Internet, e-learning has become a hot method of learning in recent years. Through the Internet, learners can freely absorb new knowledge without the restriction of time and place. Many companies have adopted e-learning to train their employees. The e-learning system can make an enterprise more competitive by increasing the knowledge of its employees. As we know, e-learning has become one of the most potential e-commerce businesses. At present, most e-learning environment architectures are in consideration of a single computer or server as its erecting foundation. As soon as its work load increases, the software and hardware need to be updated or renewed;this is a big burden to a company with insufficient budget. Thus, in this research we employ a kind of Grid computing technology, called "Access Grid", to integrate the idle computer resources in an enterprise into an e-learning platform for substituting the purchase of costly high-level server and equipment. The Access Grid supports group-to-group communication via high-speed networking over the Internet. It provides high quality audio and real-time video interactive interface for e-learning users. All the hardware cost is reasonable so that companies or academies can easily set up their own Access Grid Node. By using Access Grid technologies, enterprises can integrate their training materials into knowledge repository such as "Data Grid" as the e-learning VOD platform so that the knowledge can be shared and published more flexibly and widely.

关键词： Electronic commerce

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