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International Conference on Microwave, Optical and Communication engineering (ICMOCE)

作者： Alok R. Prusty Srinivas Sethi Ajit Kumar Nayak Computer Science & Engineering ITER Bhubaneswar Odisha India Computer Science Engineering & Application IGIT Sarang Odisha India Computer Science & Information Technology ITER Bhubaneswar

Energy is vital parameter for wireless ad hoc sensor network. Particularly it has more powerful requirement under dynamic environment. Clustering has made present wireless sensor network system energy aware due to data aggregation, data fusion and data compression at cluster heads. That results non redundant message generation and transmission, leads to minimum radio overhead. But, under fully dynamic network condition the result is not much satisfactory in Wireless Ad hoc Sensor Networks (WASNs). In this paper, an analytical approach has been presented to understand energy complexity of the network under highly dynamic, random and realistic mobile network environment of the sensor nodes in Cluster based WASN. It can help to design a novel energy efficient cluster routing protocol for wireless ad hoc sensor networks with mobility.

关键词： Ad hoc networks Complexity theory Wireless sensor networks Protocols Wireless communication Mobile communication Mobile computing

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ACACIA-ES: an agent-based modeling and simulation tool for investigating social behaviors in resource-limited two-dimensional environments

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Mind and Society 2016年第1期15卷 83-104页

作者： Zibetti, Elisabetta Carrignon, Simon Bredeche, Nicolas Laboratoire CHART-LUTIN (Cognition Humaine & Artificielle EA 4004 Université Paris 8 EPHE Paris Cité des Sciences et de l’Industrie Paris) Université Paris 8 2 rue de la liberté Saint Denis Cedex 02 93526 France Computer Application in Science and Engineering (CASE) Barcelona Supercomputing Center Edificio NEXUS II Campus Nord UPC Gran Capitán 2-4 Barcelona 08034 Spain Sorbonne Universités UPMC Univ Paris 06 UMR 7222 ISIR Paris 75005 France CNRS UMR 7222 ISIR Paris 75005 France

In this paper, we describe a framework for studying social agents’ individual decision making, that takes account of the environment and social dynamics. We describe a study in which we explored the efficiency of foraging strategies within a group of individuals faced with a resource-limited environment. We investigated to what extent cooperative and non-cooperative behaviors impacted on the survival rates of a population of individuals. In the experiment presented here, we considered two different types of individuals: selfish individuals who gather energy for their own use, and cooperative individuals who share the energy they gather with others, thus reducing their own individual chances of survival. In order to study the trade-off between non-cooperative and cooperative behaviors in a pseudo-realistic two-dimensional environment, we introduced an agent-based modeling and simulation tool called ACACIA-ES, which simulated local interactions and spatial behavior for large numbers of individuals in complex environments. The main result from our simulation was that a group of cooperative individuals displayed better survival strategies than groups of selfish individuals when faced with a variety of environmental pressures;however, it was very unlikely that such cooperative strategies could resist competition from selfish individuals, if the outcome of past social interactions was memorized, even when a very small group of selfish individuals was introduced. © 2015, Springer-Verlag Berlin Heidelberg.

关键词： Agent-based models Environmental pressures Global welfare Individual decision making Resource sharing

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A trust evaluation fluctuation model in the e-commerce

A trust evaluation fluctuation model in the e-commerce

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第27届中国控制与决策会议

作者： Zhang Jing Yu Shengjun Fan Hongbo Rong Hui Computer Technology Application Key Lab of Yunnan Province Kunming University of Science and Technology Faculty of Information Engineering and Automation Kunming University of Science and Technology Faculty of Art and Design Kunming Metallurgy College

ISBN: (纸本)9781479970186

E-commerce is becoming the main shopping *** trust decision-making is the most important factor which decides whether the transaction is successful or *** to offer people an accurate and objective trust is a basic issue that scholars must face and *** can measure the stability of a set of data and help us avoid risk to some *** order to prevent fraud and deception,this paper proposes a trust evaluation fluctuation model based on historical rating data.A new reward and punishment mechanism is added into the *** results of simulation experiments prove the practicality and validity of the model.

关键词： decision-making trust volatility fraud and deception

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Analysis of 1/f noise for polycrystalline silicon TFTs considering mobility power-law parameter

Analysis of 1/f noise for polycrystalline silicon TFTs consi...

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IEEE International Nanoelectronics Conference (INEC)

作者： Hongyu He Yuan Liu Hao Wang Xinnan Lin Xueren Zheng Shengdong Zhang School of Electrical Engineering University of South China Hengyang China School of Electronic and Computer Engineering Shenzhen Graduate School Shenzhen China Science and Technology on Reliability Physics and Application of Electronic Component Laboratory China Electronic Produce Reliability and Environmental Testing Research Institute Guangzhou China School of Physics and Technology Wuhan University Wuhan China School of Electronic and Information Engineering South China University of Technology Guangzhou China

The 1/f noise characteristics are analyzed for the polycrystalline silicon (poly-Si) thin-film transistors (TFTs) in both subthreshold regime and above-threshold regime. Based on carrier number fluctuation model, our previous 1/f noise model for the amorphous InGaZnO TFTs is applied to the poly-Si TFTs considering mobility power-law parameter. The mobility power-law parameter determines the relationship between normalized drain current noise power spectral density (PSD) and drain current. The relationship is verified by the available experimental data.

关键词： Silicon Thin film transistors Logic gates Low-frequency noise Insulators

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Fingertips detection and hand gesture recognition based on discrete curve evolution with a kinect sensor

Fingertips detection and hand gesture recognition based on d...

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IEEE Visual Communications and Image Processing (VCIP)

作者： Zhongyuan Lai Zhijun Yao Chun Wang Hui Liang Hongmei Chen Wu Xia Institute for Interdisciplinary Research Jianghan University Wuhan P.R. China The 723 Institute of China Shipbuilding Industry Corporation Yangzhou P.R. China China Academy of Engineering Physics Institute of Computer Application Mianyang P.R. China Agency for Science Institute of High Performance Computing Singapore

ISBN: (纸本)9781509053179

In this paper, we propose a novel method that can detect fingertips as well as recognize hand gestures. Firstly, we collect the hand curves with a Kinect sensor. Secondly, we detect fingertips based on the discrete curve evolution. Thirdly, we recognize hand gestures using evolved curves partitioned at the detected fingertips. Experimental results show that our method performs well in both fingertips detection and hand gesture recognition.

关键词： Gesture recognition Shape Distortion Visualization Context Image segmentation Support vector machines

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A novel user-interest model based on mixed measure

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Journal of Physics: Conference Series 2017年第1期887卷

作者： Junkai Yi Yacong Zhang Mingyong Yin Xianghui Zhao College of Information Science and Technology Beijing University of Chemical Technology No. 15 Beisanhuan East Road Beijing China. Institute of Computer Application China Academy of Engineering Physics No. 64 Mianshan Road Mianyang China. China Information Technology Security Evaluation Center No. 8 Shangdi West Road Beijing China.

In this paper, we present a user-interest model based on mixed measure for finding users' interests, and in this model we can find the users' interests in webpages to improve the accuracy of users' interests and provide better personalized service for users. Information gain and mutual information are applied in this model for dimensional reduction, then find users' interests from the content of webpages by classifying-clustering. The results of experiments show that the model we propose has better performance, and the accuracy of the model is satisfactory.

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Search for a light charged Higgs boson in the H±→cs channel in proton-proton collisions at s=13 TeV

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Physical Review D 2020年第7期102卷 072001-072001页

作者： A. M. Sirunyan A. Tumasyan W. Adam F. Ambrogi 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 G. Correia Silva 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 M. Melo De Almeida 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 E. J. Tonelli Manganote 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 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 Ener

A search is conducted for a low-mass charged Higgs boson produced in a top quark decay and subsequently decaying into a charm and a strange quark. The data sample was recorded in proton-proton collisions at s=13 TeV by the CMS experiment at the LHC and corresponds to an integrated luminosity of 35.9 fb−1. The search is performed in the process of top quark pair production, where one top quark decays to a bottom quark and a charged Higgs boson and the other to a bottom quark and a W boson. With the W boson decaying to a charged lepton (electron or muon) and a neutrino, the final state comprises an isolated lepton, missing transverse momentum, and at least four jets, of which two are tagged as b jets. To enhance the search sensitivity, one of the jets originating from the charged Higgs boson is required to satisfy a charm tagging selection. No significant excess beyond standard model predictions is found in the dijet invariant mass distribution. An upper limit in the range 1.68%–0.25% is set on the branching fraction of the top quark decay to the charged Higgs boson and bottom quark for a charged Higgs boson mass between 80 and 160 GeV.

关键词： Higgs bosons Hypothetical gauge bosons Hadron colliders

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Search for bottom-type, vectorlike quark pair production in a fully hadronic final state in proton-proton collisions at s=13 TeV

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Physical Review D 2020年第11期102卷 112004-112004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. Wertz S. Wuyckens 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 Ener

A search is described for the production of a pair of bottom-type vectorlike quarks (VLQs), each decaying into a b or b¯ quark and either a Higgs or a Z boson, with a mass greater than 1000 GeV. The analysis is based on data from proton-proton collisions at a 13 TeV center-of-mass energy recorded at the CERN LHC, corresponding to a total integrated luminosity of 137 fb−1. As the predominant decay modes of the Higgs and Z bosons are to a pair of quarks, the analysis focuses on final states consisting of jets resulting from the six quarks produced in the events. Since the two jets produced in the decay of a highly Lorentz-boosted Higgs or Z boson can merge to form a single jet, nine independent analyses are performed, categorized by the number of observed jets and the reconstructed event mode. No signal in excess of the expected background is observed. Lower limits are set on the VLQ mass at 95% confidence level equal to 1570 GeV in the case where the VLQ decays exclusively to a b quark and a Higgs boson, 1390 GeV for when it decays exclusively to a b quark and a Z boson, and 1450 GeV for when it decays equally in these two modes. These limits represent significant improvements over the previously published VLQ limits.

关键词： Bottom quark Hypothetical particles Hadron colliders

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TQS-DP: A lightweight and active mechanism for fast scheduling based on WSN operating system TinyOS 27

TQS-DP: A lightweight and active mechanism for fast scheduli...

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27th Chinese Control and Decision Conference, CCDC 2015

作者： Jing, Zhang Leng, Xue Fan, Hongbo Yi, Cui Computer Technology Application Key Lab of Yunnan Province Kunming University of Science and Technology Kunming China Faculty of Information Engineering and Automation Kunming University of Science and Technology Kunming China Yunnan Academy of Scientific and Technical Information Kunming Yunnan China

ISBN: (纸本)9781479970179

Sensor technology is a key technology in the field of Internet of Things(IoT), which has been applied to the research on task scheduling of embedded systems in wireless sensor networks (WSN), it affects the existence and uniqueness of the real-time interactive behavior for IoT service, as well as the energy consumption modeling and evaluation of WSN deployment on the background of real-time embedded control systems. In this paper, through further studies on the kernel scheduling mechanism of TinyOS, aiming at its shortcomings, a lightweight scheduling strategy - quick sort scheduling strategy based on dynamic priority of tasks queue (TQS-DP) was proposed. This strategy changes the priority of tasks dynamically, and quickly put them into queues with quick sort. Meanwhile, the timeout management of tasks is taken into consideration. Whether the priority level of the task is high or low, it can be executed in due time. Finally, the simulation experiments show that our method cannot only improve the task throughput of the whole wireless sensor networks (WSNs), but also effectively reduce the energy consumption of system, in order to ensure the real-time performance, determinacy and casuality dependency of task scheduling. © 2015 IEEE.

关键词： dynamic priority energy consumption real-time scheduling mechanism TinyOS WSN

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SSD lifespan-oriented cache optimization in SSD/HDD hybrid storage system

SSD lifespan-oriented cache optimization in SSD/HDD hybrid s...

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International Conference on Environmental engineering and computer application, ICEECA 2014

作者： Wang, X. Zhang, Q.X. Tan, Y.A. Qu, J.Q. Beijing Engineering Research Center of Massive Language Information Processing and Cloud Computing Application School of Computer Science and Technology Beijing Institute of Technology Beijing China Shanghai Radio Equipment Research Institute Shanghai China

ISBN: (纸本)9781138028074

Layered SSD/HDD hybrid storage system has been widely used. However, most traditional designs are performance oriented, and not optimized for SSD lifespan. In this paper, SSD lifespan oriented layered model and cache algorithm are proposed. To decrease SSD wear rate, HDD-RAM switch tunnel is appended to the traditional layered hybrid structure. Cache window size is considered in cache algorithm to filter data, avoiding unnecessary cache cost. Results show optimized designs significantly reduced erase times on SSD, and slightly influenced original performance. © 2015 Taylor & Francis Group, London.

关键词： Random access storage

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