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2011 International Conference on information Technology, computer Engineering and Management Sciences, ICM 2011

作者： Ding, Feng Zhang, Shuai Wang, Heng Huang, Songhua Tao, Jun Key Laboratory of Science and Technology on Information Systems Engineering Nanjing Research Institute of Electronics Engineering Nanjing China Key Laboratory of Computer Network and Information Integration of Ministry of Education Southeast University Nanjing China

ISBN: (纸本)9780769545226

With the fast development of network technology and expansion of the network scale, the heterogeneity of Internet makes the Quality of Service (QoS) guarantee techniques even more challenging. In this paper the state-of-the-art of QoS guarantee techniques is first reviewed, and a new Cooperative Agent-based QoS Framework (CAQF) for heterogeneous networks is proposed, which integrates the technologies of QoS-adaptive cooperation, situation awareness, admission control, routing, packet scheduling and resource management. It can be used for intra-domain, inter-domain's QoS guarantee in the heterogeneous networks. Procedure simulation results show that CAQF can achieve expected functionality, while demonstrating the feasibility and universality of the framework for distributed end-to-end QoS cooperation. © 2011 IEEE.

关键词： Quality of service

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Message redundancy removal of multi-copy routing in delay tolerant MANET

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The Journal of China Universities of Posts and Telecommunications 2011年第1期18卷 42-48页

作者： YU Hai-zheng MA Jian-feng BIAN Hong Key Laboratory of Computer Network and Information Security Xidian University Xi'an 710071 China College of Mathematics and System Sciences Xinjiang University Urumqi 830046 China School of Mathematical Sciences Xinjiang Normal University Urumqi 830054 China

This article puts forward a new scheme to control message redundancy efficiently in delay tolerant mobile Ad-hoc networks （MANET）. The class of networks generally lacks end-to-end connectivity. In order to improve the efficiency that messages are delivered successfully, multiple message copies routing protocols are usually used, but the network load is increased due to a large number of message redundancies. In the study, by using counter method, every node adds an encounter counter based on epidemic routing scheme. The counter records the number which the node encounters other nodes with the same message copy. If the counter of a node reaches tbe installed threshold, the node removes the copy. Theoretical analysis gives a lower bound of threshold in delay tolerant MANET. According to the lower bound of threshold, a rational threshold is installed in real environment. With proposed scheme message copies decrease obviously and are removed completely finally. The successful delivery efficiency is still the same as epidemic routing and the redundant copies are efficiently controlled to a relatively low level computer simulations give the variation of message copies concerning different thresholds in fast and slow mobility scenes.

关键词： delay tolerant networks mobile Ad-hoc networks message routing redundancy removal

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An evolutionary algorithm for no-wait flowshop problems with flowtime minimization

An evolutionary algorithm for no-wait flowshop problems with...

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International Conference on computer Supported Cooperative Work in Design

作者： Zhu, Xia Li, Xiaoping Wang, Qian School of Computer Science and Engineering Southeast University Nanjing China Key Laboratory of Computer Network and Information Integration Ministry of Education Southeast University Nanjing China

ISBN: (纸本)9781457703874

In this paper, no-wait flow shop scheduling problem with flowtime minimization is considered. Objective increment properties are analyzed and proved for fundamental operations of heuristics. With these properties, whether a new generated schedule is better or worse than the original one is only evaluated by objective increments, instead of completely calculating objective values as the traditional algorithms do, so that the computational time can be considerably reduced. An evolutionary algorithm (EA) is proposed for the considered problem. The initial population with two members is generated by different heuristics. After crossover, the disturb cycles which consist of a mutation operator and strengthen approaches are conducted to the offspring. EA is compared with the best-so-far algorithms SRTS, PH1p and DPSOvnd on 110 benchmark instances. Experimental results show that EA outperforms the others on effectiveness but is a little worse than DPSOvnd on efficiency. © 2011 IEEE.

关键词： Evolutionary algorithms

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Performance Analysis for Intrusion Target Detection in Wireless Sensor networks

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电子学报(英文版) 2011年第4期20卷 725-729页

作者： FAN Gaojuan WANG Ruchuan HUANG Haiping SUN Lijuan XIAO Fu College of Computer Nanjing University of Posts and Telecommunications Nanjing Chin School of Computer and Information Engineering Henan University Kaifeng China Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks Nanjing China Key Laboratory of Broadband Wireless Communication and Sensor Network Technology (Nanjing University of Posts and Telecommunications) Ministry of Education of Jiangsu Province Nanjing China

Target detection and field surveillance are among the most prominent applications of wireless sensor networks. The quality of detection achieved by a sensor network can be quantified by evaluating the probability of detecting a mobile target crossing a sensing field. Detection probability of sensor nodes has been studied in sensor networks for many purposes such as quality of service and decision making. However, the sensing capabilities of sensors are affected by environmental factors in real deployment. This paper investigates the problem of detecting probability in a log-normal shadow fading environment. It presents an analytic method to evaluate the detection probability by at least k sensors under practical considerations. Furthermore, we also shows that shadow fading makes significant influence in detection probability compared to unit disk sensing model through extensive simulation experiments.

关键词：无线传感器网络目标检测性能分析入侵检测概率环境因素阴影衰落传感器节点

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L-WMxD: Lexical based Webmail XSS Discoverer

L-WMxD: Lexical based Webmail XSS Discoverer

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2011 IEEE Conference on computer Communications Workshops, INFOCOM WKSHPS 2011

作者： Tang, Zhushou Zhu, Haojin Cao, Zhenfu Zhao, Shuai Department of Computer Science and Engineering Shanghai Jiao Tong University China Key Laboratory of Information Network Security Ministry of Public Security China

ISBN: (纸本)9781457702488

XSS (Cross-Site Scripting) is a major security threat for web applications. Due to lack of source code of web application, fuzz technique has become a popular approach to discover XSS in web application except Webmail. This paper proposes a Webmail XSS fuzzer called L-WMxD (Lexical based Webmail XSS Discoverer). L-WMxD , which works on a lexical based mutation engine, is an active defense system to discover XSS before the Webmail application is online for service. The engine is initialized by normal JavaScript code called seed. Then, rules are applied to the sensitive strings in the seed which are picked out through a lexical parser. After that, the mutation engine issues multiple test cases. Newly-generated test cases are used for XSS test. Two prototype tools are realized by us to send the newly-generated test cases to various Webmail servers to discover XSS vulnerability. Experimental results of L-WMxD are quite encouraging. We have run L-WMxD over 26 real-world Webmail applications and found vulnerabilities in 21 Webmail services, including some of the most widely used Yahoo!Mail, Mirapoint Webmail and ORACLE' Collaboration Suite Mail. © 2011 IEEE.

关键词： Engines

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Three-mobile-beacon assisted weighted centroid localization method in wireless sensor networks

Three-mobile-beacon assisted weighted centroid localization ...

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2011 IEEE 2nd International Conference on Software Engineering and Service Science, ICSESS 2011

作者： Cui, Huan-Qing Wang, Ying-Long Lv, Jia-Liang Mao, Yu-Ming College of Information Science and Engineering Shandong University of Science and Technology Qingdao China Shandong Provincial Key Laboratory of Computer Network Shandong Computer Science Center Jinan China

ISBN: (纸本)9781424496969

Localization is one of the key technologies in wireless sensor networks, and the mobile beacon assisted localization method is promising to reduce the cost. The methods with only one beacon introduce collinearity problem which degrades performance. This paper proposes a weighted centroid localization method using three mobile beacons. These beacons preserve a special formation while traversing the network deployment area, and broadcast their positions periodically. The sensor nodes to be localized estimate the distances to these beacons, and utilize weighted centroid localization scheme to calculate its position. Simulation shows that this method is superior to trilateration and weighted centroid algorithm with single mobile beacon. © 2011 IEEE.

关键词： Sensor nodes

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Knowledge discovery from noisy datasets

Knowledge discovery from noisy datasets

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2011 International Conference on Automation and Robotics, ICAR 2011

作者： Li, Hong Zong, Yu Chen, Enhong Key Laboratory of Network and Intelligent Information Processing Department of Computer Science and Technology Hefei University 230001 China School of Computer Science and Technology University of Science and Technology of China 230001 China

ISBN: (纸本)9783642256455

It is a significant challenges to deal with the noise data in data mining and knowledge discovery applications. Most of previous works on data cleansing and correction have been focused on addressing class noise or attribute noise for the benefit of the subsequent mining process. In this paper, we propose an error-sensitive(ES) data mining framework, which makes use of noise knowledge to restore original data distributions and accommodates noise knowledge to enhance data classification accuracy. We materialize our main idea by constructing Attribute-Decision tree and measureing correlation among attributes. Experimental results show that ES data mining procedure has ability to significantly improve the quality of data mining results. © 2011 Springer-Verlag.

关键词： Classification (of information)

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A single Neuron Self-adaptive PID controller of Brushless DC Motor

A single Neuron Self-adaptive PID controller of Brushless DC...

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International Conference on Measuring Technology and Mechatronics Automation

作者： Wang, Maoli Guanghe, Cheng Kong, Xiangxin Shandong Provincial Key Laboratory of computer Network Shandong Computer Science Center Shandong 250014 China School of Electrical Information and Automation Qufu Normal University Rizhao Shandong 276826 China

ISBN: (纸本)9780769542966

This paper presents the Neuron Self-adaptive PID control of Brushless DC (BLDC) Motor. It is difficult to tune the parameters and get satisfied control characteristics by using normal PID controller. As the single neuron has the ability of self-learning, the simple structure and it is easy for computing, In order to control the BLDC motor, a single neuron self-adaptive PID controller is designed as the controller of the BLDC motor. The experimental results verify that a single neuron self-adaptive PID controller has better control performance than the normal PID controller.

关键词： Brushless DC motors

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A new digital video watermark algorithm based on the HVS

A new digital video watermark algorithm based on the HVS

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2011 International Conference on Internet Computing and information Services, ICICIS 2011

作者： Liao, Lufang Zheng, Xiaoshi Zhao, Yanling Liu, Guangqi Shandong Computer Science Center Shandong Provincial Key Laboratory of Computer Network Technology Jinan China School of Information Science and Technology Shandong Institute of Light Industry SDILI Jinan China

ISBN: (纸本)9780769545394

The algorithm applied to video watermark based on HVS is rare recently , but adaptively selecting the embedding position and the embedding strength according to the host(such as videos, images etc.) is necessary, which can make robustness and invisibility best balanced. This article gives a new algorithm about digital video watermarking based on HVS, which makes digital video watermark greatly improved. © 2011 IEEE.

关键词： Multimedia systems

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Detecting DDoS Attack With Hilbert-Huang Transformation

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China Communications 2011年第2期8卷 126-133页

作者：郑康锋王秀娟杨义先郭世泽 Key Laboratory of Network and Information Attack & Defense Technology of MOE Beijing University of Posts and Telecommunications College of Computer Sciences Beijing University of Technology

DDoS detection has been the research focus in the field of information security. Existing detecting methods such as Hurst parameter method and Markov model must ensure that the network traffic signal f(t) is a stationary signal. But its stability is just a regular assumption and has no strict mathematical proof. Therefore methods mentioned above lack of reliable theoretical support. This article introduces Hilbert-HuangTtransformation(HHT) . HHT does not need to be based on signal stability,but it monitors the similarity between Hilbert marginal spectrums of adjacent observation sequences so as to realize DDoS detection. The method is experimented on DARPA 1999 data and simulating data respectively. Experimental results show that the method behaves better than existing Hurst parameter method in distinguishing both the normal and the attacked traffic.

关键词： HHT similarity DDoS detection marginal hilbert spectrum

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