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Research on the cooperation between ISP and CDN 3

Research on the cooperation between ISP and CDN

引用

3rd international conference on Cyberspace Technology, CCT 2015

作者： Qi, Zhen-Guo Song, Wei Hou, Jian-Jun Lin, Fu-Hong Yang, Guo-Sheng School of Electronic and Information Engineering Beijing Jiaotong University Beijing100044 China School of Information Engineering Minzu University of China Beijing100081 China School of Computer and Communication Engineering University of Science and Technology Beijing100083 China

ISBN: (纸本)9781785610899

CDN can effectively improve the load balance and robustness of the network. However, the development and application of CDN are limited by some reasons, like operating system and price of ISP. So as we should balance the relationship between ISP and CDN. And the friendliness building of∗ CDN and ISPs will improve the user experience, effectively guarantee their service quality, and reduce the content distribution cost. In this paper, we discuss the basic working principle of CDN and ISP, analyze possibility of cooperation between CDN and ISP combining with their own characteristics, and provide some suggestions for further research and solutions in this field according to current technology.

关键词： Internet service providers

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Advanced Test Modelling and Execution Based on the international Standardized Techniques TTCN-3 and UTP

Advanced Test Modelling and Execution Based on the Internati...

引用

international Standard conference on Trustworthy Computing and services (ISCTCS)

作者： Rennoch, Axel Wendland, Marc-Florian Hoffmann, Andreas Schneider, Martin Fraunhofer FOKUS D-10589 Berlin Germany

ISBN: (纸本)9783662474013;9783662474006

In systems and service engineering testing is an important part to get confidence in quality and trust in security issues. Standardized testing techniques support the unique definition of abstract test models, configurations and behavior scenarios that can be executed automatically. This contribution presents the state of the art and future directions of two international standards for testing: the Testing and Test Control Notation (TTCN-3) from the European Telecommunication Standardization Institute (ETSI), and the UML testing profile (UTP) from the Open Management Group (OMG). Special emphasize is given to the translation from UTP to TTCN-3 test models, automated test execution using standard-compliant tool support and related examples from European projects.

关键词： Test automation Model-based test design TTCN-3 UML UTP

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A Full service Model for Vehicle Scheduling in One-Way Electric Vehicle Car-Sharing systems 2nd

A Full Service Model for Vehicle Scheduling in One-Way Elect...

引用

2nd international conference on Internet of Vehicles (IOV)

作者： Wang, Hongman Li, Zhaohan Zhu, Xiaolu Liu, Zhihan Beijing Univ Posts & Telecommun State Key Lab Networking & Switching Technol Beijing 100088 Peoples R China

ISBN: (纸本)9783319272931;9783319272924

The optimization of vehicle scheduling problem in electric vehicle (EV) Car-Sharing systems has always been a hotspot with the rapid development of EVs these years. In this paper, a research and design of full service model based on vehicle recommendation and scheduling algorithm for EV Car-Sharing systems has been presented. It leads to efficient vehicle management when there are needs to control cars in the whole station network and recommend appropriate vehicle to customers. Based on the IOV (Internet of Vehicles) Platform for EV Operation and service, a new algorithm of vehicle recommendation and scheduling strategy for Car-Sharing systems is proposed that this problem can be regarded as a multi-objective optimization model. Through the analysis of EV Car-Sharing system model, factors like time matching, station recommendation, vehicle utilization and customer satisfaction have been discussed and data sharing is also the superiority in our full service model, compared with the controlled service model and conditional service model. Meanwhile, the algorithm has been simulated and verified in the station network model of GreenGo Car-Sharing system, which is a fast developing electric Car-Sharing project in Beijing. The simulation results have demonstrated that the proposed algorithm is efficient.

关键词： EV Car-Sharing systems Vehicle scheduling Multi-objective optimization

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Opportunity identification and business performance of design startups in the first year of entrepreneurship

Opportunity identification and business performance of desig...

引用

international conference on Applied system Innovation (ICASI)

作者： Wei-Ken Hung Yu-Chieh Yeh Lin-Lin Chen Department of Industrial Design National United University Taiwan Department of Industrial and Commercial Design National Taiwan University of Science and Technology Taiwan

ISBN: (纸本)9781467398893

In this study, we interviewed two founders of design startups and investigated the features of and motivations for their entrepreneurship. We explored their entrepreneurial opportunities, environments, and resources, and examined their business performance in the first year of entrepreneurship. The findings are summarized as follows: (1) Both founders earned a master's degree, received many design awards, and demonstrated excellent industrial design skills. In addition, they had many freelancing experiences, established their own regular clients, and created a network of partnerships with other organizations before establishing their companies. Therefore, they clearly identified entrepreneurial opportunities, the entrepreneurial risk was relatively low, and limited resources were invested. (2) It is likely that the design business environment has changed since 2011-2012 in Taiwan. Governmental promotion of cultural and creative industries (e.g., venture grants, counseling grants) accelerated the interviewees' decisions to design entrepreneurships. The proliferation of opportunities to sell and exhibit works through physical channels (e.g., offline design stores, cultural and creative industry parks around Taiwan) and virtual channels (e.g., online stores, crowdfunding sites) have substantially decreased the difficulties of selling self-brand designer products. (3) Both design startups developed self-brand products during the first year. Developing self-brand products contribute to the value of offered design services, not only improve the manufacturing capability of design startups but also increase the visibility of design startups to potential clients through physical and virtual exhibitions. (4) The government is a crucial supporter of design startups. Regarding the business performance of the two startups in the first year, 75% of the revenue was from design service fees, and over half of this income was from quasi-governmental corporations or government-related

关键词： Decision support systems Entrepreneurship

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Detection of Abnormalities of Retina Due to Diabetic Retinopathy and Age Related Macular Degeneration Using SVM

Detection of Abnormalities of Retina Due to Diabetic Retinop...

引用

2016 international conference on Applied Mathematics and Data science (ICAMDS2016)

作者： Amrita Roy Chowdhury Sreeparna Banerjee Computer Science and Engineering Department West Bengal University of Technology Natural Science Department West Bengal University of Technology

Diabetic Retinopathy and Age related Macular Degeneration are two major retinal diseases which are creating serious concern in today's age. Detection of preliminary signs of abnormalities due to these diseases is hard and time consuming for the ophthalmologists as the abnormal objects are very fine and small in size. As early detection of abnormalities can prevent permanent vision loss, a semi automated system is developed to detect the affected portion of retina and is tested with some retinal images. A training image set is used to train a support vector machine classifier. A test image set is given to the classifier for automatic detection of disease type. Efficiency of the classifier is tested comparing the actual value and predicted value by the classifier.

关键词： Hard Exudates(HE) Soft Exudates(SE) Micro Aneurysms(MA) Hemorrhages(HAM) Fuzzy C Means(FCM)

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Defining Measures for Location Visiting Preference 6

Defining Measures for Location Visiting Preference

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6th international conference on Emerging Ubiquitous systems and Pervasive Networks (EUSPN) / 5th international conference on Current and Future Trends of Information and Communication Technologies in Healthcare (ICTH)

作者： Song, Ha Yoon Choi, Dong Yun Hongik Univ Dept Comp Engn Seoul South Korea

For better location based service or better analysis of human mobility pattern, measures for presenting frequently visiting locations are usually required. In this paper, we will establish related measures for specific meaningful locations. Location points as well as Location clusters are objects of the measurements. In order to represent the degree of a specific location visit, the degree of location visit called Position Frequency (PF), and Inverse Location Frequency (ILF) are defined. In order to represent the degree of location area (cluster) visit, Inverse Cluster Frequency (ICF) is established. Moreover, along with the frequency of location visit, the duration of location visit is also considered. Therefore Position Duration (PD), Inverse Location Duration (ILD), and Inverse Cluster Duration (ICD) are defined. Using R language, real positioning data set collected by volunteers are analyzed in order to demonstrate the usefulness of these measures. The definitions of measures and the application of measures will be presented. (C) 2015 The Authors. Published by Elsevier B.V.

关键词： Human Location Preference Measures of Location Visit Position Frequency Inverse Location Frequency Inverse Cluster Frequency Position Duration Inverse Location Duration Inverse Cluster Duration Positioning Data Analytics Location Base service

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jBPM4S: A multi-tenant extension of jBPM to support BPaaS 3rd

jBPM4S: A multi-tenant extension of jBPM to support BPaaS

引用

3rd Asia Pacific conference on Business Process Management, AP-BPM 2015

作者： Yu, Dongjin Zhu, Qi Guo, Dalong Huang, Binbin Su, Jianwen School of Computer Hangzhou Dianzi University Hangzhou310018 China Department of Computer Science UC Santa Barbara Santa Barbar United States

ISBN: (纸本)9783319195087

BPaaS, or Business Process as a service, is an advanced model of SaaS in which the Business Process Management system is deployed as a hosted service and accessed over the Internet without the need for the user to deploy and maintain additional on-premise IT infrastructure. In this paper, we present an architectural design and implementation of a BPaaS system, called jBPM4S. jBPM4S is an extension of jBPM, and further provides process-related services to be invoked by multiple tenants on their demands over the Internet. It leverages Spring Framework to manage transactions of process instance execution and expose its universal process services that are unrelated to the specific business through the means of Web services. The case study based on jBPM4S demonstrates the effectiveness and efficiency of such service based process management facility. © Springer international Publishing Switzerland 2015.

关键词： Web services

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Combination of evaluation methods for assessing the quality of service for express delivery industry 16th

Combination of evaluation methods for assessing the quality ...

引用

16th international conference on Web Information systems Engineering, WISE 2015

作者： Lou, Qing Zhang, Shao-Zhong Song, William Wei Institute of Electronics and Information Zhejiang Wanli University Ningbo Zhejiang China Information Systems and Business Intelligence Dalarna University BorlängeSE-791 88 Sweden

ISBN: (纸本)9783319261867

In the view of the current service development of the express delivery industry and the data quality problem experienced thereof, we consider to construct an index-based evaluation system for the service quality for the express delivery industry through the analysis of market investigation and data analysis. This system applies analytic hierarchy process (AHP), to survey expert’s options and obtain the index weights. The analytical evaluation of service quality for the specific express delivery company is conducted with the fuzzy comprehensive evaluation method. A service satisfaction degree for the express delivery company is generated to improve the overall service performance. Through evaluating results of the solution to the problems in the quality of service, this paper aims at establishing a guideline to improve their service quality for express delivery enterprises. This research aims at the development of a novel method for service quality evaluation in the area of the fast growing businesses of express delivery enterprises. © Springer international Publishing Switzerland 2015.

关键词： Quality of service

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A metadata management strategy based on event-classification in intelligent transportation system 1

引用

15th international conference on Algorithms and Architectures for Parallel Processing, ICA3PP 2015

作者： Su, Yayun Zhang, Yaying Key Laboratory of Embedded System and Service Computing Tongji University Shanghai200092 China

ISBN: (数字)9783319271194

ISBN: (纸本)9783319271187

With the explosive growth of data information, the object-oriented storage system has been widely used. This paper proposed a metadata management strategy based on Distributed File system-Ceph in terms of event classification, taking advantage of the characteristics of data in urban traffic system. The large amount of data with a wide variety of sources and data types was first classified by machine learning, and a classification model was established. Then, improvements on load balancing were made to the existing Ceph Load Balancing Strategy of metadata partition. The metadata partitioning is to assign and migrate metadata obtained from the event classification model to the target server chosen by the fuzzy optimum method. Experimental results show that the proposed load balancing strategy based on event classification can not only make the overall load of the metadata servers in a relatively stable state but also make the migration times less than that of other algorithms. The extra overhead of the system is also reduced. © Springer international Publishing Switzerland 2015.

关键词： Metadata

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1.25 GHz Single-photon Detection with Sinusoidally Gated InGaAs/InP Avalanche Photodiode

1.25 GHz Single-photon Detection with Sinusoidally Gated InG...

引用

2016 4th international conference on Machinery,Materials and Information Technology Applications(ICMMITA 2016)

作者： Yuanjin Chen Zinan Huang Guomin Bai Heping Zeng Yan Liang Shanghai Key Laboratory of Modern Optical System Engineering Research Center of Optical Instrument and SystemMinistry of EducationSchool of Optical-Electrical and Computer EngineeringUniversity of Shanghai for Science and Technology State Key Laboratory of Precision Spectroscopy East China Normal University

The InGaAs/InP avalanche photodiodes(APDs) are one of the most practical devices for single-photon detection at the near-infrared wavelengths. In this paper, we report a Chinese-made InGaAs/InP APD based single-photon detector operated at 1.25 GHz. The combining technique of sine-wave gating and low-pass filtering was employed to suppress the spike noise. Detection efficiency of 20% was attained with the dark count rate of 2.34×10 per gate and the afterpulse probability of 2.1% at-25°C. These performance parameters were measured to be approximately the same as the imported APD, showing that the manufacturing technology and performance of the InGaAs/InP APD had a great progress in China.

关键词： single-photon detection sine-wave gating dark count rate afterpulse

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