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arXiv 2018年

作者： Forster, F. Moriya, T.J. Maureira, J.C. Anderson, J.P. Blinnikov, S. Bufano, F. Cabrera-Vives, G. Clocchiatti, A. De Jaeger, T. Estévez, P.A. Galbany, L. González-Gaitán, S. Gräfener, G. Hamuy, M. Hsiao, E. Huentelemu, P. Huijse, P. Kuncarayakti, H. Martýnez-Palomera, J. Medina, G. E., F.O. Pignata, G. Razza, A. Reyes, I. San Martýn, J. Smith, R.C. Vera, E. Vivas, A.K. De Ugarte Postigo, A. Yoon, S.-C. Ashall, C. Fraser, M. Gal-Yam, A. Kankare, E. Le Guillou, L. Mazzali, P.A. Walton, N.A. Young, D.R. Center for Mathematical Modeling University of Chile Millennium Institute of Astrophysics Chile Department of Astronomy University of Chile Division of Theoretical Astronomy National Astronomical Observatory of Japan National Institutes of Natural Sciences 2-21-1 Osawa Mitaka Tokyo181-8588 Japan European Southern Observatory Alonso de Córdova 3107 Casilla 19 Santiago Chile University of Tokyo Japan Moscow Russia Moscow Russia INAF Astrophysical Observatory of Catania Italy Department of Computer Science University of Concepción Chile Department of Physics and Astronomy Universidad Católica de Chile Santiago Chile Department of Astronomy University of California Berkeley United States Department of Electrical Engineering University of Chile Department of Physics and Astronomy University of Pittsburgh United States CENTRA Instituto Técnico Superior Universidade de Lisboa Portugal Argelander-Institut fur Astronomie Auf dem Hügel 71 BonnD-53121 Germany Department of Physics Florida State University United States Informatics Institute Universidad Austral de Chile University of Turku Vaïsäläntie 20 Piikkiö21500 Finland Tuorla Observatory Department of Physics and Astronomy University of Turku Vaïsäläntie 20 Piikkiö21500 Finland Departamento de Ciencias firsicas Universidad Andres Bello Avda. Repblica 252 Santiago Chile Cerro Tololo Interamerican Observatory La Serena Chile Glorieta de la Astronomyá s/n Granada18008 Spain Dark Cosmology Centre Niels Borh Institute University of Copenhagen Juliane Maries Vej 30 Copenhagen ∅2100 Denmark Department of Physics and Astronomy Seoul National University Gwanak-ro1 Gwanakgu Seoul08826 Korea Republic of Monash Centre for Astrophysics School of Physics and Astronomy Monash University VIC3800 Australia Astrophysics Research Institute Liverpool John Moores University IC2 Liverpool Science Park 146 Brownlow Hill LiverpoolL3 5RF United Kingdom School of Physics OBrien Centre for Science Nort

Type II supernovae (SNe) originate from the explosion of hydrogen-rich supergiant massive stars. Their first electromagnetic signature is the shock breakout, a short-lived phenomenon which can last from hours to days depending on the density at shock emergence. We present 26 rising optical light curves of SN II candidates discovered shortly after explosion by the High cadence Transient Survey (HiTS) and derive physical parameters based on hydrodynamical models using a Bayesian approach. We observe a steep rise of a few days in 24 out of 26 SN II candidates, indicating the systematic detection of shock breakouts in a dense circumstellar matter consistent with a mass loss rate_M >10-4Mo yr-1or a dense atmosphere. This implies that the characteristic hour timescale signature of stellar envelope SBOs may be rare in nature and could be delayed into longer-lived circumstellar material shock breakouts in most Type II SNe. Copyright © 2018, The Authors. All rights reserved.

关键词： Supernovae

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Mobile Phones & Behavioral Modalities: Surveying users' practices

Mobile Phones & Behavioral Modalities: Surveying users' prac...

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Telecommunications Forum

作者： Ioannis C. Stylios Sotirios Chatzis Olga Thanou Spyros Kokolakis the Department of Information & Communication Systems Engineering University of the Aegean the Department of Electrical Engineering Computer Engineering and Informatics Cyprus University of Technology the Department of Philosophy and History of Science University of Athens

ISBN: (纸本)9781509000562

Mobile phones are one of the most popular means of access to the internet. Users, via the telephone, connect to different services such as: Google, social networks, work accounts, banks accounts, etc. Those services, are many times, left open in their device. This enables risks, such as, loss or/and the violation of their personal data. In addition, in case of device theft after login, full access to sensitive data and applications may be fully granted. The purpose of this research is to analyze the most salient patterns characterizing user practices regarding certain behavioral modalities including: the way of using the various applications, power consumption, touch gestures and guest users' habits. To this end, we used an original questionnaire, created for the needs of the specific survey, to examine whether we can find some trends among the users. This can give us a qualitative information, for the different behaviors / "characters" of users, in order to be used in further research regarding User's Continuous Authentication.

关键词： Mobile Phones Behavioral Modalities Continuous Authentication Survey

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On the energy of certain recursive structures

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Journal of Combinatorial Mathematics and Combinatorial Computing 2015年 92卷 215-222页

作者： Stephen, Sudeep Rajan, Bharati Miller, Mirka Grigorious, Cyriac William, Albert Department of Mathematics Loyola College Chennai India School of Electrical Engineering and Computer Science University of Newcastle Australia School of Mathematical and Physical Sciences University of Newcastle Australia Department of Mathematics University of West Bohemia Pilsen Czech Republic Department of Informatics King's College London United Kingdom

Eigenvalues of a graph are the eigenvalues of its adjacency matrix. The multiset of eigenvalues is called the spectrum. The energy of a graph is the sum of the absolute values of its eigenvalues. In this paper, we devise an algorithm which generates the adjacency matrix of WK - recursive structures WK(3, L) and WK(4, L) and use it in the effective computation of spectrum and energy.

关键词： Eigenvalues and eigenfunctions

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Graph Theory Based Capacity Analysis for Vehicular Ad Hoc Networks

Graph Theory Based Capacity Analysis for Vehicular Ad Hoc Ne...

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IEEE Global Communications Conference

作者： Yan Huang Min Chen Zhipeng Cai Xin Guan Tomoaki OHTSUKI Yan Zhang School of Electrical Engineering Heilongjiang University School of Computer Science and Technology Huazhong University of Science and Technology Department of Computer Science Georgia State University School of Information Science and Technology Heilongjiang University Graduate School of Science and Technology Keio University Simula Research Laboratory and Department of Informatics University of Oslo

ISBN: (纸本)9781479959532

Vehicular ad hoc networks (VANETs) which are deployed along roads make traffic systems safer and efficient. Existing theoretical results on capacity scaling laws provide insights and guidance for the design and deployment of VANETs. In this paper, we propose a novel fundamental framework RVWNM (Real Vehicular Wireless Network Model), which enables a more realistic capacity analysis in VANETs. We first introduce a Euclidean planar graph which can be constructed from any real map of urban area, and represents the practical geometry structure of the urban area. Then, an interference relationship graph is abstracted from the Euclidean planar graph which considers the transmission interference relations among the nodes in the network. Finally, we analyze theoretically the interference relationships in the interference relationship graph. As far as we know, we are the first to use a practical geometry structure to calculate the asymptotic capacity of VANETs. To verify the feasibility of RVWNM, we calculate the asymptotic capacity of urban area VANETs with the consideration of social-proximity based mobility of vehicles.

关键词： Graph theory urban area traffic systems V2V planning drawings scaling laws Euclidean Road deployment vehicle

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Taking care of elderly people with chronic conditions using ambient assisted living technology: The ADVENT perspective

Taking care of elderly people with chronic conditions using ...

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2nd International Conference on Distributed, Ambient and Pervasive Interactions, DAPI 2014 - Held as Part of 16th International Conference on Human-computer Interaction, HCI International 2014

作者： Panagiotakopoulos, Theodor Antonopoulos, Christos Alefragkis, Panayiotis Kameas, Achilles Koubias, Stavros E-CoMeT Lab Hellenic Open University Patras Greece Electrical and Computer Engineering Dept University of Patras Patras Greece Computer and Informatics Engineering Dept TEI of Western Greece Antirio Greece

ISBN: (纸本)9783319077871

The population ageing trend has created an imperative need for ICTbased solutions that will support continuous care provision and help elders prolong the time they live independently in their own home environment. The ADVENT project aims at providing a comfortable, safe and secure environment to support the daily living of elders through a set of adaptive and demanddriven services. This paper presents the user and system requirements analysis results, based on which the high-level architecture of the core ADVENT system was drawn. This architecture highlights the home environment and the ambient intelligence platform, which are described in detail on a design level. © 2014 Springer International Publishing Switzerland.

关键词： Sensor networks

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Malware detection in the cloud under Ensemble Empirical Mode Decomposition

Malware detection in the cloud under Ensemble Empirical Mode...

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International Conference on Computing, Networking and Communications (ICNC)

作者： Angelos K. Marnerides Petros Spachos Periklis Chatzimisios Andreas U. Mauthe School of Computing & Mathematical Sciences Liverpool John Moores University Liverpool UK Department of Electrical & Computer Engineering University of Toronto Toronto ON Canada Department of Informatics Alexander TEl of Thessaloniki Thessaloniki Greece InfoLab21 Lancaster University Lancaster UK

Cloud networks underpin most of todays' socio-economical Information Communication Technology (ICT) environments due to their intrinsic capabilities such as elasticity and service transparency. Undoubtedly, this increased dependence of numerous always-on services with the cloud is also subject to a number of security threats. An emerging critical aspect is related with the adequate identification and detection of malware. In the majority of cases, malware is the first building block for larger security threats such as distributed denial of service attacks (e.g. DDoS); thus its immediate detection is of crucial importance. In this paper we introduce a malware detection technique based on Ensemble Empirical Mode Decomposition (E-EMD) which is performed on the hypervisor level and jointly considers system and network information from every Virtual Machine (VM). Under two pragmatic cloud-specific scenarios instrumented in our controlled experimental testbed we show that our proposed technique can reach detection accuracy rates over 90% for a range of malware samples. In parallel we demonstrate the superiority of the introduced approach after comparison with a covariance-based anomaly detection technique that has been broadly used in previous studies. Consequently, we argue that our presented scheme provides a promising foundation towards the efficient detection of malware in modern virtualized cloud environments.

关键词： Malware Virtual machine monitors Accuracy Measurement Information security Empirical mode decomposition

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Erratum to: Measurement of differential cross sections and W+/W− cross-section ratios for W boson production in association with jets at = 8 TeV with the ATLAS detector

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Journal of High Energy Physics 2020年第10期2020卷 1-20页

作者： Aaboud, M. Aad, G. Abbott, B. Abdinov, O. Abeloos, B. Abidi, S. H. AbouZeid, O. S. Abraham, N. L. Abramowicz, H. Abreu, H. Abreu, R. Abulaiti, Y. Acharya, B. S. Adachi, S. Adamczyk, L. Adelman, J. Adersberger, M. Adye, T. Affolder, A. A. Afik, Y. Agheorghiesei, C. Aguilar-Saavedra, J. A. Ahlen, S. P. Ahmadov, F. Aielli, G. Akatsuka, S. Akerstedt, H. Åkesson, T. P. A. Akilli, E. Akimov, A. V. Alberghi, G. L. Albert, J. Albicocco, P. Alconada Verzini, M. J. Alderweireldt, S. C. Aleksa, M. Aleksandrov, I. N. Alexa, C. Alexander, G. Alexopoulos, T. Alhroob, M. Ali, B. Aliev, M. Alimonti, G. Alison, J. Alkire, S. P. Allbrooke, B. M. M. Allen, B. W. Allport, P. P. Aloisio, A. Alonso, A. Alonso, F. Alpigiani, C. Alshehri, A. A. Alstaty, M. I. Alvarez Gonzalez, B. Álvarez Piqueras, D. Alviggi, M. G. Amadio, B. T. Amaral Coutinho, Y. Amelung, C. Amidei, D. Amor Dos Santos, S. P. Amoroso, S. Anastopoulos, C. Ancu, L. S. Andari, N. Andeen, T. Anders, C. F. Anders, J. K. Anderson, K. J. Andreazza, A. Andrei, V. Angelidakis, S. Angelozzi, I. Angerami, A. Anisenkov, A. V. Anjos, N. Annovi, A. Antel, C. Antonelli, M. Antonov, A. Antrim, D. J. Anulli, F. Aoki, M. Aperio Bella, L. Arabidze, G. Arai, Y. Araque, J. P. Araujo Ferraz, V. Arce, A. T. H. Ardell, R. E. Arduh, F. A. Arguin, J-F. Argyropoulos, S. Arik, M. Armbruster, A. J. Armitage, L. J. Arnaez, O. Arnold, H. Arratia, M. Arslan, O. Artamonov, A. Artoni, G. Artz, S. Asai, S. Asbah, N. Ashkenazi, A. Asquith, L. Assamagan, K. Astalos, R. Atkinson, M. Atlay, N. B. Augsten, K. Avolio, G. Axen, B. Ayoub, M. K. Azuelos, G. Baas, A. E. Baca, M. J. Bachacou, H. Bachas, K. Backes, M. Bagnaia, P. Bahmani, M. Bahrasemani, H. Baines, J. T. Bajic, M. Baker, O. K. Bakker, P. J. Baldin, E. M. Balek, P. Balli, F. Balunas, W. K. Banas, E. Bandyopadhyay, A. Banerjee, Sw. Bannoura, A. A. E. Barak, L. Barberio, E. L. Barberis, D. Barbero, M. Barillari, T. Barisits, M-S Barkeloo, J. T. Barklow, T. Barlow, N. Barnes, S. L. Barnett, B. M. Barnett, R. M. Barnovska-Blenessy, Z. Baroncelli, A. Bar Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman United States of America Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz United States of America Department of Physics and Astronomy University of Sussex Brighton United Kingdom 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 Center for High Energy Physics University of Oregon Eugene United States of America Department of Physics Stockholm University Stockholm Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London United Kingdom International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb United States of America Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Laboratório de Instrumentação e Física Experimental de Partículas — LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos Universidad de Granada Granada Portugal Department of Physics Boston University Boston United States of America Joint Institute for Nuclear Research JINR Dubna Dubna Russia IN

Two additions impacting tables 3 and 4 in ref. [1] are presented in the following. No significant impact is found for other results or figures in ref. [1].

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Biomedical image analysis on a cooperative cluster of GPUs and multicores 25

Biomedical image analysis on a cooperative cluster of GPUs a...

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25th ACM International Conference on Supercomputing, ICS 2014

作者： Hartley, Timothy D. R. Catalyurek, Umit Ruiz, Antonio Igual, Francisco Mayo, Rafael Ujaldon, Manuel Department of Biomedical Informatics and Electrical and Computer Engineering Ohio State University ColumbusOH United States Computer Architecture Department University of Malaga Malaga Spain Department of Computer Engineering and Computer Science University Jaume I Castellon Spain

ISBN: (纸本)9781450328401

We are currently witnessing the emergence of two paradigms in parallel computing: streaming processing and multi-core CPUs. Represented by solid commercial products widely available in commodity PCs, GPUs and multi-core CPUs bring together an unprecedented combination of high performance at low cost. The scientific computing community needs to keep pace with application models and middleware which scale efficiently to hundreds of internal processing units. The purpose of the work we present here is twofold: first, a cooperative environment is designed so that both parallel models can coexist and complement one another. Second, beyond the parallelism of multiple internal cores, further parallelism is introduced when multiple CPU sockets, multiple GPUs, and multiple nodes are combined within a unique multi-processor platform which exceeds 10 TFLOPS when using 16 nodes. We illustrate our cooperative parallelization approach by implementing a large-scale, biomedical image analysis application which contains a number of assorted kernels including typical streaming operators, cooccurrence matrices, convolutions, and histograms. Experimental results are compared among different implementation strategies and almost linear speed-up is achieved when all coexisting methods in CPUs and GPUs are combined. Copyright © 2014 by the Association for Computing Machinery, Inc. (ACM).

关键词： Program processors

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Dynamics analysis of an amended HBV infection model with a simulation for anti-HBV infection therapy 33

Dynamics analysis of an amended HBV infection model with a s...

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第三十三届中国控制会议

作者： CHEN Xiao SUN Kaiyun QIU Jianlong CHEN Xiangyong YANG Chengdong ZHANG Ancai School of Informatics Linyi University School of Mathematical Sciences Shandong Normal University School of Sciences Linyi University Department of Electrical and Computer Engineering University of Rhode Island School of Automobile Engineering Linyi University

ISBN: (纸本)9781479947249

This paper introduces an amended hepatitis B virus(HBV) infection model with an immune response term and an alanine aminotransferase(ALT) term. It has been proved that if a basic virus reproductive number R0 < 1, then the virus free equilibrium point of the model is globally asymptotically stable;if R0 > 1, then the immune depletion equilibrium point of the model is globally asymptotically stable. This result implies that if an HBV infected patient has R0 < 1, then the patient will eventually recover even if infected with a large amount of virus. Simulating the dynamics of evolutions of serum HBV DNA levels and ALT levels for 115 Asians and 113 non-Asians HBeAg positive chronic hepatitis B(CHB) patients' Tenofovir Disoproxil Fumarate(TDF) 48 weeks therapy reported by C. Pan et al., the results show that TDF anti-HBV infection therapy may not only suppress the HBV DNA levels via destructing patients' infected hepatocytes but also activate patients' ability of cytokine-midiated non-cytolytic HBV clearance, which clears HBV directly without damaging patients' hepatocytes.

关键词： HBV infection model,Basic virus reproductive number,Globally asymptotically stable,Anti-HBV infection therapy,Numerical simulation

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Measuring XML schema standard quality change through versioning

Measuring XML schema standard quality change through version...

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2014 37th International Convention on Information and Communication Technology, Electronics and Microelectronics, MIPRO 2014

作者： Pušnik, Maja Heričko, Marjan Šumak, Boštjan University of Maribor Faculty of Electrical Engineering and Computer Science Institute of Informatics Smetano va ulica 17 SI-2000 Maribor Slovenia

ISBN: (纸本)9789532330816

Quality measurements of XML schemas are difficult to perform objectively, providing all aspects of quality demands. However, an approximate evaluation of XML schema's quality and validation, whether a higher version of an XML schema standard is in fact an improvement, is useful information for XML schema users. The paper addresses who are the users of XML schemas, what aspects of XML schemas are vital to its quality and how to measure those aspects. We present 3 quality aspects in more detail: (1) structure type, (2) re-use possibilities and (3) balance of building blocks. A table of all included variables, that were measured, is provided. Based on results of over 200 XML schemas, quality assessment are given, including data standardization methods. Measurement results of XML schema's versions are compared, providing insight into quality growth (or decline) through versioning. © 2014 MIPRO.

关键词： Microelectronics

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