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Slime mould analogue models of space exploration and planet colonisation

JBIS - Journal of the British Interplanetary Society 2014年第7期67卷 290-304页

作者： Adamatzky, Andrew Armstrong, Rachel De Lacy Costello, Ben Deng, Yong Jones, Jeff Mayne, Richard Schubert, Theresa Sirakoulis, Georgios Ch. Zhang, Xiaoge Unconventional Computing Centre University of the West of England Bristol United Kingdom School of Architecture Planning and Landscape The Quadrangle Newcastle University Newcastle upon TyneNE1 7RU United Kingdom Institute of Biosensing Technology University of the West of England Bristol United Kingdom Department of Design of Media Environments Bauhaus University Weimar Germany School of Computer and Information Science Southwest University Chongqing China Department of Electrical and Computer Engineering Democritus University of Thrace Greece

Slime mould Physarum polycephalum is a single cell that is visible by the unaided eye. When spanning sources of nutrients the slime mould builds a network of protoplasmic tubes which is sometimes considered to be optimal in terms of the minimization of metabolite transportation time and distance away from repellents. Previously we have shown that the slime mould is efficient in imitating the formation of man-made road networks in major countries, where major urban areas are sources of nutrients. We used a similar approach to grow slime mould on a three-dimensional template of the Moon to speculate on potential colonisation scenarios. The slime mould imitated the propagation of colonisation in an exploratory mode, i.e. without any definite targets. Additional transportation hubs/targets were added after the initial network was formed, to imitate the development of colonies in parallel with slime mould growth. We provide analyses of proximity graphs representing colonisation networks and support the findings with Physarum-inspired algorithms to inform supply chain design. We speculate on how living Physarum, or its incorporation into a polymer hybrid material, can be used as a wearable smart wetware based on laboratory experiments interacting with chemical components.

关键词： Nutrients

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The SUrvey for pulsars and extragalactic radio bursts II: New FRB discoveries and their follow-up

arXiv

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arXiv 2017年

作者： Bhandari, S. Keane, E.F. Barr, E.D. Jameson, A. Petroff, E. Johnston, S. Bailes, M. Bhat, N.D.R. Burgay, M. Burke-Spolaor, S. Caleb, M. Eatough, R.P. Flynn, C. Green, J.A. Jankowski, F. Kramer, M. Venkatraman Krishnan, V. Morello, V. Possenti, A. Stappers, B. Tiburzi, C. van Straten, W. Andreoni, I. Butterley, T. Chandra, P. Cooke, J. Corongiu, A. Coward, D.M. Dhillon, V.S. Dodson, R. Hardy, L.K. Howell, E.J. Jaroenjittichai, P. Klotz, A. Littlefair, S.P. Marsh, T.R. Mickaliger, M. Muxlow, T. Perrodin, D. Pritchard, T. Sawangwit, U. Terai, T. Tominaga, N. Torne, P. Totani, T. Trois, A. Turpin, D. Niino, Y. Wilson, R.W. Albert, A. André, M. Anghinolfi, M. Anton, G. Ardid, M. Aubert, J.-J. Avgitas, T. Baret, B. Barrios-Martí, J. Basa, S. Belhorma, B. Bertin, V. Biagi, S. Bormuth, R. Bourret, S. Bouwhuis, M.C. Brânzaş, H. Bruijn, R. Brunner, J. Busto, J. Capone, A. Caramete, L. Carr, J. Celli, S. Cherkaoui El Moursli, R. Chiarusi, T. Circella, M. Coelho, J.A.B. Coleiro, A. Coniglione, R. Costantini, H. Coyle, P. Creusot, A. Díaz, A.F. Deschamps, A. de Bonis, G. Distefano, C. Di Palma, I. Domi, A. Donzaud, C. Dornic, D. Drouhin, D. Eberl, T. El Bojaddaini, I. Elsässer, D. Enzenhöfer, A. Felis, I. Fusco, L.A. Gay, P. Giordano, V. Glotin, H. Gregoire, T. Gracia-Ruiz, R. Graf, K. Hallmann, S. van Haren, H. Heijboer, A.J. Hello, Y. Hernández-Rey, J.J. Hößl, J. Hofestädt, J. Hugon, C. Illuminati, G. James, C.W. de Jong, M. Jongen, M. Kadler, M. Kalekin, O. Katz, U. Kießling, D. Kouchner, A. Kreter, M. Kreykenbohm, I. Kulikovskiy, V. Lachaud, C. Lahmann, R. Lefèvre, D. Leonora, E. Loucatos, S. Marcelin, M. Margiotta, A. Marinelli, A. Martínez-Mora, J.A. Mele, R. Melis, K. Michael, T. Migliozzi, P. Moussa, A. Navas, S. Nezri, E. Organokov, M. Păvălaş, G.E. Pellegrino, C. Perrina, C. Piattelli, P. Popa, V. Pradier, T. Quinn, L. Racca, C. Riccobene, G. Sánchez-Losa, A. Centre for Astrophysics and Supercomputing Swinburne University of Technology Mail H30 PO Box 218 VIC3122 Australia CSIRO Astronomy & Space Science Australia Telescope National Facility P.O. Box 76 EppingNSW1710 Australia SKA Organisation Jodrell Bank Observatory CheshireSK11 9DL United Kingdom ASTRON Netherlands Institute for Radio Astronomy Postbus 2 AA Dwingeloo7990 Netherlands National Radio Astronomy Observatory 1003 Lopezville Rd. SocorroNM87801 United States Department of Physics and Astronomy West Virginia University P.O. Box 6315 MorgantownWV26506 United States Center for Gravitational Waves and Cosmology West Virginia University Chestnut RidgeResearch Building MorgantownWV26505 Australian Astronomical Observatory 105 Delhi Rd North RydeNSW2113 Australia Max Planck Institut für Radioastronomie Auf dem Hügel 69 BonnD-53121 Germany International Centre for Radio Astronomy Research Curtin University BentleyWA6102 Australia I-09047 Italy Research School of Astronomy and Astrophysics Australian National University ACT2611 Australia National Centre for Radio Astrophysics Tata Institute of Fundamental Research Pune University Campus Ganeshkhind Pune411 007 India Department of Physics and Astronomy University of Sheffield SheffieldS3 7RH United Kingdom Jodrell Bank Centre for Astrophysics University of Manchester Alan Turing Building Oxford Road ManchesterM13 9PL United Kingdom Fakultät fur Physik Universität Bielefeld Postfach 100131 BielefeldD-33501 Germany Institute for Radio Astronomy and Space Research Auckland University of Technology 120 Mayoral Drive Auckland1010 New Zealand University of British Columbia 2329 West Mall VancouverBCV6T 1Z4 Canada Konan University 8-9-1 Okamoto Higashinada Ward KobeHyogo Prefecture658-0072 Japan University of Tokyo 7 Chome-3-1 Hongo Bunkyo Tokyo113-8654 Japan School of Physics University of Western Australia M013 CrawleyWA6009 Australia Université de Toulouse UPS-OMP

We report the discovery of four Fast Radio Bursts (FRBs) in the ongoing SUrvey for Pulsars and Extragalactic Radio Bursts (SUPERB) at the Parkes Radio Telescope: FRBs 150610, 151206, 151230 and 160102. Our real-time discoveries have enabled us to conduct extensive, rapid multi-messenger follow-up at 12 major facilities sensitive to radio, optical, X-ray, gamma-ray photons and neutrinos on time scales ranging from an hour to a few months post-burst. No counterparts to the FRBs were found and we provide upper limits on afterglow luminosities. None of the FRBs were seen to repeat. Formal fits to all FRBs show hints of scattering while their intrinsic widths are unresolved in time. FRB 151206 is at low Galactic latitude, FRB 151230 shows a sharp spectral cutoff, and FRB 160102 has the highest dispersion measure (DM = 2596.1±0.3 pc cm−3) detected to date. Three of the FRBs have high dispersion measures (DM >1500 pc cm−3), favouring a scenario where the DM is dominated by contributions from the Intergalactic Medium. The slope of the Parkes FRB source counts distribution with fluences > 2 Jy ms is α = −2.2+−01..62 and still consistent with a Euclidean distribution (α = −3/2). We also find that the all-sky rate is 1.7+−10..59 × 103FRBs/(4π sr)/day above ∼ 2 Jy ms and there is currently no strong evidence for a latitude-dependent FRB sky-rate. Copyright © 2017, The Authors. All rights reserved.

关键词： Surveys

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The challenges of social media technology to management engineering courses

The challenges of social media technology to management engi...

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2014 International Conference on computer, Intelligent Computing and Education technology, CICET 2014

作者： Xie, H. Shi, Y. Liang, T. Li, S. Department of Technology Illinois State University Normal IL United States Department of Computer and Information Science Xi'an Technological University Shaanxi China Department of Systems Engineering University of Arkansas Little Rock AR United States School of Management Xi'an University of Architecture and Technology Xi'an China

ISBN: (纸本)9781138026391

The use of social media involves employing web and mobile technologies to support interactive dialogue and mediate human communication. With the influence of social media in political, economic, and recreational fields, higher educational institutions start to recognize and utilize the idea of adopting the emerging technology in education processes. This paper highlights the difficulty that educators face in the age of social media. The paper discusses how to teach an increasingly networked generation that is ready to search for the opinions of their peers (who may be anonymous) on the internet besides what they learn from classroom teaching. Particularly, this paper discusses the challenges, opportunities, and possible practice of using social media in management engineering courses. The paper suggests using Cooperative Learning as the instructional method to let students work together in small groups to enable and organize students to participate the authentic and focused learning activities. © 2014 Taylor & Francis Group, London, UK.

关键词： Students

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Trustworthy communications in Vehicular Ad Hoc NETworks

Trustworthy communications in Vehicular Ad Hoc NETworks

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IEEE World Forum on Internet of Things (WF-IoT)

作者： Jetzabel Serna Roberto Morales Manel Medina Jesus Luna Cybersecurity Research Group Barcelona Digital Technology Centre Department of Computer Architecture Technical University of Catalonia Department of Computer Science Technical University of Darmstadt

Vehicular Ad-Hoc NETworks (VANETs), a pillar for the Internet of Vehicles, aim to improve road safety by preventing and reducing traffic accidents. While VANETs offer a great variety of safety and infotainment applications, there remain a number of security and privacy challenges, such as, user profiling and vehicle tracking, which, must be addressed. This paper contributes with a framework to address security and privacy issues in VANETs. The proposed framework consists of i) an inter-domain authentication system able to provide a near realtime certificate status service, ii) a mechanism to quantitatively evaluate the trust level of a CA and establish a on-the-fly interoperability relationship, and iii) a privacy enhancing model that addresses privacy in terms of linkability.

关键词： Vehicles Privacy Protocols Vehicular ad hoc networks Authentication Internet

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A vibrotactile interface to motivate movement for children with severe to profound disabilities 14

A vibrotactile interface to motivate movement for children w...

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15th International Conference on Human computer Interaction, INTERACCION 2014

作者： Manresa-Yee, Cristina Morrison, Ann Larsen, Jeppe V. Varona, Javier Department of Mathematics and Computer Science Universitat de les Illes Balears Crta. Valldemossa km 7.5 Palma07122 Spain Department of Architecture Design and Media Technology Aalborg University Sofiendalsvej 11 Aalborg SV9200 Denmark

ISBN: (纸本)9781450328807

V-Sense is a vibrotactile interface that encourages children with severe or profound cognitive, sensory and physical impairments to move. The interface makes use of touch, in particular vibrations, as a supportive function to motivate users' actions. Specifically, we propose a vibrotactile interface on the arm and around the shoulder using the saltation perceptual illusion to induce movement of the corresponding joint. In this paper we describe the design principles of the interface and the proposed experimental design to evaluate it. Copyright 2014 ACM.

关键词： User interfaces

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A Cost Sensitive Approach for Virtual Network Reconfiguration

A Cost Sensitive Approach for Virtual Network Reconfiguratio...

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2014 IEEE computers,Communications and IT Applications Conference(ComComAp)

作者： Li Xu Guozhen Tan Xia Zhang Department of Computer Science and Technology Dalian University of Technology State Key Laboratory of Software Architecture(Neusoft Corporation)

ISBN: (纸本)9781479948109

Network Virtualization paves the way for sharing the physical infrastructure with many service providers and enables resources in physical substrate network being applied and provisioned as a form of Virtual Network(VN).However,there exist many obstacles in applications of this *** problem of VN embedding is commonly considered the most difficult one of *** existing research only considers the case of how to embed VN *** user demands on Virtual Network are dynamically changing,how to efficiently reconfigure VN to adapt to changing demand is challenging *** this paper,our objective is to find way for optimally reorganize VN that already embedded on VN in a cost sensitive way to meet the changed *** address this problem by proposing a cost sensitive VN reconfiguration approach.A heuristic VN reconfiguration algorithm with virtual node and virtual link migration and swapping strategy is *** validate and evaluate the given algorithms by conducting experiments in high fidelity emulation *** evaluation results show that the proposed approach can effectively reconfigure VN while minimizing cost and fragmentation of *** comparing our algorithms with others,the given reconfiguration algorithm outperforms existing solutions.

关键词： Network Virtualization Virtual Network Virtual network reconfiguration

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Artificial intelligence and symbolic computation: 12th international conference, AISC 2014 seville, Spain, December 11-13, 2014 proceedings 12

Artificial intelligence and symbolic computation: 12th inter...

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12th International Conference on Artificial Intelligence and Symbolic Computation, AISC 2014

作者： Aranda-corral, Gonzalo A. Calmet, Jacques Martín-Mateos, Francisco J. University of Huelva Department of Information Technologies Crta. Huelva - Palos de la Frontera s/n Palos de la Frontera Spain Karlsruhe Institute of Technology Institute for Theoretical Informatics Am Fasanengarten 5 Karlsruhe Germany University of Seville Department of Computer Science and Artificial Intelligence Av. Reina Mercedes s/n Seville Spain

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Understanding regular waves effect on ship by numerical wave tank simulation

Understanding regular waves effect on ship by numerical wave...

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2013 2nd International Conference on Applied Mechanics and Materials, ICAMM 2013

作者： Fan, Shaotao Zhao, Cheng Bi Tang, You Hong Department of Naval Architecture and Ocean Engineering School of Civil Engineering and Transportation South China University of Technology Guangzhou 510641 China Centre for Maritime Engineering Control and Imaging School of Computer Science Engineering and Mathematics Flinders University Adelaide 5042 Australia

ISBN: (纸本)9783037859841

This study establishes three-dimensional numerical wave tank based on the theory of viscous flow to simulate the unsteady motion response of a Wigley advancing in regular heading waves. The governing equations, Reynolds Averaged Navier-Stokes and continuity equations are discretized by finite volume method, a Reynolds-averaged Navier-Stokes solver is employed to predict the motions of ship, and volume of fluid method is adopted to capture the nonlinear free surface by writing user-defined functions. The outgoing waves are dissipated inside an artificial damping zone located at the rear part (about 1-2 wave lengths) of the wave tank. The numerical simulation results are compared with theoretical and experimental data from Delft university of technology, and show good agreement with them. This research can be used to further analyze and predict hydrodynamic performance of ship and marine floating structures in waves and help to extend the applications of numerical wave tank. © (2014) Trans Tech Publications, Switzerland.

关键词： Ships

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Panel position statements 3

Panel position statements

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3rd International Symposium on Foundations of Health Information Engineering and Systems, FHIES 2013

作者： Dube, Kudakwashe Moodley, Deshendran Thies, Bill Liu, Jane W.S Cafazzo, Joseph Sokolsky, Oleg School of Engineering and Advanced Technology Massey University New Zealand UKZN/CSIR Meraka Centre for Artificial Intelligence Research and Health Architecture Laboratory School of Mathematics Statistics and Computer Science University of KwaZulu-Natal Durban South Africa Microsoft Research India India Institute of Information Science Academia Sinica Taipei Taiwan Centre for Global eHealth Innovation Canada Department of Computer and Information Science University of Pennsylvania United States

ISBN: (纸本)9783642539558

The western world enjoys a far greater degree of sophistication in computer technology than the developing world; challenges include the fact that infrastructure and resources in the developing world lag far behind; education to use and maintain the technology is often lacking; and cultural and societal issues prohibit its use. Questions include: What is the role of the first world in promoting more widespread use of technology for health informatics? What are the advantages to the first world in promoting more widespread use? What is the role of scientists in the first world in developing technology suitable for less technologically savvy regions? Should we interfere in cultures that do not use technology as we do? What can we practically expect to positively influence by engaging with developing world? How do we engage with the developing world in a sustainable way? Finally, modern vaccines have made huge differences in health the world over; can we expect similar positive transformation from increased computer/information technology in the developing world?

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What's in the Container? Classifying Object Contents from Vision and Touch

What's in the Container? Classifying Object Contents from Vi...

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IEEE/RSJ International Conference on Intelligent Robots and Systems

作者： Puren Guler Yasemin Bekiroglu Xavi Gratal Karl Pauwels Danica Kragic Computer Vision and Active Perception Lab Center for Autonomous Systems School of Computer Science and Communication KTH Royal Institute of Technology Stockholm Sweden Computer Architecture and Technology Department University of Granada Spain

ISBN: (纸本)9781479969357

Robots operating in household environments need to interact with food containers of different types. Whether a container is filled with milk, juice, yogurt or coffee may affect the way robots grasp and manipulate the container. In this paper, we concentrate on the problem of identifying what kind of content is in a container based on tactile and/or visual feedback in combination with grasping. In particular, we investigate the benefits of using unimodal (visual or tactile) or bimodal (visual-tactile) sensory data for this purpose. We direct our study toward cardboard containers with liquid or solid content or being empty. The motivation for using grasping rather than shaking is that we want to investigate the content prior to applying manipulation actions to a container. Our results show that we achieve comparable classification rates with unimodal data and that the visual and tactile data are complimentary.

关键词： CONTAINERS Grasp Robot Food Containers dry matter content NONVOLATILE CONTENT Visualization Unimodal

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