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A partial workload offloading framework in a mobile cloud computing context 8

A partial workload offloading framework in a mobile cloud co...

引用

IEEE 8th International conference on Service-Oriented computing and Applications

作者： Valery, Olivier Chou, Ju-Cheng Tsao, Yulin Liu, Pangfeng Wu, Jan-Jan Natl Taiwan Univ Dept Comp Sci & Informat Engn Taipei Taiwan Natl Taiwan Univ Grad Inst Networking & Multimedia Dept Comp Sci & Informat Engn Taipei Taiwan Acad Sinica Res Ctr Informat Technol Innovat Inst Informat Sci Taipei Taiwan

ISBN: (纸本)9781467394697

Mobile devices have become increasingly prevalent in recent years, leading the public to reassess their expectations in terms of user experience. As a result, industry has progressively turned to utilizing hardware components, such as GPUs (graphics processing units), which are traditionally present on computers. Despite their sophistication, mobile devices lack the capacity to execute resource-intensive tasks quickly and efficiently, and the state of the art is to leverage heterogeneous cloud resources to augment mobile devices. However, network transfer costs drastically limit the advantage of this approach. While performing computing tasks on a heterogeneous system is a well-studied area, how to offload workload onto a heterogeneous cloud in the presence of an unstable network remains an outstanding problem. This paper presents the design and implementation of a workload offloading framework that transparently mitigates the network transfer cost and takes advantage of a heterogeneous resource-rich cloud for speeding up mobile devices' GPGPU computations. Our approach is based on an adaptive method that partitions the workload and maps the processing elements to heterogeneous local and remote resources. By partitioning the tasks, our system increases the utilization of mobile and server resources while reducing the amount of data to transfer over the network. Our results show that adaptive partitioning can have a significant impact on the performance of benchmarks, even in a dynamic environment.

关键词： GPGPU mobile cloud computing pervasive computing computation offloading heterogeneous system resource mapping

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Can i Help You Setting Your Privacy? A Survey-based Exploration of Users' Attitudes towards Privacy Suggestions 2015

Can i Help You Setting Your Privacy? A Survey-based Explorat...

引用

13th International conference on Advances in Mobile computing and multimedia, MoMM 2015

作者： Reinhardt, Delphine Engelmann, Franziska Hollick, Matthias University of Bonn Fraunhofer FKIE Bonn Germany Secure Mobile Networking Lab TU Darmstadt Darmstadt Germany

ISBN: (纸本)9781450334938

Even avid users of mobile applications turn a blind eye to privacy settings. Still mobile applications remain the key means by which users share sensitive personal information. It is unclear if users just do not care, if they are missing the appropriate tools or user interfaces, or if they live in the delusion of being in control of their data. We argue that non-user-friendly design presents a key obstacle in making privacy controls work: it hinders users to e-ectively set up and maintain privacy settings. Our ultimate goal is to support the user by automatically suggesting access control lists based on an analysis of her communication *** guide us in the design of such privacy suggestions, we perform an explorative questionnaire-based study with 42 participants. Our results con-rm that users are overtaxed with existing schemes. We identify the expectations and preferences of users, thus facilitating the design of improved solutions. © 2016 ACM.

关键词： Surveys

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A Hybrid Algorithm for DAG Application Scheduling on Computational Grids 1

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1st International conference on Mobile, Secure, and Programmable networking (MSPN)

作者： Bouali, Lyes Oukfif, Karima Bouzefrane, Samia Oulebsir-Boumghar, Fatima UMMTO LARI Lab Tizi Ouzou Algeria UMMTO Compute Sci Dept Tizi Ouzou Algeria USTHB LRPE Lab Bab Ezzouar Algeria CNAM CEDRIC Lab Paris France

ISBN: (数字)9783319257440

ISBN: (纸本)9783319257440;9783319257433

In the late three decades, grid computing has emerged as a new field providing a high computing performance to solve larger scale computational demands. Because Directed Acyclic Graph (DAG) application scheduling in a distributed environment is a NP-Complete problem, meta-heuristics are introduced to solve this issue. In this paper, we propose to hybridize two well-known heuristics. The first one is the Heterogeneous Earliest Finish Time (HEFT) heuristic which determines a static scheduling for a DAG in a heterogeneous environment. The second one is Particle Swarm Optimization (PSO) which is a stochastic meta-heuristic used to solve optimization problems. This hybridization aims to minimize the makespan (i.e., overall completion time) of all the tasks within the DAG. The experimental results that have been conducted under hybridization show that this approach improves the scheduling in terms of completion time compared to existing algorithms such as HEFT.

关键词： Grid computing Task scheduling Directed acyclic graph Heterogeneous earliest finish time algorithm Particle swarm optimization algorithm Makespan

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Graph- and Cloud-Based Tools for Computer Science Education 1

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1st International conference on Mobile, Secure, and Programmable networking (MSPN)

作者： Kasyanov, Victor N. Kasyanova, Elena V. Novosibirsk State Univ Inst Informat Syst Novosibirsk 630090 Russia

ISBN: (数字)9783319257440

ISBN: (纸本)9783319257440;9783319257433

In the paper, the graph- and cloud-based tools being under development at Institute of Informatics Systems in Novosibirsk for supporting of computer science education are presented. The Web-systems Wiki GRAPP and WEGA intended to help in teaching and research in graph theory, graph algorithms and their applications to computer science are described. The visual systems Higres and Visual Graph for graphs and graph algorithms are presented. The cloud system CSS aimed at supporting of functional and parallel programming is considered.

关键词： Cloud computing Computer science education Graphs Graph algorithms Information visualization Parallel programming Web-systems

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Designing a micro-volunteering platform for situated crowdsourcing

Designing a micro-volunteering platform for situated crowdso...

引用

18th ACM conference Companion on Computer Supported Cooperative Work and Social computing, CSCW 2015 Companion

作者： Huang, Yi-Ching Graduate Institute of Networking and Multimedia National Taiwan University Taiwan

ISBN: (纸本)9781450329460

Situated crowdsourcing has emerged to overcome the limitations of online and mobile crowdsourcing to allow people to perform a task by embedding an interface in a physical space. However, crowdsourcing for non-profits is a challenge in situated crowdsourcing platform. My dissertation investigates whether micro-volunteering can be applied successfully to a situated crowdsourcing platform for contributing problem-solving efforts with high-quality results.

关键词： Crowdsourcing

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Design of communication architecture to support stream data over content-centric networking 15

Design of communication architecture to support stream data ...

引用

10th International conference on Future Internet, CFI 2015

作者： Kawasaki, Kenya Ata, Shingo Murata, Masayuki Graduate School of Information Science and Technology Osaka University 1-5 Yamadaoka Suita-shi Osaka565-0871 Japan Graduate School of Engineering Osaka City University 3-3-138 Sugimoto Sumiyoshi-ku Osaka-shi Osaka558-8585 Japan

ISBN: (纸本)9781450335645

The future Internet is expected from the evolution of to- day's IP networks. Content-centric networking (CCN) is a promising future communication architecture, and there has been much research into its applications and architec- ture. However, the most of communications in CCN focus on the delivery of individual content by using application specific interest-data exchanges. There are few studies on a generic framework for the delivery of multimedia data, which contains a series of content generated periodically. In this paper, we design and implement a system to sup- port a new type of communication model called stream data, which covers a various types of multimedia data such as streaming and sensing, and its form of delivery over CCN. To obtain two important features of stream data, which are random access and flexibility, we design a CCN architecture that includes a seamless naming/addressing architecture to enable content provider controls. In particular, we target embedded devices, which have limited hardware resources, to realize easy stream data delivery. In addition, we develop a prototype to verify the feasibility of our proposed archi- tecture. © 2015 ACM.

关键词： Electronic data interchange

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multimedia data transfer from IPV4-IPV6 in an optical network by using routing table 5

Multimedia data transfer from IPV4-IPV6 in an optical networ...

引用

2015 5th IEEE International Advance computing conference, IACC 2015

作者： Piruthiviraj, P. Sarvotham Prasad, R. Sharan, Preeta Nagaraj, R. Dept. of ECE Oxford College of Engineering Bangalore India

ISBN: (纸本)9781479980475

Internet Protocol version6 (IPv6) ad-hoc is a conceptual abstract to solve some of the issues of the present IP versions, say Internet Protocol version4 (IPv4). Some of the problems are delay, latency, reliability, error, address exhaustion, testing, resilience etc. The present paper will be dealing with the conversion from a protocol IPv4 to a next generation IPv6 via optical network configured with a routing table where the analysis of the liquidity of data like multimedia data transfer is done. A virtual connection path between server and client systems (as in the enterprise edition of Java -J2EE) is established using TCP (Transmission Control Protocol). The work proposed is allowed to implement networking via optical cables with a cost effective IPv4 migration to IPv6 for the multimedia communication while having a couple of optical converter devices explicitly. During experimental analysis, the tunnelling method of IPv4 to IPv6 conversion established via optical network with a routing table proved to be an easy verification routine. The duration required to ingress the data at the client end was evaluated and the results obtained while downloading an image file(.jpeg), audio file(.mp3) and video file(.mpeg4) are 0.21, 3, and 10 seconds respectively;the same selection of algorithms was also implemented with a streaming through a server at a bit rate of 10 Gbps. The file sizes of the different multimedia data is found to be constant for an image file, an audio file and a video file to be 20 Mb. Hence we have done an experimental analysis if these multimedia data is transferred via a client server configuration in the optical network by making use of our own routing table. © 2015 IEEE.

关键词： Internet protocols

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Improving the Reliability and the Performance of CAPE by Using MPI for Data Exchange on Network 1

引用

1st International conference on Mobile, Secure, and Programmable networking (MSPN)

作者： Van Long Tran Renault, Eric Viet Hai Ha Telecom SudParis Inst Mines Telecom Evry France Hue Univ Coll Educ Hue Vietnam

ISBN: (数字)9783319257440

ISBN: (纸本)9783319257440;9783319257433

CAPE - which stands for Checkpointing Aided Parallel Execution - has demonstrated to be a high-performance and compliant OpenMP implementation for distributed memory systems. CAPE is based on the use of checkpoints to automatically distribute jobs of OpenMP parallel constructs to distant machines and to automatically collect the calculated results on these machines to the master machine. However, on the current version, the data exchange on networks use manual sockets that require time to establish connections between machines for each parallel construct. Furthermore, this technique is not really reliable due to the risk of conflicts on ports and the problem of data exchange using stream. This paper aims at presenting the impact of using MPI to improve the reliability and the performance of CAPE. Both socket and MPI implementations are analyzed and discussed, and performance evaluations are provided.

关键词： CAPE OpenMP MPI High-performance computing Parallel programming

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Event-complementing online human life summarization based on social latent semantic analysis 10

Event-complementing online human life summarization based on...

引用

10th International conference on Computer Vision Theory and Applications, VISAPP 2015

作者： Ntalianis, Klimis S. Doulamis, Anastasios D. Athens University of Applied Sciences Department of Marketing Division of Computing 28 Agiou Spyridonos Str. Egaleo Athens12243 Greece National Technical University of Athens School of Rural and Surveying Engineering 9 Iroon Polytechniou Str. Zografou Athens157 73 Greece

ISBN: (纸本)9789897580901

In this paper, online human life summarization is performed, based on multimedia content, published on social media. The life summaries are also automatically annotated with events, persons, places etc. Towards this direction, initially a content preparation module is activated that includes an intelligent wrapper. The content preparation module scans social networks, extracts their pages and segments them into tokens, in an unsupervised way. Next multimedia content is kept and it is associated to its respective metadata. In the following step, a novel ranking mechanism puts multimedia content in order of importance based on usercontent interactions. Finally the event-complementing summarization module produces a meaningful annotated video clip, based on a spectral visual clustering technique and the innovative Social Latent Semantic Analysis algorithm. Experimental results illustrate the promising performance of the proposed architecture and set some foundations for future research.

关键词： Social networking (online)

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ETL transformation algorithm for Facebook opinion data 11

ETL transformation algorithm for Facebook opinion data

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11th International conference on Web Information Systems and Technologies, WEBIST 2015

作者： Walha, Afef Ghozzi, Faiza Gargouri, Faïez Multimedia InfoRmation Systems and Advanced Computing Laboratory Sfax Tunisia Institute of Computer Science and Multimedia Sfax University Sfax Tunisia

ISBN: (纸本)9789897581069

Considered as a rich source of information, social networking sites have been created lot of buzz because people share and discuss their opinions freely. Sentiment analysis is used for knowing voice or response of crowd for products, services, organizations, individuals, events, etc. Due to their importance, people opinions are analyzed in several domains including information retrieval, semantic web, text mining. These researches define new classification techniques to assign positive or negative opinion. Decisional systems like WeBhouse, known by their data-consuming must be enriched by this kind of pertinent opinions to give better help to decision makers. Nevertheless, cleaning and transformation processes recognized by several approaches as a key of WeBhouse development, don't deal with sentiment analysis. To fulfill this gap, we propose a new analysis algorithm which determines user's sentiment score of a post shared on the social network Facebook. This algorithm analyzes user's opinion depending on opinion terms and emoticons included in his comments. This algorithm is integrated in transformation process of ETL approach.

关键词： Sentiment analysis

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