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2011 3rd IEEE International Conference on Cloud Computing Technology and science, CloudCom 2011

作者： Doukas, Charalampos Maglogiannis, Ilias Dept. of Information and Communication Systems Engineering University of Aegean Samos Greece Dept. of Computer Science and Biomedical Informatics University of Central Greece Lamia Greece

ISBN: (纸本)9780769546223

Mobile pervasive healthcare technologies can support a wide range of applications and services including patient monitoring and emergency response. At the same time they introduce several challenges, like data storage and management, interoperability and availability of heterogeneous resources, unified and ubiquitous access issues. One potential solution for addressing all aforementioned issues is the introduction of the Cloud Computing concept. Within this context, in this work we have developed and present a wearable - textile platform based on open hardware and software that collects motion and heartbeat data and stores them wirelessly on an open Cloud infrastructure for monitoring and further processing. The proposed system may be used to promote the independent living of patient and elderly requiring constant surveillance. © 2011 IEEE.

关键词： information management

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2012年 7248 LNCS卷 VI-XI页

作者： Di Chio, Cecilia Agapitos, Alexandros Cagnoni, Stefano Cotta, Carlos De Vega, F. Fernández Di Caro, Gianni Drechsler, Rolf Ekárt, Anikó Esparcia-Alcázar, Anna I. Farooq, Muddassar Langdon, William B. Merelo-Guervós, Juan-J. Preuss, Mike Richter, Hendrik Silva, Sara Simões, Anabela Squillero, Giovanni Tarantino, Ernesto Tettamanzi, Andrea G.B. Togelius, Julian Urqhart, Neil Uyar, A. Şima Yannakakis, Georgios N. University College Dublin Ireland Dept. of Computer Engineering University of Parma Italy Dept. Lenguajes Y Ciencias de la Computación University of Málaga Spain University of Extremadura Spain Lugano Switzerland Cyber-Physical Systems DFKI Bremen Germany Computer Science Aston University Birmingham United Kingdom S2 Grupo Spain National University of Computer and Emerging Sciences Islamabad Pakistan University College London United Kingdom Departamento de Arquitectura Y Tecnología de Computadores Universidad de Granada Spain TU Dortmund University Germany Faculty of Electrical Engineering and Information Technology HTWK Leipzig University of Applied Sciences Germany INESC-ID Lisboa Portugal Coimbra Institute of Engineering Coimbra Polytechnic Coimbra Portugal Politecnico di Torino Italy Institute for High Performance Computing and Networking Italy Università degli Studi di Milano Italy Center for Computer Games Research IT University of Copenhagen Denmark Centre for Emergent Computing Edinburgh Napier University United Kingdom Dept. of Computer Engineering Istanbul Technical University Turkey

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2011 UKSim 13th International Conference on Modelling and Simulation, UKSim 2011

作者： Belkhirat, Ahmed Belkhir, Abdelkader Bouras, Abdelghani Department of Information Systems College of Computer and Information Sciences King Saud University Riyadh Saudi Arabia Dept. of Computer Science USTHB University Algiers Algeria Industrial Engineering Dept. College of Engineering King Saud University Riyadh Saudi Arabia

ISBN: (纸本)9780769543765

The measure of similarity is necessary for the study of several problems such as: the multimedia adaptation, detection of intrusion based behavior, adaptation of web services. In this article, we propose the definition of a new measure of similarity that deals with the shared objects properties, their values and the weight of each property is proposed. © 2011 IEEE.

关键词： Web services

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A study of computational and human strategies in revelation games

A study of computational and human strategies in revelation ...

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10th International Conference on Autonomous Agents and Multiagent systems.2011, AAMAS 2011

作者： Peled, Noam Gal, Ya'akov Kobi Kraus, Sarit Gonda Brain Research Center Barllan University Israel Dept. of Information Systems Engineering Ben-Gurion University Israel Dept. of Computer Science Barllan University Israel

ISBN: (纸本)9781618391018

Revelation games are bilateral bargaining games in which agents may choose to truthfully reveal their private information before engaging in multiple rounds of negotiation. They are analogous to real-world situations in which people need to decide whether to disclose information such as medical records or university transcripts when negotiating over health plans and business transactions. This paper presents an agent-design that is able to negotiate proficiently with people in a revelation game with different dependencies that hold between players. The agent modeled the social factors that affect the players' revelation decisions on people's negotiation behavior. It was empirically shown to outperform people in empirical evaluations as well as agents playing equilibrium strategies. It was also more likely to reach agreement than people or equilibrium agents. Categories and Subject Descriptors 1.2.11 [Distributed Artificial Intelligence] General Terms Experimentation. Copyright © 2011, International Foundation for Autonomous Agents and Multiagent systems.

关键词： Human robot interaction

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Relation Guided Bootstrapping of semantic lexicons

Relation Guided Bootstrapping of semantic lexicons

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49th Annual Meeting of the Association for Computational Linguistics: Human Language technologies, ACL-HLT 2011

作者： McIntosh, Tara Yencken, Lars Curran, James R. Baldwin, Timothy Dept. of Computer Science and Software Engineering Victoria Research Lab. University of Melbourne Australia School of Information Technologies University of Sydney Australia

ISBN: (纸本)9781932432886

State-of-the-art bootstrapping systems.rely on expert-crafted semantic constraints such as negative categories to reduce semantic drift. Unfortunately, their use introduces a substantial amount of supervised knowledge. We present the Relation Guided Bootstrapping (RGB) algorithm, which simultaneously extracts lexicons and open relationships to guide lexicon growth and reduce semantic drift. This removes the necessity for manually crafting category and relationship constraints, and manually generating negative categories. © 2011 Association for Computational Linguistics.

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Process-in-network for image providing services

Process-in-network for image providing services

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6th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing, 3PGCIC-2011

作者： Urzaiz, G. Villa, D. Villanueva, F.J. Barba, J. Santofimia, M.J. Moya, F. Lopez, J.C. Division of Engineering and Exact Sciences Anahuac Mayab University Mexico Dept. of Technology and Information Systems School of Computer Science University of Castilla-La Mancha Spain

ISBN: (纸本)9780769545318

Most image processing techniques are based on the idea that the information is processed in end nodes. Our proposal is based on a slightly different idea called Process-in-Network (PIN) defined as the possibility that the network processes information as it is being transmitted, seeking to take advantage of waiting times, idle processing capacity, and the information itself. In this article, the possible use of PIN in image processing and analysis applications is discussed. A simple image processing example is first presented to illustrate PIN concept, and then other possible application cases are also discussed, exploring the possibility of PIN to adapt a picture or video to different QoS requirements, and a character recognition application for the use of a transit department. A feedback mechanism could be implemented in order to dynamically adapt QoS or QoE for an specific user at the destination node. The approach here presented may be generalized not only for image processing applications but also for video processing, in which case it could be complemented with the use of other technologies and standards such as SVC and MapReduce. © 2011 IEEE.

关键词： Quality of service

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Autonomous action selection with motivation-based consciousness and behavior architecture of animal

Autonomous action selection with motivation-based consciousn...

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5th International Conference on Automation, Robotics and Applications, ICARA 2011

作者： Hayashi, Eiji Ueyama, Kei Yoshida, Motoki Dept. of Mechanical Information Science and Technology Kyushu Institute of Technology Fukuoka-city Japan Graduated School of Computer Science and Systems Engineering Kyushu Institute of Technology Fukuoka-city Japan

ISBN: (纸本)9781457703287

This paper presents an autonomous action selection system that incorporated a motivation model, and a motion control system to achieve natural behaviors showing human emotion such love, pity etc. We have attempted to give a robot consciousness and emotion such as that identified in humans and animals in order to enhance the affinity between humans and robots. A hierarchical structure model for such a robot has been developed to connect the robot's consciousness with the robot's behavior. However, it is difficult to autonomously control the timing and the motion that selects the consciousness and behavior of the robot, whatever the time and position. A motivation model has therefore been developed, and it was combined with the hierarchical structure model to induce and autonomously select consciousness and behavior. The action of dopamine in neurotransmitters was then incorporated into the motivation model to add activity to the robot in conjunction with the incentive to perform a behavior. As a result, this system allows a robot to behave naturally in any situation. © 2011 IEEE.

关键词： Motivation

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Low-cost mitigation of privacy loss due to radiometric identification

Low-cost mitigation of privacy loss due to radiometric ident...

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17th Annual International Conference on Mobile Computing and Networking, MobiCom'11 and Co-Located Workshops - 8th ACM International Workshop on Vehicular Inter-Networking, VANET'11

作者： Haas, Jason J. Hu, Yih-Chun Laurenti, Nicola Computer Systems and Technologies Business Area Sandia National Laboratories Albuquerque NM United States Dept. of Electrical and Computer Engineering University of Illinois at Urbana-Champaign 1406 West Green Street Urbana IL United States Dept. of Information Engineering University of Padova Padova Italy

ISBN: (纸本)9781450308694

Recently, there has been much interest in using radiometric identification (also known as wireless fingerprinting) for the purposes of authentication. Previous work has shown that using radiometric identification can discriminate among devices with a high degree of accuracy when simultaneously using multiple radiometric characteristics. Additionally, researchers have noted the potential for wireless fingerprinting to be used for more devious purposes, specifically that of privacy invasion or compromise. In fact, any such radiometric characteristic that is useful for authentication is useful for privacy compromise. To date, there has not been any proposal of how to mitigate such privacy loss for many of these radiometric characteristics, and specifically no such proposal for how to mitigate such privacy loss in a low-cost manner. In this paper, we investigate some limits of an attacker's ability to compromise privacy, specifically an attacker that uses a transmitter's carrier frequency. We propose low-cost mechanisms for mitigating privacy loss for various radiometric characteristics. In our development and evaluation, we specifically consider a vehicular network (VANET) environment. We consider this environment in particular because VANETs will have the potential to leak significant, longterm information that could be used to compromise drivers' personal information such as home address, work address, and the locations of any businesses the driver frequents. While tracking a vehicle using visually observable information (e.g., license plates) to obtain personal information is possible, such means require line-of-sight, whereas radiometric identification would not. Finally, we evaluate one of our proposed mechanisms via simulation. Specifically, we evaluate our carrier frequency switching mechanism, comparing it to the theory we develop, and we show the precision with which vehicles will need to switch their physical layer identities given our parameterization for VA

关键词： Authentication

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A novel PSO based carrier frequency offset estimation technique for Wi-MAX uplink transmissions

A novel PSO based carrier frequency offset estimation techni...

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2011 11th International Conference on Hybrid Intelligent systems. HIS 2011

作者： Al-Humaidan, Fahad M. Rahoof, P.P. Sameer, S.M. Dept. of Information Systems College of Computer Science and Information Technology King Faisal University Al Ahsa-31982 Saudi Arabia Dept. of Communication and Networks College of Computer Science and Information Technology King Faisal University Al Ahsa-31982 Saudi Arabia Department of Electronics and Communication Engineering National Institute of Technology Calicut Kerala 673601 India

ISBN: (纸本)9781457721502

Carrier frequency offset (CFO) estimation is a challenging task in Wi-MAX uplink as it uses orthogonal frequency division multiple access (OFDMA) which demands extremely accurate frequency synchronization. Here each user may experience a different CFO relative to the base station reference carrier and the estimation of them turn out to be a multiple parameter estimation problem. In this paper, we propose a null subcarrier based particle swam optimization (PSO) technique that performs the estimation by minimizing a cost function. As compared to the null subcarrier based grid search algorithm available in the literature, the computational complexity of the proposed technique is very low. The mean square error of the CFO estimator and bit error rate performance of the Wi-MAX base station receiver that employs the proposed estimation method are studied through computer simulations. It has been shown that the proposed technique achieves a better performance than the grid search algorithm at low to medium signal to noise ratio (SNR) where the algorithm reliability really matters. © 2011 IEEE.

关键词： Mean square error

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Extracting BI-RADS features from Portuguese clinical texts

Extracting BI-RADS features from Portuguese clinical texts

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IEEE International Conference on Bioinformatics and Biomedicine (BIBM)

作者： Houssam Nassif Filipe Cunha Inês C. Moreira Ricardo Cruz-Correia Eliana Sousa David Page Elizabeth Burnside Inês Dutra University of Wisconsin Madison USA AroundKnowledge Porto Portugal Centro Hospitalar S. João and Faculty of Medicine of the University of Porto INESC Porto Faculty of Engineering of University of Porto Porto Portugal CINTESIS - Center for Research in Health Technologies and Information Systems Faculty of Medicine of University of Porto Porto Portugal CIDES - Health Information and Decision Sciences Faculty of Medicine of Universidade do Porto Porto Portugal Dept. of Biostatistics and Medical Informatics UW-Madison USA Department of Radiology University of Wisconsin School of Medicine and Public Health Madison WI USA CRACS & INESC-TEC Department of Computer Science Faculty of Sciences University of Porto Porto Portugal

In this work we build the first BI-RADS parser for Portuguese free texts, modeled after existing approaches to extract BI-RADS features from English medical records. Our concept finder uses a semantic grammar based on the BI-RADS lexicon and on iterative transferred expert knowledge. We compare the performance of our algorithm to manual annotation by a specialist in mammography. Our results show that our parser's performance is comparable to the manual method.

关键词： Feature extraction Medical diagnostic imaging Manuals Educational institutions Data mining Cancer

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