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2009 Second International Workshop on Knowledge Discovery and Data Mining最新文献

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A Resilient In-Network Data Aggregation Scheme for Wireless Sensor Networks Based on Interleaved Authentication 基于交错认证的无线传感器网络弹性网内数据聚合方案
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.212
Wei Li, Qiaoliang Li
Wireless sensor networks (WSN) are used in many spheres, such as industry, commerce and military. WSN is composed of hundreds of thousands of sensor nodes with limited energy, computation and storage capacities. Thus the data aggregation technique becomes important because it can help to improving bandwidth usage and energy utilization. But the unprotected aggregation schemes are vulnerable because WSN often placed in untrust or even hostile environment, so the researches on secure aggregation become meaningful. Most prior works have focus on both data aggregation techniques and security techniques, but the researches on secure data aggregation were still few. In this paper, we focus on the integrality of data aggregation and present a resilient in-network data aggregation scheme for wireless sensor networks deploy in hostile environment.
无线传感器网络(WSN)在工业、商业和军事等领域有着广泛的应用。无线传感器网络由数十万个传感器节点组成,这些节点的能量、计算能力和存储能力有限。因此,数据聚合技术变得非常重要,因为它可以帮助提高带宽的使用和能源的利用率。但由于无线传感器网络经常被置于untrust甚至敌对环境中,无保护聚合方案极易受到攻击,因此对安全聚合方案的研究具有重要意义。以往的工作大多集中在数据聚合技术和安全技术两方面,但对安全数据聚合的研究仍然很少。本文从数据聚合的完整性出发,提出了一种适用于恶劣环境下部署的无线传感器网络的弹性网内数据聚合方案。
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引用次数: 0
An Extended Vector Space Model for XML Information Retrieval 面向XML信息检索的扩展向量空间模型
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.218
Yongming Guo, Dehua Chen, Jiajin Le
With the emergence of more and more XML documents, effectively and efficiently retrieving information from XML documents has become an active research area. Since XML documents lie between structured data and unstructured data which describe both content and structure, it is a huge challenge for effectively and efficiently retrieving information from XML documents. This paper develops a novel retrieval model named as Extend Vector Space Model which effectively combines XPath and Vector Space Model for XML information retrieval. A prototype system for XML information retrieval based on this retrieval model has been implemented, and several corresponding algorithms have been introduced. The experiments show that this model has effectively improved recall and precision.
随着越来越多的XML文档的出现,从XML文档中高效地检索信息已成为一个活跃的研究领域。由于XML文档位于描述内容和结构的结构化数据和非结构化数据之间,因此有效和高效地从XML文档中检索信息是一个巨大的挑战。本文提出了一种新的检索模型——扩展向量空间模型,它将XPath和向量空间模型有效地结合起来用于XML信息检索。在此基础上实现了XML信息检索的原型系统,并介绍了相应的算法。实验表明,该模型有效地提高了查全率和查准率。
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引用次数: 2
Popularized Spatial Information Service Platform Based on Multi-Major GIS 基于多专业GIS的普及空间信息服务平台
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.233
J. Luo, Dian-Hong Wang, Xiao-Fang Zu, F. Zhang
This article regarded the popularization of GIS as a starting point. It researched the feasibility of the transformations based on special GIS to popular GIS. It proved the popular Spatial Information Service Platform structure mainly from data base, technical feasibility, system framework, function frame and user perspective. And it also gave a future construction idea about popular spatial information service platform based on distributed. The paper put forward a new mode to quickly set up a multi-major,three-dimensional,multi-level space service system in theory. This can tap the value of the existing GIS system fully, and reduce the waste of resources, which has the practical significance and the reference to setting up a resource-saving and harmonious society to the Digital City.
本文以GIS的普及为出发点。研究了基于特殊地理信息系统向普通地理信息系统转换的可行性。主要从数据库、技术可行性、系统框架、功能框架和用户角度论证了流行的空间信息服务平台结构。提出了基于分布式的大众化空间信息服务平台的未来建设思路。从理论上提出了一种快速建立多专业、立体、多层次空间服务体系的新模式。这可以充分挖掘现有GIS系统的价值,减少资源浪费,对构建资源节约型和谐社会的数字城市具有现实意义和借鉴意义。
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引用次数: 2
Network Fault Diagnosis Using Hierarchical SVMs Based on Kernel Method 基于核方法的分层支持向量机网络故障诊断
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.79
Li Zhang, Xiangru Meng, Hua Zhou
A new method based on kernel which can measure class separability in feature space is proposed in this paper for existing error accumulation when the Hierarchical SVMs is used to diagnose multi-class network fault. This method has defined metrics of sample distribution in feature space, which are used as the rule of constructing Hierarchical SVMs. Experiment results show that this method can restrain error accumulation and has higher multi-class classification accuracy, and offer an effective way for Network fault diagnosis.
针对分层支持向量机诊断多类网络故障时存在的误差积累问题,提出了一种基于核的特征空间类可分性度量方法。该方法定义了样本在特征空间中的分布度量,并将其作为构造分层支持向量机的规则。实验结果表明,该方法能够抑制误差积累,具有较高的多类分类精度,为网络故障诊断提供了一种有效的方法。
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引用次数: 6
The Organization and Scheduling of Massive Grid Geographic Data 海量网格地理数据的组织与调度
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.229
Xiangang Luo, Qi Ma, Zhong Xie
To solve the problem of organization and maintenance of massive grid geographic data, this paper present a multi-pyramid mixed organization model basing on the research of original pyramid model. In multi-pyramid model, a main pyramid could include some sub pyramid. Each sub pyramid is independent and can be deployed to different host. The paper also discusses the schedule method of grid data in different data organization model when grid data are displayed in the window, and achieved good effect in practice.
为了解决海量网格地理数据的组织与维护问题,在对原有金字塔模型进行研究的基础上,提出了一种多金字塔混合组织模型。在多金字塔模型中,一个主金字塔可以包含一些子金字塔。每个子金字塔都是独立的,可以部署到不同的主机上。本文还讨论了网格数据在不同数据组织模式下在窗口显示时的调度方法,并在实践中取得了良好的效果。
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引用次数: 1
A Model of Distributed Interprocess Communication System 分布式进程间通信系统模型
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.37
Xiao-Jun Peng, Yuanyuan Li, Wu Deng
With the increasingly widespread application of the network, a distributed operating system based on Linux cluster has been developing rapidly. This paper presents a kernel level distributed interprocess communication system model with support for distributed process synchronization and communication. This system model uses the System V interprocess communication programming interface and enhances it to provide functionality in distributed environments. A key feature of this system model is the use of the semaphore interface to support distributed synchronization and the implementation is done at the Linux kernel level to reduce the overhead. Finally, we realized this model introduced in this paper in redhat Linux cluster and test result show it is a good solution of distributed processes communication. Compared with other similar systems, the advantage of this system is that the implementation is done at the Linux kernel level to reduce the overhead and System V IPC API is easy to extend. User is easy to call the application interface of the distributed operating system, without considering any details of the network.
随着网络应用的日益广泛,基于Linux集群的分布式操作系统得到了迅速发展。提出了一个支持分布式进程同步和通信的内核级分布式进程间通信系统模型。该系统模型使用system V进程间通信编程接口,并对其进行了增强,以便在分布式环境中提供功能。该系统模型的一个关键特性是使用信号量接口来支持分布式同步,其实现在Linux内核级别完成,以减少开销。最后,我们在redhat Linux集群上实现了本文提出的模型,测试结果表明该模型是一种很好的分布式进程通信解决方案。与其他类似的系统相比,该系统的优点是在Linux内核级别完成实现,减少了开销,并且system V IPC API易于扩展。用户可以方便地调用分布式操作系统的应用程序接口,而无需考虑网络的任何细节。
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引用次数: 6
Assessment of Environmental Effect of Chinese Foreign Trade Based on Rough Sets and SOM Nerve Network 基于粗糙集和SOM神经网络的中国对外贸易环境效应评价
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.80
Zhao Jinana, Xu Zhao, Wu Zhuozheng
a hybrid intelligent system is applied to assess the environment effect of Chinese foreign trade, combining Rough Set approach (RS) and self organizing map (SOM). We can get reduced information table with no information loss by Rough Set approach. And then, this reduced information is used to develop classification rules and train SOM. The effectiveness of our methodology was verified by experiments data of Chinese product in 2006.
将粗糙集方法(RS)和自组织映射(SOM)相结合,建立了一个混合智能系统,对中国对外贸易的环境效应进行评估。利用粗糙集方法可以得到无信息损失的约简信息表。然后,这些约简信息被用于开发分类规则和训练SOM。2006年中国产品的实验数据验证了该方法的有效性。
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引用次数: 0
Research on the Process of Urbanization Based on the Comparison of China's 35 Major Cities' Urbanization Levels 基于中国35个主要城市城市化水平比较的城市化进程研究
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.30
Xin Liu, Weidong Li
Since the reform and opening-up policy, China's urbanization has improved continuously. Even though, here comes the bottleneck following the unplanned construction. In the face of obstacles, how to overcome these difficulties and by which means can we improve the level of urbanization comprehensively has become popular in the academic community. Whereas the situation mentioned above, this paper is to use factor analysis and hierarchical cluster analysis of multivariate statistical analysis to find the reasons for solving the problems based on the comparison of China's 35 major cities in the level of urbanization, and the results will be theoretical analyzed, the proposal of changing the model of urbanization from developing as fast as possible to developing comprehensively with proper speed will be proposed.
改革开放以来,中国城市化水平不断提高。尽管如此,在计划外的建设之后出现了瓶颈。面对重重障碍,如何克服这些困难,通过何种方式全面提高城市化水平,已成为学术界的热门话题。针对上述情况,本文拟通过对中国35个主要城市城镇化水平的比较,运用多元统计分析中的因子分析和层次聚类分析来寻找问题解决的原因,并对结果进行理论分析,提出将城镇化模式由“尽可能快发展”转变为“适度快发展”的建议。
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引用次数: 0
Based on the Possibility of an Association Rule Mining Algorithm 基于可能性的关联规则挖掘算法
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.74
Zhi-Wei Xu, Xue-Feng Zhang, Haiwang Zhang
In this paper, first raised the possibility of such a tendency on Services Framework -- a degree of dependence. The framework and support-confidence framework completely different. D database is the tendency of the incident and the extent of the incidents linked to the degree of measure contains rules. Comparatively speaking, more direct causal relationship between the events described, a more effective solution to the problem of redundant Mining Association Rules. In chromosomes, using a novel factor-encoding methods. D. effective compression of the database storage space and improves the speed of operation. From experimental results, using a genetic algorithm to find value in the efficiency and precision rate rules have certain advantages.
在本文中,首先提出了这种趋势在服务框架上的可能性——一定程度的依赖。该框架与支持信心框架完全不同。D数据库是将事件的倾向性与事件的程度联系起来的程度,包含度量规则。相对而言,更直接地描述了事件之间的因果关系,更有效地解决了关联规则的冗余挖掘问题。在染色体中,使用一种新的因子编码方法。D.有效压缩了数据库的存储空间,提高了操作速度。从实验结果来看,采用遗传算法寻找值在效率和精度率规则上具有一定的优势。
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引用次数: 0
An Automation Dynamic Testing Method Based AI-Controlling of VCR 一种基于ai控制的录像机自动动态测试方法
Pub Date : 2009-01-23 DOI: 10.1109/WKDD.2009.174
Qiuxun Ye, Tingfang Zhang
To realize the dynamic testing method & collecting sampling data in process of fields in industry is a problem solving in all the time. This paper gives a novel automation dynamic testing method based AI-Controlling of VCR, it is with some advantages that as follows: 1)An excellent effectiveness for a given period of time; 2)An integrated controlling area without any spots as yet untouched by changing TC value; 3)A better computation precision of judging & analyzing; 4)A large capacity of numbers without any effective figures limited word size of CPU for its VCO. Otherwise, the dynamic testing method would be still used in drawing some curves such as not straight-line diagram for time area properties, etc.
在工业现场过程中实现动态测试方法和采集采样数据一直是一个亟待解决的问题。本文提出了一种基于人工智能控制的VCR自动动态测试方法,具有以下优点:1)在给定时间内具有良好的有效性;2)一个综合控制区,没有任何尚未改变TC值的斑点;3)判断分析的计算精度更高;4)没有任何有效数字的大容量数字限制了CPU对其VCO的字长。否则,在绘制非直线图等一些曲线时,仍将采用动态测试方法。
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2009 Second International Workshop on Knowledge Discovery and Data Mining
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