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International Conference on Wireless Communications and Signal Processing (WCSP)

作者： Ping Zhang Nan Yan Jian Lu Qiao Wang Key Laboratory of Computer Application Technology Anhui Polytechnic University Wuhu China School of Information Science and Engineering Southeast University Nanjing China

ISBN: (纸本)9781509028610

Alleviating sensor location error is essential for promoting the quality of various location based services. Compared with the existing approaches which utilize the calibrators with known locations, e.g., GPS, this paper investigates the calibration performance which uses only the measurements from sources in unknown locations. Since no reference information is involved, it is revealed in this paper that only part of sensor location uncertainty can be reduced. For example, in a network with six or more sensors, at least three sources are required for reducing the sensor relative location error by time-difference-of-arrival (TDOA) measurements, while there still exists uncertainty in the network global location and orientation. The calibration performance under other measurements or sensor-source numbers is also provided, and the efficiency of the maximum likelihood estimation (MLE) is confirmed in simulations.

关键词： Calibration Measurement uncertainty Maximum likelihood estimation Shape Uncertainty Sensor arrays Covariance matrices

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A new agile paradigm for mission-critical software development

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CrossTalk 2016年第6期29卷 25-30页

作者： Messina, Angelo Fiore, Franco Ruggiero, Mario Ciancarini, Paolo Russo, Daniel Defence and Security Software Engineering Association - DSSEA United States NATO Communication and Information Agency Application Services United States Department of Computer Science and Engineering - DISI University of Bologna CINI Italy

The Agile paradigm, as intended in the 2001 "Agile Manifesto," brought a disruptive software development methodology. However, with regard to mission- and security-critical organizations, traditional Agile methodologies are quite ineffective because they do not clearly address issues of (1) quality and (2) security. Within the Italian Army General Staff Logistic Department, a new Agile methodology was introduced to tackle quality and security issues in a classified and mission-critical context.

关键词： Software design

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A Measurement Model for Trustworthy Software Based on Trusted Evidences

A Measurement Model for Trustworthy Software Based on Truste...

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International Symposium on System and Software Reliability (ISSSR)

作者： Yan Li Yixiang Chen MoE Engineering Center for Harware/Software Co-design Technology and its Application Shanghai School of Computer Science and Software Engineering East China Normal University Shanghai

ISBN: (纸本)9781509055647

Software trustworthiness is an important area of software reliability. How to measure it is a challenging. This paper aims at developing a new measurement model of software trustworthiness. For this propose, we first define the trusted evidence as a program unit or element which causes the untrustworthy. Then, we classify them and propose a measurement model to measure the degree of software trustworthiness. Finally, a case study is given to show the validity of the proposed model.

关键词： Software Software measurement Complexity theory Software reliability Runtime Accidents computers

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Efficient Emergency Forwarding to Prevent Message Broadcasting Storm in Mobile Society via Vehicle-to-X Communications for 5G LTE-V

Efficient Emergency Forwarding to Prevent Message Broadcasti...

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International computer Symposium (ICS)

作者： Ben-Jye Chang Ying-Hsin Liang Yao-De Huang Department of Computer Science and Information Engineering National Yunlin University of Science and Technology Taiwan ROC Department of Multimedia Animation and Application Nankai University of Technology Taiwan ROC

ISBN: (纸本)9781509034390

The self-driving car become a completely novel application to fulfill highly safe driving era, in which the Vehicle-to-X (V2X) communications and cloud computing act as the key technologies. In such new-trend applications, for shortening the emergency messages transmitting or sharing among the self-driving cars and human-driving cars, the message broadcasting is adopted, but suffers from the broadcasting storm and message flooding. Clearly, for the mobile society via V2X, the message broadcasting protocol leads to an unpredictable long forwarding delay and degrades the QoS of real-time transmission and the synchronization interval of the adaptive cruise control (ACC). This paper thus proposes an efficient emergency message forwarding approach to guarantee the broadcasting delay and to prevent the broadcasting storm for V2X communications in 5G mobile society. Numerical results demonstrate that the proposed approach outperforms the compared approaches in transmission range, connectivity probability, total number of forwarding messages, number of hop-counts, and end-to-end delay.

关键词： Broadcasting Roads Delays Wireless communication Mobile communication Accidents Environmental management

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VColor: A practical vertex-cut based approach for coloring large graphs

VColor: A practical vertex-cut based approach for coloring l...

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International Conference on Data engineering

作者： Yun Peng Byron Choi Bingsheng He Shuigeng Zhou Ruzhi Xu Xiaohui Yu Research Center of Big Data Application Qilu University of Technology Department of Computer Science Hong Kong Baptist University School of Computer Engineering Nanyang Technological University SKLIIP Fudan University School of Computer Science Shandong University

ISBN: (纸本)9781509020218

Graph coloring is a fundamental NP-hard problem in graph theory. It has a wide range of real applications, such as Operations Research, Communication Network, Computational Biology and Compiler Optimization. Notable efforts have been spent on designing its approximation algorithms. Halldrsson proposed the algorithm (denoted as SampleIS) with the current best known approximation ratio. However, its time complexity is O(|G|3), where |G| is the number of vertices of a graph G. It is clear that SampleIS is not practical for large graphs. In this paper, we propose a practical vertex-cut based coloring technique (VColor) for coloring large graphs. First, we partition G into k connected components (CCs) of a small size s by removing a vertex-cut component (VCC). For each CC, we apply our novel coloring algorithm, based on maximal independent set enumeration. The approximation ratio and the time complexity for coloring the k CCs are log s + 1 and O(ks23s/3), respectively, whereas those of SampleIS are ks(log log ks)2/ log3 ks and O(k3s3). For the VCC, we simply apply SampleIS. To combine the colorings of the CCs and the VCC, we propose a maximum matching based algorithm. Second, in the context of a database of graphs, users may color many graphs. We propose an optimization technique, inspired by multi-query optimization, for coloring a set of graphs. We design a VP hierarchy (VPH) to represent the common subgraphs as the common CCs. Third, we propose techniques for determining the optimal values of the parameters of VColor. Our extensive experimental evaluation on real-world graphs confirms the efficiency and/or effectiveness of our proposed techniques. In particular, VColor is more than 500 times faster than SampleIS, and the number of colors used are comparable on real graphs Yeast and LS.

关键词： Color Approximation algorithms Optimization Algorithm design and analysis Partitioning algorithms Interference Electronic mail

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IRMD: Malware Variant Detection Using Opcode Image Recognition

IRMD: Malware Variant Detection Using Opcode Image Recogniti...

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International Conference on Parallel and Distributed Systems (ICPADS)

作者： Jixin Zhang Zheng Qin Hui Yin Lu Ou Yupeng Hu College of Computer Science and Electronic Engineering Hunan University Hunan China Hunan Key Laboratory of Big Data Research and Application Hunan China

ISBN: (纸本)9781509053827

Malware detection becomes mission critical as its threats spread from personal computers to industrial control systems. Modern malware generally equips with sophisticated anti-detection mechanisms such as code-morphism, which allows the malware to evolve into many variants and bypass traditional code feature based detection systems. In this paper, we propose to disassemble binary executables into opcodes sequences, and then convert the opcodes into images. By using convolutional neural network to compare the opcode images generated from binary targets with the opcode images generated from known malware sample codes, we can detect if the target binary executables is malicious. Theoretical analysis and real-life experiments results show that malware detection using visualized analysis is comparable in terms of accuracy, our approach can significantly improve 15% of detection accuracy when the detection set contains a large quantity of binaries and the training set is much smaller.

关键词： Malware Image recognition Training Feature extraction Image reconstruction Histograms Neural networks

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Large Scale Network Topology Visualization System Based on ***

Large Scale Network Topology Visualization System Based on *...

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2016 International Conference on Artificial Intelligence: Technologies and applications (ICAITA 2016)

作者： Yuxiao Wang Yuanzhang Li Yu'an Tan Quanxin Zhang Jun Zheng School of Computer Science and Technology Beijing Institute of Technology Beijing Engineering Research Center of Massive Language Information Processing and Cloud Computing Application

ISBN: (纸本)9781510820524

with the rapid development of visualization,network visualization has become an important branch,which is applied in many aspects of life such as business,education and virtual *** existed network visualization systems are based on small volume and static *** with the incessant expansion of modern internet scale,traditional tools' practicality *** huge information of network clearly and effectively will be of great *** our paper,large-scale network topology visualization system is finished by using Web 3D technique—*** in process of building and analysis,which can display topology *** middleware,*** can transfer communication data forward or backward instantaneously,which can solve the problem of dynamic and real-time 3D ***-Webkit framework helps realize its cross-platform *** solution can run smoothly and clearly under the 103 order of magnitudes network *** makes large scale network visualization more direct and convenient.

关键词： web 3D three.JS network topology visualization node.JS

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Scalable protocol for cross-domain group password-based authenticated key exchange

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Frontiers of computer science 2015年第1期9卷 157-169页

作者： Cong GUO Zijian ZHANG Liehuang ZHU Yu-an TAN Zhen YANG Beijing Engineering Research Center of Massive Language Information Processing and Cloud Computing Application School of Computer Science and Technology Beijing Institute of Technology Beijing 100081 China

Cross-domain password-based authenticated key exchange （PAKE） protocols have been studied for many years. However, these protocols are mainly focusing on multi-participant within a single domain in an open network environment. This paper proposes a novel approach for designing a cross-domain group PAKE protocol, that primarily handles with the setting of multi-participant in the multi- domain. Moreover, our protocol is proved secure against active adversary in the Real-or-Random （ROR） model. In our protocol, no interaction occurs between any two domain authentication servers. They are regarded as ephemeral certificate authorities （CAs） to certify key materials that participants might subsequently use to exchange and agree on group session key. We further justify the computational complexity and measure the average computation time of our protocol. To the best of our knowledge, this is the first work to analyze and discuss a provably secure multi-participant cross-domain group PAKE protocol.

关键词： cross-domain password-based authenticated key exchange （PAKE） group key exchange Real-Or-Random （ROR） model provable secure

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Erratum to: Higgs boson production cross-section measurements and their EFT interpretation in the 4 ℓ decay channel at s = 13 TeV with the ATLAS detector

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The European Physical Journal C 2021年第5期81卷 1-15页

作者： Aad, G. Abbott, B. Abbott, D. C. Abud, A. Abed Abeling, K. Abhayasinghe, D. K. Abidi, S. H. AbouZeid, O. S. Abraham, N. L. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B. S. Achkar, B. Adam, L. Bourdarios, C. Adam Adamczyk, L. Adamek, L. Adelman, J. Adersberger, M. Adiguzel, A. Adorni, S. Adye, T. Affolder, A. A. Afik, Y. Agapopoulou, C. Agaras, M. N. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J. A. Ahmad, A. Ahmadov, F. Ahmed, W. S. Ai, X. Aielli, G. Akatsuka, S. Åkesson, T. P. A. Akilli, E. Akimov, A. V. Khoury, K. Al Alberghi, G. L. Albert, J. Verzini, M. J. Alconada Alderweireldt, S. Aleksa, M. Aleksandrov, I. N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, B. M. M. Allen, B. W. Allport, P. P. Aloisio, A. Alonso, F. Alpigiani, C. Camelia, E. Alunno Estevez, M. Alvarez Alviggi, M. G. Coutinho, Y. Amaral Ambler, A. Ambroz, L. Amelung, C. Amidei, D. Santos, S. P. Amor Dos Amoroso, S. Amrouche, C. S. An, F. Anastopoulos, C. Andari, N. Andeen, T. Anders, J. K. Andrean, S. Y. Andreazza, A. Andrei, V. Anelli, C. R. Angelidakis, S. Angerami, A. Anisenkov, A. V. Annovi, A. Antel, C. Anthony, M. T. Antipov, E. Antonelli, M. Antrim, D. J. A. Anulli, F. Aoki, M. Pozo, J. A. Aparisi Aparo, M. A. Bella, L. Aperio Barrio, N. Aranzabal Ferraz, V. Araujo Pereira, R. Araujo Arcangeletti, C. Arce, A. T. H. Arduh, F. A. Arguin, J-F. Argyropoulos, S. Arling, J.-H. Armbruster, A. J. Armstrong, A. Arnaez, O. Arnold, H. Tame, Z. P. Arrubarrena Artoni, G. Asai, K. Asai, S. Asawatavonvanich, T. Asbah, N. Asimakopoulou, E. M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R. J. Atkinson, M. Atlay, N. B. Atmani, H. Augsten, K. Austrup, V. A. Avolio, G. Ayoub, M. K. Azuelos, G. Bachacou, H. Bachas, K. Backes, M. Backman, F. Bagnaia, P. Bahmani, M. Bahrasemani, H. Bailey, A. J. Bailey, V. R. Baines, J. T. Bakalis, C. Baker, O. K. Bakker, P. J. Bakos, E. Gupta, D. Bakshi Balaji, S. Baldin, E. M. Balek, P. Balli, F. Balunas, W. K. Balz, J. Ban CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman USA Department of Physics University of Massachusetts Amherst USA CERN Geneva Switzerland II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany Department of Physics Royal Holloway University of London Egham UK Department of Physics University of Toronto Toronto Canada Niels Bohr Institute University of Copenhagen Copenhagen Denmark Department of Physics and Astronomy University of Sussex Brighton UK Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion Israel Institute of Technology Haifa Israel High Energy Physics Division Argonne National Laboratory Argonne USA INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s CollegeLondon London UK Institut für Physik Universität Mainz Mainz Germany LAPP Université Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 Annecy France Faculty of Physics and Applied Computer Science AGH University of Science and Technology Krakow Poland Department of Physics Northern Illinois University DeKalb USA Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Department of Physics Bogazici University Istanbul Turkey Département de Physique Nucléaire et Corpusculaire Université de Genève Genève Switzerland Particle Physics Department Rutherford Appleton Laboratory Didcot UK Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz USA IJCLab Université Paris-Saclay CNRS/IN2P3 91405 Orsay France LPC Université Clermont Auvergne CNRS/IN2P3 Clermont-Ferrand France Institute for Mathematics Astrophysics and Particle Physics Radboud University Nijmegen/Nikhef Nijmegen The Netherlands Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Lab

A Correction to this paper has been published: https://***/10.1140/epjc/s10052-020-8227-9

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Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at sNN=5.02 TeV

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Physical Review Letters 2021年第12期127卷 122001-122001页

作者： A. M. Sirunyan A. Tumasyan W. Adam T. Bergauer M. Dragicevic J. Erö A. Escalante Del Valle R. Frühwirth M. Jeitler N. Krammer L. Lechner D. Liko T. Madlener I. Mikulec F. M. Pitters N. Rad J. Schieck R. Schöfbeck M. Spanring S. Templ W. Waltenberger C.-E. Wulz M. Zarucki V. Chekhovsky A. Litomin V. Makarenko J. Suarez Gonzalez M. R. Darwish E. A. De Wolf D. Di Croce X. Janssen T. Kello A. Lelek M. Pieters H. Rejeb Sfar H. Van Haevermaet P. Van Mechelen S. Van Putte N. Van Remortel F. Blekman E. S. Bols S. S. Chhibra J. D’Hondt J. De Clercq D. Lontkovskyi S. Lowette I. Marchesini S. Moortgat A. Morton Q. Python S. Tavernier W. Van Doninck P. Van Mulders D. Beghin B. Bilin B. Clerbaux G. De Lentdecker B. Dorney L. Favart A. Grebenyuk A. K. Kalsi I. Makarenko L. Moureaux L. Pétré A. Popov N. Postiau E. Starling L. Thomas C. Vander Velde P. Vanlaer D. Vannerom L. Wezenbeek T. Cornelis D. Dobur M. Gruchala I. Khvastunov M. Niedziela C. Roskas K. Skovpen M. Tytgat W. Verbeke B. Vermassen M. Vit G. Bruno F. Bury C. Caputo P. David C. Delaere M. Delcourt I. S. Donertas A. Giammanco V. Lemaitre K. Mondal J. Prisciandaro A. Taliercio M. Teklishyn P. Vischia S. Wuyckens J. Zobec G. A. Alves C. Hensel A. Moraes W. L. Aldá Júnior E. Belchior Batista Das Chagas H. Brandao Malbouisson W. Carvalho J. Chinellato E. Coelho E. M. Da Costa G. G. Da Silveira D. De Jesus Damiao S. Fonseca De Souza J. Martins D. Matos Figueiredo M. Medina Jaime C. Mora Herrera L. Mundim H. Nogima P. Rebello Teles L. J. Sanchez Rosas A. Santoro S. M. Silva Do Amaral A. Sznajder M. Thiel F. Torres Da Silva De Araujo A. Vilela Pereira C. A. Bernardes L. Calligaris T. R. Fernandez Perez Tomei E. M. Gregores D. S. Lemos P. G. Mercadante S. F. Novaes Sandra S. Padula A. Aleksandrov G. Antchev I. Atanasov R. Hadjiiska P. Iaydjiev M. Misheva M. Rodozov M. Shopova G. Sultanov M. Bonchev A. Dimitrov T. Ivanov L. Litov B. Pavlov P. Petkov A. Petrov W. Fang Q. Guo H. Wang L. Yuan M. Ahmad Z. Hu Y. Wang E. Chapon G. M. Chen H. S. Chen M. Chen T. Javaid A. Kapoor D. Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Wien Austria Institute for Nuclear Problems Minsk Belarus Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista São Paulo Brazil Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Beihang University Beijing China Rutgers The State University of New Jersey Piscataway New Jersey USA Department of Physics Tsinghua University Beijing China University of Virginia Charlottesville Virginia USA Institute of High Energy Physics Beijing China Massachusetts Institute of Technology Cambridge Massachusetts USA State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China The University of Kansas Lawrence Kansas USA Sun Yat-Sen University Guangzhou China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University Shanghai China Zhejiang University Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High En

The first measurement of the dependence of γγ→μ+μ− production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead interactions at sNN=5.02 TeV, with an integrated luminosity of approximately 1.5 nb−1, are collected using the CMS detector at the LHC. The azimuthal correlations between the two muons in the invariant mass region 88.3. The back-to-back correlation structure from leading-order photon-photon scattering is found to be significantly broader for events with a larger number of emitted neutrons from each nucleus, corresponding to interactions with a smaller impact parameter. This observation provides a data-driven demonstration that the average transverse momentum of photons emitted from relativistic heavy ions has an impact parameter dependence. These results provide new constraints on models of photon-induced interactions in ultraperipheral collisions. They also provide a baseline to search for possible final-state effects on lepton pairs caused by traversing a quark-gluon plasma produced in hadronic heavy ion collisions.

关键词： Nucleon-nucleon interactions Hadron colliders

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