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2012 IEEE computer Society Conference on computer Vision and Pattern Recognition Workshops, CVPRW 2012

作者： Zhong, Yu Deng, Yunbin Jain, Anil K. Advanced Information and Technology BAE Systems 6 New England Executive Park Burlington MA 01803 United States Dept. Computer Science and Engineering Michigan State University 3115 Engineering Building E. Lasing MI 48824 United States

ISBN: (纸本)9781467316118

In this paper we investigate the problem of user authentication using keystroke biometrics. A new distance metric that is effective in dealing with the challenges intrinsic to keystroke dynamics data, i.e., scale variations, feature interactions and redundancies, and outliers is proposed. Our keystroke biometrics algorithms based on this new distance metric are evaluated on the CMU keystroke dynamics benchmark dataset and are shown to be superior to algorithms using traditional distance metrics. © 2012 IEEE.

关键词： Biometrics

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Predicting optimal solution cost with bidirectional stratified sampling

Predicting optimal solution cost with bidirectional stratifi...

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22nd International Conference on Automated Planning and Scheduling, ICAPS 2012

作者： Lelis, Levi Stern, Roni Felner, Ariel Zilles, Sandra Holte, Robert C. Computing Science Dept. University of Alberta Edmonton AB T6G 2E8 Canada Information Systems Engineering Ben Gurion University Beer-Sheva 85104 Israel Computer Science Dept. University of Regina Regina SK S4S 0A2 Canada

ISBN: (纸本)9781577355625

Optimal planning and heuristic search systems.solve state-space search problems by finding a least-cost path from start to goal. As a byproduct of having an optimal path they also determine the optimal solution cost. In this paper we focus on the problem of determining the optimal solution cost for a state-space search problem directly, i.e., without actually finding a solution path of that cost. We present an efficient algorithm, BiSS, based on ideas of bidirectional search and stratified sampling that produces accurate estimates of the optimal solution cost. Our method is guaranteed to return the optimal solution cost in the limit as the sample size goes to infinity. We show empirically that our method makes accurate predictions in several domains. In addition, we show that our method scales to state spaces much larger than can be solved optimally. In particular, we estimate the average solution cost for the 6x6, 7x7, and 8x8 Sliding-Tile Puzzle and provide indirect evidence that these estimates are accurate. Copyright © 2012, Association for the Advancement of Artificial Intelligence. All rights reserved.

关键词： Heuristic algorithms

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Poster abstracts

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Sleep and Biological Rhythms 2016年第1期5卷 A1-A189页

作者： J. Ferrie M. Shipley F. Cappuccio E. Brunner M. Miller M. Kumari M. Marmot A. Coenen J. L. Castillo F. Araya G. Bustamante L. Montecino C. Torres S. Oporto J. Gronli E. Fiske R. Murison B. Bjorvatn E. Sorensen R. Ursin C. M. Portas S. Rajaraman A. Gribok N. Wesensten T. Balkin J. Reifman N. Dursunoglu S. Ozkurt S. Baser O. Delen S. Sarikaya P. Sadler P. Mitchell D. Françon M. Decobert B. Herve A. Richard G. Griebel P. Avenet B. Scatton G. L. Fur D. Eckert A. Jordan A. Wellman S. Smith A. Malhotra D. White D. Bruck I. Thomas A. Kritikos W. Oertel K. Stiasny-Kolster D. Garcia-Borreguero W. Poewe B. Hoegl R. Kohnen E. Schollmayer J. Keffel C. Trenkwalder A. Valle S. Roizenblatt F. Fregni P. Boggio S. Tufik K. Ward L. Robertson L. Palmer P. Eastwood D. Hillman J. Lee S. Mukherjee V. de Padova G. Barbato G. Ficca I. Zilli P. Salzarulo M. Veldi T. Hion V. Vasar M. Kull L. Nowak J. Davis Y. Latzer O. Tzischinsky S. Crowley M. Carskadon M. Anca-Herschkovitsch D. Frey J. Ortega C. Wiseman C. Farley K. Wright A. Campbell A. Neill K. Spiegel R. Leproult E. Tasali N. Scherberg E. van Cauter A. T. Noradina N. A. Karim I. Norlinah A. A. Raymond R. Sahathevan B. Hamidon E. Werth R. Poryazova R. Khatami C. Bassetti R. G. Beran L. Ainley G. Holand J. Duncan H. Kinney B. Davis B. Hood S. Frey C. Schmidt M. Hofstetter P. Peigneux C. Cajochen W.-P. Hu J.-D. Li C. Zhang L. Boehmer J. Siegel Q.-Y. Zhou Y. Sagawa H. Kondo T. Takemura H. Kanayama Y. Kaneko M. Sato T. Kanbayashi Y. Hishikawa T. Shimizu A. Viola L. James L. Schlangen D.-J. Dijk R. Andretic Y.-C. Kim K.-A. Han F. Jones R. Greenspan L. Sanford L. Yang X. Tang K. Dieter E. Uta H. Sven M. Richard N. Oyane S. Pallesen F. Holsten Y. Inoue M. Fujita N. Emura K. Kuroda N. Uchimura A. Johnston J. Astbury G. Kennedy K. Hoedlmoser M. Schabus T. Pecherstorfer S. Moser G. Gruber P. Anderer W. Klimesch N. Naidoo M. Ferber A. Pack D. Neu O. Mairesse G. Hoffmann A. Dris L. Lambrecht P. Linkowski P. Verbanck O. Le Bon N. Matsuura M. Yamao N. Adachi R. Aritomi Y. Komada H. Tanaka S. Shirak University College London London UK University College London London USA Warwick Medical School London UK Warwick Medical School Coventry USA Radboud University Nijmegen Nijmegen Netherlands Department of Neurology University of Chile Santiago Chile Neurology Service Hospital del Salvador Santiago Chile Family Health Center Juan Pablo II Santiago Chile Department of Biomedicine Section on Physiology Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care University of Bergen Bergen Norway Norwegian Competence Center for Sleep Disorders Haukeland University Hospital Bergen Norway Department of Child and Adolescent Psychiatry Haukeland University Hospital Univeristy of Bergen Bergen Norway Department of Biomedicine University of Bergen Bergen Norway US Army Medical Research and Materiel Command Fort Detrick Frederick USA Walter Reed Army Institute of Research Silver Spring USA Department of Behavioral Biology Walter Reed Army Institute of Research Silver Spring USA Faculty Department of Pulmonology Pamukkale University Medical Denizli Turkey University of Ballarat Ballarat Australia Sanofi-Aventis Recherche et Developpement Paris France Brigham and Women’s Hospital Harvard Medical School Boston USA The University of Queensland Adelaide Australia School of Psychology University of Queensland Brisbane Australia The University of Queensland Brisbane Australia Victoria University Melbourne Australia Department of Psychology Victoria University Melbourne Australia School of Psychology Victoria University Melbourne Australia Philips-Universität Marburg Germany Philips-Universitaet-Marburg Marburg Germany Instituto de Investigaciones del Sueno Madrid Spain Universitätsklinik für Neurologie Innsbruck Austria Universitaetsklinik fuer Neurologie Innsbruck Austria IMEREM GmbH Nuernberg Germany Schwarz Pharma AG Monheim Germany

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A new energy prediction approach for intrusion detection in cluster-based wireless sensor networks

A new energy prediction approach for intrusion detection in ...

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1st ICST International Conference on Green Communications and Networking, GreeNets 2011

作者： Shen, Wen Han, Guangjie Shu, Lei Rodrigues, Joel J. P. C. Chilamkurti, Naveen Department of Information and Communication Systems Hohai University China Changzhou Key Laboratory of Sensor Networks and Environmental Sensing China Department of Multimedia Engineering Osaka University Japan Instituto de Telecomunicações University of Beira Interior Portugal Dept. of Computer Science and Computer Engineering La Trobe University Australia

ISBN: (纸本)9783642333675

Wireless Sensor Networks (WSNs) require an efficient intrusion detection scheme to identify malicious attackers. Traditional detection schemes are not well suited for WSNs due to their higher false detection rate. In this paper, we propose a novel intrusion detection scheme based on the energy prediction in cluster-based WSNs (EPIDS). The main contribution of EPIDS is to detect attackers by comparing the energy consumptions of sensor nodes. The sensor nodes with abnormal energy consumptions are identified as malicious attackers. Furthermore, EPIDS is designed to distinguish the types of denial of service (DoS) attack according to the energy consumption rate of the malicious nodes. The primary simulation experiments prove that EPIDS can detect and recognize malicious attacks effectively. © 2012 Springer-Verlag Berlin Heidelberg.

关键词： Intrusion detection

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Enabling data protection through PKI encryption in IoT m-Health devices

Enabling data protection through PKI encryption in IoT m-Hea...

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IEEE Symposium on Bioinformatics and Bioengineering (BIBE)

作者： Charalampos Doukas Ilias Maglogiannis Vassiliki Koufi Flora Malamateniou George Vassilacopoulos Dept. of Information and Communication Systems Engineering University of Aegean Dept. of Computer Science and Biomedical Informatics University of Central Greece Dept. of Digital Systems University of Piraeus Greece

Ambient Assisted Living (AAL) aims at providing unobtrusive support to frail and elderly people for their daily life based on their context and situation. To this end, systems.and services are required which are user-centric and adaptable towards the needs and capabilities of the people in need of care. The continuous integration of leading-edge technologies, such as cloud and wireless communication technologies, in the context of the Internet of the Things (IoT), can meet this requirement by enabling a new form of communication between frail and elderly people, their environment and relevant groups of care givers. However, for IoT-based systems.to reach their full potential, sound answers need to be provided to the important security questions arisen, particularly those regarding authentication of entities (people and environmental objects) and data privacy. This paper presents a system based on Gateways (GW) that aggregate health sensor data and resolve security issues through digital certificates and PKI data encryption.

关键词： Logic gates Wireless sensor networks Encryption Internet Wireless communication

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Development of memorizing system with action selection based on consciousness and behavior of animal on robot systems

Development of memorizing system with action selection based...

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2012 21st IEEE International Symposium on Robot and Human Interactive Communication, RO-MAN 2012

作者： Jitviriya, Wisanu Yoshida, Motoki Tanaka, Kyoko Hayashi, Eiji Graduated School of Electrical Engineering King Mongkut's University of Technology North Bangkok 10800 Thailand Graduated School of Computer Science and Systems Engineering Kyushu Institute of Technology 820-8502 Kyushu Japan Dept. of Mechanical Information Science and Technology Kyushu Institute of Technology 820-8502 Kyushu Japan

ISBN: (纸本)9781467346054

This paper focuses on the development of interaction between humans and robots, we decided to give the robotic arm has a consciousness and an emotional behavior in the same way as humans and animals. Thus, we have developed the hierarchical structure model which is the relationship between consciousness field and behavior module. The model is called Consciousness-Base Architecture (CBA) that was combined with the motivation module. Moreover, the ability to learn and remember the situations, it is necessary to make for more intelligent robot. Thereby, we attempt to build a memory module in the robot system. The memory for such system needs to efficiently organize and recognize previous experience in order to retrieve the relevant data and compared with the current situation. In this paper, we present the evaluation function for autonomous action selection, the memory module has been built and the behavior of the robotic arm has been verified in the experiment. © 2012 IEEE.

关键词： Motivation

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Supporting collaboration for smarter city planning

Supporting collaboration for smarter city planning

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6th International Conference on Ubiquitous Computing and Ambient Intelligence, UCAmI 2012

作者： Frez, Jonathan Baloian, Nelson Zurita, Gustavo School of Informatics and Telecommunication Engineering Universidad Diego Portales Manuel Rodriguez Sur 415 RM Santiago Chile Department of Computer Science Universidad de Chile Santiago Chile Information Systems and Management Dept. Universidad de Chile Santiago Chile

ISBN: (纸本)9783642353765

computer-based collaborative tools have been proven to be effective in supporting inhabitants of cities to participate more activeley in the decisions about the development of their cities and environment. These tools are also help them to organize themselfs and react more quickly to changes in the environment enabling at the same time the broad participation of its population in the decisions about its development. An example of this situation is triggered by a new law recently issued in Chile which aims to give its population an opportunity to participate in the decision about whether a new mobile communication antenna should be placed in their neighborhood and under which circumstances. This works proposes a new example of such a tool which allows citizens to gather and display the relevant information for such circumstances. © 2012 Springer-Verlag.

关键词： Smart city

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Selective opening chosen ciphertext security directly from the DDH assumption

Selective opening chosen ciphertext security directly from t...

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6th International Conference on Network and System Security, NSS 2012

作者： Liu, Shengli Zhang, Fangguo Chen, Kefei Dept. of Computer Science and Engineering Shanghai Jiao Tong University Shanghai 200240 China School of Information Science and Technology Sun Yat-sen University Guangzhou 510006 China State Key Laboratory of Information Security Institute of Software Chinese Academy of Sciences China Shanghai Key Laboratory of Scalable Computing and Systems Shanghai China

ISBN: (纸本)9783642346002

Chosen-ciphertext security has been well-accepted as a standard security notion for public key encryption. But in a multi-user surrounding, it may not be sufficient, since the adversary may corrupt some users to get the random coins as well as the plaintexts used to generate ciphertexts. The attack is named "selective opening attack". We study how to achieve full-fledged chosen-ciphertext security in selective opening setting directly from the DDH assumption. Our construction is free of chameleon hashing, since tags are created for encryptions in a flexible way to serve the security proof. © 2012 Springer-Verlag.

关键词： Public key cryptography

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A generic approach for providing revocation support in secret handshake

A generic approach for providing revocation support in secre...

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14th International Conference on information and Communications Security, ICICS 2012

作者： Yang, Yanjiang Lu, Haibing Weng, Jian Ding, Xuhua Zhou, Jianying Institute for Infocomm Research Singapore Singapore Dept. of Operations Management and Information Systems Leavey School of Business Santa Clara University United States Department of Computer Science Emergency Technology Research Center of Risk Evaluation and Prewarning on Public Network Security Jinan University China Shanghai Key Laboratory of Integrate Administration Technologies for Information Security Shanghai China School of Information Systems Singapore Management University Singapore Singapore

ISBN: (纸本)9783642341281

Privacy protection and user revocation are essentially conflicting requirements in many cryptographic protocols. It is a particularly challenging problem to harmonize them in a secret handshake protocol that is geared to offering strong privacy protection on the participants' group membership in the protocol execution. In this paper, we study this problem and propose a generic approach to provide revocation support in secret handshake protocols, without sacrificing the notion of privacy preserving. The main building block of our approach is CGC (Confidential Group Communication), a primitive formulated in this paper, and we present a concrete instantiation so as to realize our generic approach. © 2012 Springer-Verlag.

关键词： Data privacy

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Visualizing timelines: Evolutionary summarization via iterative reinforcement between text and image streams 12

Visualizing timelines: Evolutionary summarization via iterat...

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21st ACM International Conference on information and Knowledge Management, CIKM 2012

作者： Yan, Rui Wan, Xiaojun Lapata, Mirella Zhao, Wayne Xin Cheng, Pu-Jen Li, Xiaoming Dept. of Computer Science and Information Engineering National Taiwan University Taipei 10617 Taiwan Institute of Computer Science and Technology Peking University Beijing 100871 China Institute for Language Cognition and Computation University of Edinburgh Edinburgh EH8 9AB United Kingdom Dept. of Computer Science and Technology Peking University Beijing 10087 China State Key Lab. of Virtual Reality Tech. and Systems Beihang University Beijing 100083 China

ISBN: (纸本)9781450311564

We present a novel graph-based framework for timeline summarization, the task of creating different summaries for different timestamps but for the same topic. Our work extends timeline summarization to a multimodal setting and creates timelines that are both textual and visual. Our approach exploits the fact that news documents are often accompanied by pictures and the two share some common content. Our model optimizes local summary creation and global timeline generation jointly following an iterative approach based on mutual reinforcement and co-ranking. In our algorithm, individual summaries are generated by taking into account the mutual dependencies between sentences and images, and are iteratively refined by considering how they contribute to the global timeline and its coherence. Experiments on real-world datasets show that the timelines produced by our model outperform several competitive baselines both in terms of ROUGE and when assessed by human evaluators. © 2012 ACM.

关键词： Reinforcement

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