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检索条件"任意字段=5th IEEE International Conference on Distributed Computing in Sensor Systems"

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A secure group key management scheme for sensor networks

A secure group key management scheme for sensor networks

引用

5th international conference on Information Technology - New Generations

作者： Poornima, A. S. Amberker, B. B. Siddaganga Inst Technol Dept Comp Sci & Engn Tumkur Karnataka India Natl Inst Technol Dept Comp Sci & Engn Warangal Andhra Pradesh India

ISBN: (纸本)9780769530994

Security is an important issue in sensor networks. Many applications in military, distributed information gathering etc., demand for Secure Group Communication (SGC) in sensor networks. the SGC requires common network-wide group key for confidentiality of, control messages and data reports. the group key should be updated when a node is compromised. In this paper we propose a new key management scheme for group key computation and distribution which is based on tree structure. the proposed scheme minimizes storage as well as communication and computation cost of end user (i.e., sensor nodes). the complex encryption/decryption operations used to distribute new group key whenever a node is compromised are replaced by one way hash functions and simple XOR operations.

关键词： secure group communication sensor node hash function group key

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Boltzmann Machine Topology Learning for distributed sensor Networks Using Loopy Belief Propagation Inference

Boltzmann Machine Topology Learning for Distributed Sensor N...

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7th international conference on Machine Learning and Applications

作者： Picus, C. Cambrini, L. Herzner, W. Austrian Res Ctr GmbH A-1220 Vienna Austria

ISBN: (纸本)9780769534954

distributed sensor networks, as opposed to centralized networks, offer several advantages in terms of versatility and increased safety, which make their use particularly relevant for applications of security surveillance. A challenge of such systems is how to build autonomously a global description of the sensed environment without supervision of a central processing unit and with minimal configuration effort. We present an approach to ubiquitous computing, based on a semantic representation of the world view in terms of correlation of local information learned at the local level. there, a statistical description of the sensed activity is provided. Correlations of events among nodes are learned using a Boltzmann machine approach and used in order to establish neighborhood correspondences. Moreover, the communication between nodes is used to enrich the local description of the sensed environment by approximating the a-posterior distributions by marginal distributions computed with the loopy belief propagation algorithm. We present results of simulations emulating a security surveillance environment in which the sensors are cameras and activity is learned by processing video data.

关键词： Program processors

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On sensor network reconfiguration for downtime-free system migrations 5

On sensor network reconfiguration for downtime-free system m...

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5th international ICST conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness, QShine 2008

作者： Zhou, Yangfan Lyu, Michael R. Liu, Jiangchuan Dept. of Comp. Sci. and Eng. Chinese U. of Hong Kong Shatin Hong Kong School of Computing Sci. Simon Fraser University BurnabyBC Canada

ISBN: (纸本)9789639799264

Many state-of-the-art wireless sensor networks have been equipped with reprogramming modules, e.g., those for software/firmware updates. System migration tasks such as software reprogramming however will interrupt normal sensing and data reporting operations of a sensor node. Although such tasks are occasionally invoked, the long time of such tasks may disable the network from detecting critical events, posing a severe threat to many sensitive applications. In this paper, we present the first formal study on the problem of downtime-free migration. We demonstrate that the downtime can effectively be eliminated, by partitioning the sensors into subsets, and let them perform migration tasks successively with the rest still performing normal services. We then present a series of effective algorithms, and further extend our solution to a practical distributed and localized implementation, namely, the sensor Network Reconfiguration Protocol (SNRP). the performance of these algorithms have been evaluated through extensive simulations, and the results demonstrate that our algorithms achieve good balance between the sensing quality and system migration time. © Copyright 2008 ICST.

关键词： sensor nodes

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CREAM: A Generic Build-time Component Framework for distributed Embedded systems

CREAM: A Generic Build-time Component Framework for Distribu...

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14th ieee international conference on Embedded and Real-Time computing systems and Applications

作者： Raj, Chetan Park, Jiyong Park, Jungkeun Hong, Seongsoo Seoul Natl Univ Real Time Operating Syst Lab Seoul 151744 South Korea Konkuk Univ Dept Aerosp & Informat Engn Seoul South Korea

ISBN: (纸本)9780769533490

A component framework plays an important role in CBSD as it determines how software components are developed, packaged, assembled and deployed A desirable component framework for developing diverse cross-domain embedded applications should meet such requirements as (1) lightweight on memory use, (2) integrated task execution model, (3) fast inter-component communication, (4) support for distributed processing, and (5) transparency from underlying communication middleware. Although current embedded system component frameworks address some of the above requirements, they fail to meet all of them taken together. We thus propose a new embedded system component framework called CREAM (Component-based Remote-communicating Embedded Application Model). It achieves these goals by using build-time code generation, explicit control of task creation and execution in the component framework, static analysis of component composition to generate efficient component binding, and abstraction of the component's application logic from the communication middleware. We have implemented the CREAM component framework and conducted a series of experiments to compare its performance characteristics to a raw socket-based communication implementation and the Lightweight-CCM implementation by MicoCCM

关键词： CBSD Component Models CCM Koala AUTOSAR CORBA

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ICINCO 2008 - Proceedings of the 5th international conference on Informatics in Control, Automation and Robotics

ICINCO 2008 - Proceedings of the 5th International Conferenc...

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ICINCO 2008 - 5th international conference on Informatics in Control, Automation and Robotics

ISBN: (纸本)9789898111302

the proceedings contain 57 papers. the topics discussed include: dealing with uncertainty in the hybrid world;distributed technology for global dominance;behavioral development for humanoid robot - towards life-long human-robot;swarm intelligence and swarm robotics - the swarm-bot experiment;synchronization of arm and hand assistive robotics devices to impart activities of daily living tasks;loss minimization of induction generators with adaptive fuzzy controller;OBDD compression of numerical controllers;energy model based control for forming processes;LHTNDT: learn HTN method preconditions using decision tree;merging of advices from multiple advisory systems - with evaluation on rolling mill data;self-organization of gait pattern transition - an efficient approach to implementing animal gaits and gait transitions;and data mining and knowledge discovery for monitoring and intelligent control of a wastewater treatment plant.

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DAST: a QoS-aware Routing Protocol for Wireless sensor Networks

DAST: a QoS-aware Routing Protocol for Wireless Sensor Netwo...

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5th international conference on Embedded Software and systems

作者： Ji, Peng Wu, Chengdong Zhang, Yunzhou Jia, Zixi Northeastern Univ Inst Artificial Intelligence & Robot Shenyang Liaoning Peoples R China

ISBN: (纸本)9780769532882

In Wireless sensor Networks (WSNs), a challenging problem is how to advance network QoS. Energy-efficiency network communication traffic and failure-tolerance, these important factors of QoS are closely related with the applied performance of WSNs. Hence a QoS-aware routing protocol called Directed Alternative Spanning Tree (DAST) is proposed to balance the above three factors of QoS. A directed tree-based model is constructed to bring data transmission more motivated and efficient. Based on Markov, a communication state predicted mechanism is proposed to choose reasonable parent, and packet transmission to double-parent is submitted with alternative algorithm. For enhancing network failure-tolerance, routing reconstruction is studied on. With the simulations, the proposed protocol is, evaluated in comparison with the existing protocols from energy efficiency to the failure-tolerance. the Performance of DAST is verified to be efficient and available, and it is competent for satisfying QoS of WSNs.

关键词： Wireless sensor networks

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ICINCO 2008 - Proceedings of the 5th international conference on Informatics in Control, Automation and Robotics

ICINCO 2008 - Proceedings of the 5th International Conferenc...

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ICINCO 2008 - 5th international conference on Informatics in Control, Automation and Robotics

ISBN: (纸本)9789898111302

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distributed Intrusion Detection systems for enhancing security in mobile Wireless sensor Networks

Distributed Intrusion Detection Systems for enhancing securi...

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20th international conference on Advanced Information Networking and Applications

作者： Mostarda, Leonardo Navarra, Alfredo Univ Aquila Dipartimento Informat I-67100 Laquila Italy Univ Perugia Dipartimento Matemat & Informat I-06100 Perugia Italy

We present an approach to provide Intrusion Detection systems (IDS) facilities into Wireless sensors Networks (WSN). WSNs are usually composed of a large number of low power sensors. they require a careful consumption of the available energy in order to prolong the lifetime of the network. From the security point of view, the overhead added to standard protocols must be as light as possible according to the required security level. Starting from the DESERT tool [14, 16, 25] which has been proposed for component-based software architectures, we derive a new framework that permits to dynamically enforce a set of properties of the sensors behavior. this is accomplished by an IDS specification that is automatically translated into few lines of code installed in the sensors. this realizes a distributed system that locally detects violation of the sensors interactions policies and is able to minimize the information sent among sensors in order to discover attacks across the network.

关键词： sensor networks distributed computing intrusion detection system security

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Development of Mobile Robot Teleoperation System utilizing Robot sensor Network

Development of Mobile Robot Teleoperation System utilizing R...

引用

5th international conference on Networked Sensing systems

作者： Kimitsuka, Yuji Sawai, Kei Suzuki, Tsuyoshi Tokyo Denki Univ Dept Informat & Commun Engn Tokyo Japan

ISBN: (纸本)9784907764319

this paper discusses a mobile robot teleoperation system via a Wireless sensor Network (WSN) to support for rescue operation in underground mail at disaster Situation. For this purpose, the teleoperation interface server that controls communication between an operator and a robot via WSN was developed and a routing protocol based on AODV-uu was installed to WSN. the operator cans teleoperate of mobile robot directly and indirectly using this system.

关键词： wireless sensor network mobile robot teleoperation

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Automatic collection of fuel prices from a network of mobile cameras 1

引用

4th ieee international conference on distributed computing in sensor systems

作者： Dong, Y. F. Kanhere, S. Chou, C. T. Bulusu, N. Univ New S Wales Sch Comp Sci & Engn Sydney NSW Australia Portland State Univ Dept Comp Sci Portland OR 97207 USA

ISBN: (数字)9783540691709

ISBN: (纸本)9783540691693

It is an undeniable fact that people want information. Unfortunately, even in today's highly automated society, a lot of the information we desire is still manually collected. An example is fuel prices where websites providing fuel price information either send their workers out to manually collect the prices or depend on volunteers manually relaying the information. this paper proposes a novel application of wireless sensor networks to automatically collect fuel prices from camera images of road-side price board (billboard) of service (or gas) stations. Our system exploits the ubiquity of mobile phones that have cameras as well as users contributing and sharing data. In our proposed system, cameras of contributing users will be automatically triggered when they get close to a service station. these images will then be processed by computer vision algorithms to extract the fuel prices. In this paper, we will describe the system architecture and present results from our computer vision algorithms. Based on 52 images, our system achieves a hit rate of 92.3% for correctly detecting the fuel price board from the image background and reads the prices correctly in 87.7% of them. To the best of our knowledge, this is the first instance of a sensor network being used for collecting consumer pricing information.

关键词： automatic data collection computer-vision-based sensing consumer pricing information gathering participatory sensor networks vehicular sensor networks

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