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2012 IEEE Global engineering Education Conference, EDUCON 2012

作者： Adam, Jean-Michel Luján-Mora, Sergio Merceron, Agathe Milosz, Marek Toppinen, Arto Pierre Mends France University Grenoble France Department of Software and Computing Systems University of Alicante Alicante Spain Media Informatics Department Beuth University of Applied Sciences Berlin Germany Institute of Computer Science Lublin University of Technology Lublin Poland School of Engineering and Technology Savonia University of Applied Sciences Savonia Finland

The aim of the ERAMIS project is to set up a network of Master's degree Informatics as a Second Competence among 9 beneficiary universities of Kazakhstan, Kyrgyzstan and Russia, and 5 European universities. This c... 详细信息

关键词： computer science Double Diploma Introduction Faculty Development International Masters Network Master's degree Second Competence

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Visualizing traceability links between source code and documentation

Visualizing traceability links between source code and docum...

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IEEE Symposium on Visual languages and Human Centric Computing (VL/HCC)

作者： Xiaofan Chen John Hosking John Grundy Department of Computer Science University of Auckland Auckland New Zealand College of Engineering & Computer Science Australian National University Canberra Australia Centre for Computing & Engineering Software Systems Swinburne University of Technology Melbourne Australia

It is well recognized that visualizing traceability links between software artifacts helps developers to recover, browse, and maintain these inter-relationships effectively and efficiently. However, it is a major challenge for researchers to efficiently visualize traceability links for big software systems because of scalability and visual clutter issues. In this paper we present a new approach that combines treemap and hierarchical tree visualization techniques to provide a global structure of traces and a detailed overview of each trace. These both reduce visual clutter while still being highly scalable and interactive. Our usability study shows that our approach can support comprehension, browsing, and maintenance of traceability links.

关键词： Visualization Color Clutter Data visualization software systems Layout

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On relaying for wireless industrial communications: Is careful placement of relayers strictly necessary?

On relaying for wireless industrial communications: Is caref...

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IEEE International Workshop on Factory Communication systems (WFCS)

作者： Andreas Willig Elisabeth Uhlemann Department of Computer Science and Software Engineering University of Canterbury Christchurch New Zealand CERES: Center for Research on Embedded Systems Halmstad University Halmstad Sweden

Relaying is a very promising technique to improve the reliability of data transmission in wireless (industrial) networks. With relaying, relay nodes support source nodes in carrying out retransmissions. A common assumption is that relayers should be placed at “good” positions (e.g. in the middle between source and destination) to achieve benefits. In this paper we tackle the question of whether it is strictly necessary to place relayers at “good” positions (which often requires extensive measurements). We present results indicating that the benefits of relaying are achievable even with randomly placed relayers, as long as enough of them are deployed. Specifically, we present results suggesting that with a sufficient (and still not too high) number of randomly deployed relayers, the probability that all packets, sent by source nodes to a central controller in a TDMA round, reach the controller is larger than for the case with source-only retransmissions. This finding holds true both in the absence and the presence of feedback.

关键词： Relays Wireless communication Wireless sensor networks Schedules Receivers Reliability Time division multiple access

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Faculty development in the EU ERAMIS project

Faculty development in the EU ERAMIS project

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2012 IEEE Global engineering Education Conference, EDUCON 2012

作者： Merceron, Agathe Adam, Jean-Michel Lujan-Mora, Sergio Milosz, Marek Toppinen, Arto Media Informatics Department Beuth University of Applied Sciences Berlin Germany Laboratory of Informatics of Grenoble Pierre Mendes France University Grenoble France Department of Software and Computing Systems University of Alicante Alicante Spain Institute of Computer Science Lublin University of Technology Lublin Poland School of Engineering and Technology Savonia University of Applied Sciences Savonia Finland

The aim of the ERAMIS project is to create a Master degree computer as a Second Competence in 9 beneficiary universities of Kazakhstan, Kyrgyzstan and Russia. This contribution presents how faculty development is orga... 详细信息

关键词： Teaching

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Permanent Revocation in Attribute Based Broadcast Encryption

Permanent Revocation in Attribute Based Broadcast Encryption

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International Conference on Cyber Security (CyberSecurity)

作者： Shlomi Dolev Niv Gilboa Marina Kopeetsky Department of Computer Science Ben-Gurion University of the Negev Beersheva Israel Department of Communication Systems Engineering Ben-Gurion University of the Negev Beersheva Israel Department of Software Engineering Sami Shamoon College of Engineering Beersheva Israel

ISBN: (纸本)9781479902194

We propose a new and efficient scheme for broadcast encryption. A broadcast encryption system allows a broadcaster to send an encrypted message to a dynamically chosen subset RS, |RS|=n, of a given set of users, such that only users in this subset can decrypt the message. An important component of broadcast encryption schemes is revocation of users by the broadcaster, thereby updating the subset RS. Revocation may be either temporary, for a specific cipher text, or permanent. In the existing public key schemes which support temporary revocation of the users, the broadcaster is required to keep track of the revoked users. We present the first public key broadcast encryption scheme that supports permanent revocation of users. Unlike previous schemes, the broadcaster in our scheme should not keep track of the revoked users (saving memory and computation power). Our scheme is fully collusion-resistant. In other words, even if all the revoked users collude, the revoked user cannot encrypt messages without receiving new keys from the broadcaster. The procedure is based on Cipher-text Policy Attribute-Based Encryption (CP-ABE). The overhead of revocation in our system is constant in all major performance measures including length of private and public keys, computational complexity, user's storage space, and computational complexity of encryption and decryption. The scheme we construct improves on our original scheme in a poster presentation [7] by a factor of O(log n) in all major performance measures.

关键词： RS Broadcast Encryption Permanent Revocation Consumers BROADCASTERS cryptography ENCRYPTION SCHEMES Scheme Public key encrypted message encrypted system complexity classes Messages Subset

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High Availability through Output Continuity

High Availability through Output Continuity

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IEEE International Conference on Cluster Computing Workshops and Posters (CLUSTER WORKSHOPS)

作者： Wei Ye Yaozu Dong Ruhui Ma Alei Liang Haibing Guan Shanghai Key Laboratory of Scalable Computing and Systems Department of Computer Science and Engineering Shanghai Jiaotong University Shanghai China Intel China Software Center Shanghai China

Virtual machine (VM) based state machine approaches, i.e. VM replication, provide high availability without source code modifications, unfortunately, existing VM replication approaches suffer from excessive replication overheads. On the other hand, machine state replication is an overly strong (and therefore less efficient) requirement for high availability in the networked client-server system. In this paper, we propose a generic and highly efficient high availability solution through output continuity. Output continuity considers a backup server as a valid replica as long as the responses generated so far are the same between the backup and primary servers, the server state is propagated from the primary server to the backup server if and only if the previous outputs from the backup and primary servers are different.

关键词： Servers Availability Mathematical model Semantics Equations Hardware

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Bias analyses of spontaneous facial expression database

Bias analyses of spontaneous facial expression database

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International Conference on Pattern Recognition

作者： Zhaoyu Wang Shangfei Wang Yachen Zhu Qiang Ji Key Laboratory of Computing and Communicating Software of Anhui Province School of Computer Science and Technology University of Science and Technology of China Hefei Anhui China Department of Electrical Computer and Systems Engineering Rensselaer Polytechnic Institute Troy NY USA

ISBN: (纸本)9781467322164

In this paper, cross-corpora evaluations are used to analyze the bias of spontaneous facial expression databases. Local binary pattern, Gabor, eigenface and fisherface features are extracted and applied to the four spontaneous expression databases: USTC-NVIE, VAM, Belfast Naturalistic and SEMAINE to recognize arousal (high/low) and valance (positive/negative) respectively. Experimental results indicate that there exists bias among different spontaneous expression databases. The emotion-induction methods, the variety of subjects and the quantity of raters may have caused such a bias.

关键词： Databases Feature extraction Face recognition Videos Principal component analysis Training

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Integrated ship maneuverability simulation tool for very large crude oil carrier

International Journal of Digital Content Technology and its ...

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International Journal of Digital Content Technology and its Applications 2012年第13期6卷 542-548页

作者： Jaswar Maimun, Adi Selamat, Ali Priyanto, A. Zamani Pauzi Djuansjah, J.R.P. Naval Architecture and Offshore Engineering Department Faculty of Mechanical Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia Software Engineering Department Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia Johor Bahru Malaysia Material Engineering Department Faculty of Mechanical Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia

A good systematic input and output management system is more essential for ship maneuvering simulation to eliminate unnecessary error due to many considered factors such as hull shapes, shallow water, narrow channel, trim in loading and ballast condition, and propulsion system. In this paper, we proposed an Integrated Ship Maneuverability Simulation (SMS) tool to be used in investigating turning circle characteristics of a very large crude oil carrier (VLCC) at 35 degree of rudder angle. The input and output datasets from the surrounding environments of VLCC have been captured using special sensors and converted as input file to the Integrated Ship Maneuverability Simulation tool. The forces and moments acting on the hull which have been induced by propeller and rudder during maneuvering are calculated independently. Then, these forces and moments are integrated to the SMS tool in order to get a total dynamic effect on ship maneuvering performance. The simulation results using SMS tool have been compared with the experimental datasets for validation. From the comparison, the proposed SMS tool has been able to simulate ship maneuvering performance good agreement with the experimental dataset.

关键词： Rudders

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An Embedded Co-AdaBoost and Its Application in Classification of software Document Relation

An Embedded Co-AdaBoost and Its Application in Classificatio...

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International Conference on Semantics, Knowledge and Grid (SKG)

作者： Jin Liu Juan Li Yuan Xie Jeff Lei Qiping Hu State Key Laboratory of Software Engineering Computer School Wuhan University China State Key Laboratory of Intelligent Control and Management of Complex Systems Institute of Automation CAS China Department of Computer Science and Engineering University of Texas Arlington USA International School of Software Wuhan University China

To enhance classification performance by making use of easily available unlabelled data to overcome the scarcity of labelled data, this paper proposes an Embedded Co-Adaboost algorithm that integrates multi-view learning into the Adaboost learning framework and at the same time leverages the advantages of Co-training algorithm for performance enhancement. Experimental results demonstrate the effectiveness of the proposed algorithm in terms of the convergence rate, the accuracy, and the steady performance as compared to the original AdaBoost algorithm, without relying on redundant and sufficient feature sets. As a algorithm application in software engineering, the Embedded Co-AdaBoost has been applied to the classification of software document relations to improve the quality of the architecture design documents and the reusability of design knowledge.

关键词： Classification algorithms Training software Accuracy Partitioning algorithms software algorithms Convergence

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Identity Based Encryption and Biometric Authentication Scheme for Secure Data Access in Cloud Computing

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电子学报(英文版) 2012年第2期21卷 254-259页

作者： CHENG Hongbing RONG Chunming TAN Zhenghua ZENG Qingkai State Key Laboratory for Novel Software Technology Nanjing University Nanjing 210093 China Department of Information Engineering Jiangsu City Vocation College Nanjing 210036 China Department of Electronic Engineering and Computer Science University of Stavanger 4036 Stavanger Norway Department of Electronic Systems Aalborg University Niels Jernes Vej 12 9220 Aalborg Denmark

Cloud computing will be a main information infrastructure in the future;it consists of many large datacenters which are usually geographically distributed and heterogeneous. How to design a secure data access for cloud computing platform is a big challenge. In this paper, we propose a secure data access scheme based on identity-based encryption and biometric authentication for cloud computing. Firstly, we describe the security concern of cloud computing and then propose an integrated data access scheme for cloud computing, the procedure of the proposed scheme include parameter setup, key distribution, feature template creation, cloud data processing and secure data access control. Finally, we compare the proposed scheme with other schemes through comprehensive analysis and simulation. The results show that the proposed data access scheme is feasible and secure for cloud computing.

关键词：计算安全数据访问身份验证生物识别加密信息基础设施地理分布数据中心

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