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2010 2nd International Workshop on Intelligent Systems and Applications最新文献

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Study on Fire Detection Model Based on Fuzzy Neural Network 基于模糊神经网络的火灾探测模型研究
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473248
Quanmin Guo, J. Dai, Jian Wang
The fire signal detection is a non-structural problem and difficult to be precise described by mathematical model, which increase the difficulty of fire detection. According to the special type of signal detection technique such as fire signal detection, a fire detection model based on fuzzy-neural network is presented. This paper described the design method of the model, as well as its learning algorithm. In standard fire test rooms, simulation experiments were carried out for smoldering fire SH1 and flaming fire SH3 of the china national standard test fires, the model can make right judgment. Theory analysis and simulation study show that the model combines the advantages of fuzzy system and neural network, and improves the intelligence of fire detection, has a stronger ability to adapt the environment. It effectively solves the problems of mistake and failure in the fire alarm, and improves the sensibility of fire detection.
火灾信号探测是非结构性问题,难以用数学模型精确描述,增加了火灾探测的难度。针对火灾信号探测等特殊类型的信号探测技术,提出了一种基于模糊神经网络的火灾探测模型。本文描述了模型的设计方法,以及模型的学习算法。在标准的火灾试验室内,对中国国家标准试验火灾的阴燃火灾SH1和燃烧火灾SH3进行了模拟实验,该模型能够做出正确的判断。理论分析和仿真研究表明,该模型结合了模糊系统和神经网络的优点,提高了火灾探测的智能化,具有较强的环境适应能力。有效地解决了火灾报警中的误报和故障问题,提高了火灾探测的灵敏度。
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引用次数: 9
Automatic Clustering with Differential Evolution Using Cluster Number Oscillation Method 基于聚类数振荡的差分进化自动聚类
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473289
Wei-Ping Lee, Shen-Wei Chen
In this paper, an improved Differential Evolution algorithm (ACDE-O) with cluster number oscillation for automatic crisp clustering has been presented. The proposed algorithm needs no prior knowledge of the number of clusters of the data. Rather, it finds the optimal number of clusters on the processing with stable and fast convergence, cluster number oscillation mechanism will search more possible cluster number in case of bad initial cluster number caused bad clusters. Superiority of the proposed algorithm is demonstrated by comparing it with one recently developed partitional clustering algorithm. Experimental results over three real life datasets and the performance of proposed algorithm is mostly better than the other one.
本文提出了一种具有簇数振荡的改进差分进化算法(ACDE-O),用于自动聚类。该算法不需要预先知道数据簇的数量。而是在处理过程中找到最优簇数,收敛速度稳定,簇数振荡机制会在初始簇数不佳导致簇数不佳的情况下搜索更多可能的簇数。通过与最近开发的一种分区聚类算法的比较,证明了该算法的优越性。在三个真实数据集上的实验结果表明,所提算法的性能大多优于另一种算法。
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引用次数: 10
Mining Maximal Frequent Dense Subgraphs without Candidate Maintenance in PPI Networks PPI网络中无候选维护的最大频繁密集子图挖掘
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473237
Miao Wang, Xuequn Shang, Xiao-gang Lei, Zhanhuai Li
The prediction of protein function is one of the most challenging problems in bioinformatics. Several studies have shown that the prediction using PPI is promising. However, the PPI data generated from high-throughput experiments are very noisy, which renders great challenges to the existing methods. In this paper, we propose an algorithm, MFC, to efficiently mine maximal frequent dense subgraphs without candidate maintenance in PPI networks. It adopts several techniques to achieve efficient mining. We evaluate our approach on four human PPI data sets. The experimental results show our approach has good performance in terms of efficiency.
蛋白质功能的预测是生物信息学中最具挑战性的问题之一。几项研究表明,使用PPI进行预测是有希望的。然而,高通量实验产生的PPI数据具有很大的噪声,这对现有的方法提出了很大的挑战。在本文中,我们提出了一种MFC算法来有效地挖掘PPI网络中不需要候选维护的最大频繁密集子图。它采用了几种技术来实现高效采矿。我们在四个人类PPI数据集上评估了我们的方法。实验结果表明,该方法在效率方面具有良好的性能。
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引用次数: 1
Designing Product to Improve Affective Communication 设计产品促进情感沟通
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473552
Lei Shi, Z. Xie
Human being has been involved in a new information environment combining with embedded computing product and network. This combination is changing the relationships not only between human and product but also person to person. Information communication is required to be an important facet in product innovation. It is considered that the physical, cognitive and affective are the three levels of information communication. While the physical and cognitive levels of information design have been greatly improved in the last decade, it is important to rethink how affective design can improve interactions between human and products or interpersonal relationships. The paper discusses the evolution in information communications from three levels of the physical, cognitive and affective, and proposes design strategies approaching the affective design in product innovation.
嵌入式计算产品与网络相结合,人类已经进入了一个新的信息环境。这种结合不仅改变了人与产品之间的关系,也改变了人与人之间的关系。信息交流是产品创新的一个重要方面。认为身体、认知和情感是信息交流的三个层次。虽然信息设计的物理和认知水平在过去十年中有了很大的提高,但重新思考情感设计如何改善人与产品或人际关系之间的互动是很重要的。从物理、认知和情感三个层面探讨了信息沟通的演变,提出了产品创新中面向情感设计的设计策略。
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引用次数: 5
Knowledge Sharing Behavior in Organization: An Empirical Investigation 组织知识共享行为的实证研究
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473500
W. Lv
Effective knowledge sharing cannot be forced or mandated. Organizations desiring to institutionalize knowledge sharing behaviors must foster facilitative work context. The aim of this paper is to develop a deeper understanding of the factors inhibiting individuals' knowledge sharing intentions, and suggest a method to shape appropriate work context. To reach this goal, this paper focus on the inner knowledge externalization process, and formulate a research model which integrate self-concept-based model and theory of reasoned action to explain how contextual forces can transform into the triggers of inner motivations. Using the Structural Equation Modeling (SEM) method, data analysis showed that most of the research hypotheses were supported. The research findings show that the firm should (1) make the employees regard knowledge sharing as an enjoyment; (2) enforce their sense of belonging ; (3) induce employees' focus on long term return rather than shore term wins; (4) leverage centrality and promote individual reputations may also be helpful.
有效的知识共享不能强迫或强制。希望将知识共享行为制度化的组织必须培养便利的工作环境。本文的目的是深入了解抑制个人知识共享意愿的因素,并提出一种方法来塑造适当的工作环境。为实现这一目标,本文以内在知识外化过程为研究重点,构建了一个整合自我概念模型和理性行为理论的研究模型,来解释情境力量如何转化为内在动机的触发因素。采用结构方程建模(SEM)方法对数据进行分析,结果表明大部分研究假设都得到了支持。研究结果表明:企业应(1)使员工将知识共享视为一种享受;(2)强化归属感;(3)诱导员工关注长期回报而非短期利益;(4)利用中心性和提升个人声誉也可能有所帮助。
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引用次数: 2
Fuzzy Immune Adaptive Smith-PID Control for Water Quality Adjusting System of Thermal Power Plant 火电厂水质调节系统的模糊免疫自适应Smith-PID控制
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473245
Shuhua Peng, C. Hao, Denghua Li
Water quality adjusting system of thermal power plant is a large time-delay and time-varying controlled object. The control quality of the Fuzzy immune adaptive control and conventional Smith control is not satisfied. In order to solve the time-delay and time-varying problem, a fuzzy immune adaptive Smith-PID controller is presented. The controller combines biological immune system and fuzzy inference with Smith prediction controller. Fuzzy immune P regulator was used to setting the proportional gain of the PID controller in real-time. Fuzzy controller was used to setting the integration time constant and the differential time constant. And Smith controller was used to predict the time-delay. Simulation results showed that this control algorithm have the advantages of short settling time, strong stability, strong noise immunity.
火电厂水质调节系统是一个大时滞、大时变的被控对象。模糊免疫自适应控制和传统Smith控制的控制质量都不理想。为了解决系统的时滞和时变问题,提出了一种模糊免疫自适应Smith-PID控制器。该控制器将生物免疫系统和模糊推理与Smith预测控制器相结合。采用模糊免疫P调节器对PID控制器的比例增益进行实时整定。采用模糊控制器对积分时间常数和微分时间常数进行设定。采用Smith控制器对时滞进行预测。仿真结果表明,该控制算法具有稳定时间短、稳定性强、抗噪声能力强等优点。
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引用次数: 2
An Optimal CAC Scheme Based on GSMDP Model in Heterogeneous Wireless Networks 异构无线网络中基于GSMDP模型的最优CAC方案
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473251
Wen Chen, Jinming Yu, Feng Pan
This paper proposes an optimal CAC scheme in heterogeneous wireless networks called the GSMDP-based CAC (GCAC). Considering the limitations of the traditional Markov decision process for optimal CAC policy, we characterize the CAC problem through a GSMDP formulation. The performance is evaluated via simulation, and the results are compared with conventioinal GC scheme and an optimal CAC schme based on SMDP.
本文提出了一种异构无线网络的最优CAC方案——基于gsmdp的CAC (GCAC)。考虑到传统马尔可夫决策过程对最优CAC策略的局限性,我们通过GSMDP公式来描述CAC问题。通过仿真对其性能进行了评价,并与传统的GC方案和基于SMDP的最优CAC方案进行了比较。
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引用次数: 1
Study of Traffic Flow Prediction Based on BP Neural Network 基于BP神经网络的交通流预测研究
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473703
Fengying Cui
In this paper the back propagation (BP) neural network algorithm is applied to predict the traffic flow of urban road. The neuron structure needs 48 input nodes and 48 output nodes, so the frame of 48-20-48 is selected. First train an ideal input network with lower error square sum, then take the trained weight vector as initial value of the next input vector. The network training is realized by functions of adaptive learning rate and additional momentum method. The design can forecast 5-minute vehicle flow in future by the current related traffic flow and provide effective information for traffic department. The simulation by Matlab shows that the method with power learning ability and adaptability has high application value.
本文将BP神经网络算法应用于城市道路交通流预测。神经元结构需要48个输入节点和48个输出节点,因此选择48-20-48帧。首先训练一个误差平方和较小的理想输入网络,然后将训练得到的权向量作为下一个输入向量的初始值。通过自适应学习率函数和附加动量法实现网络训练。本设计可以根据当前相关交通流量预测未来5分钟的车流量,为交通部门提供有效的信息。Matlab仿真表明,该方法具有强大的学习能力和自适应能力,具有较高的应用价值。
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引用次数: 14
Nonhyperbolic Reflection Traveltimes and Moveouts in Anisotropic VTI Media 各向异性VTI介质中的非双曲反射走时和移动
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473626
Cun Yang, Junhua Zhang, X. Meng, Lixin Wang, Xiaowei Lv
The hyperbolic approximation of P-wave reflection traveltimes in common-midpoint gathers plays an important role in conventional seismic data processing and interpretation. It is well known that the normal moveout formula is based upon homogeneous isotropic media. The familiar hyperbolic approximation of P-wave reflection moveout is exact for homogeneous isotropic or elliptically anisotropic media above a planar reflector. Any realistic combination of heterogeneity, anisotropic coefficient, and nonelliptic anisotropy will cause departures from hyperbolic moveout at large offsets. Therefore, nonhyperbolic moveout gives exact traveltimes for elliptically anisotropic media overlaying a plane dipping reflector. In this paper, we compare a theoretical description of P-wave reflection traveltimes and degree of nonhyperbolic moveout with different anisotropic parameters.
在常规地震资料的处理和解释中,共中点地震道纵波反射行时的双曲近似具有重要的作用。众所周知,正常移出公式是基于均匀各向同性介质的。我们所熟悉的纵波反射移出的双曲近似对于平面反射器上方的均匀各向同性或椭圆各向异性介质是精确的。非均质性、各向异性系数和非椭圆各向异性的任何实际组合都会导致在大偏移量处偏离双曲位移。因此,非双曲移动给出了覆盖在平面倾斜反射器上的椭圆各向异性介质的精确旅行时间。本文比较了不同各向异性参数下p波反射走时和非双曲位移度的理论描述。
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引用次数: 0
Using Direct and Indirect Neighbours to Predict Protein Function in GO-Evaluated PPI Data Set 利用直接邻域和间接邻域预测go -评价的PPI数据集中的蛋白质功能
Pub Date : 2010-05-22 DOI: 10.1109/IWISA.2010.5473349
Miao Wang, Xuequn Shang, Shaohua Zhang, Zhanhuai Li
The recent development of high-throughout techniques to generate large volumes of protein-protein interaction(PPI) data, which increased the need for methods that annotate the function of protein. Some methods use indirect method to predict proteins function. However, due to the nature of noise, the relationship between proteins may not be existed in truth. In this paper, we propose a method of protein function prediction in GO-evaluated PPI data set. Firstly, the original PPI data set is evaluated by protein similarity method based on GO. Secondly, we develop an algorithm, FAW, which takes into account both direct and indirect functional association, to predict the function of proteins. Our approach is evaluated on four human PPI data sets. The experimental results show our approach has good performance in terms of efficiency.
最近高通量技术的发展产生了大量的蛋白质-蛋白质相互作用(PPI)数据,这增加了对蛋白质功能注释方法的需求。有些方法采用间接方法预测蛋白质的功能。然而,由于噪声的性质,蛋白质之间的关系可能并不真实存在。在本文中,我们提出了一种基于go评估的PPI数据集的蛋白质功能预测方法。首先,利用基于GO的蛋白质相似度方法对原始PPI数据集进行评估。其次,我们开发了一种考虑直接和间接功能关联的FAW算法来预测蛋白质的功能。我们的方法在四个人类PPI数据集上进行了评估。实验结果表明,该方法在效率方面具有良好的性能。
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引用次数: 2
期刊
2010 2nd International Workshop on Intelligent Systems and Applications
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