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22nd International Conference on Advanced Information Networking and Applications - Workshops (aina workshops 2008)最新文献

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Monitoring Network Traffic to Detect Stepping-Stone Intrusion 监控网络流量检测踏脚石入侵
Jianhua Yang, Byong Lee, Stephen S. H. Huang
Most network intruders tend to use stepping-stones to attack or to invade other hosts to reduce the risks of being discovered. There have been many approaches that were proposed to detect stepping-stone since 1995. One of those approaches proposed by A. Blum detects stepping-stone by checking if the difference between the number of the send packets of an incoming connection and the one of an outgoing connection is bounded. One weakness of this method is in resisting intruders' evasion, such as chaff perturbation. In this paper, we propose a method based on random walk theory to detect stepping-stone intrusion. Our theoretical analysis shows that the proposed method is more effective than Blum's approach in terms of resisting intruders' chaff perturbation.
大多数网络入侵者倾向于使用踏脚石攻击或入侵其他主机,以降低被发现的风险。自1995年以来,已经提出了许多方法来检测踏脚石。A. Blum提出的其中一种方法是通过检查传入连接和传出连接的发送数据包数量之间的差异是否有界来检测踏脚石。这种方法的一个缺点是不能抵抗入侵者的逃避,如箔条摄动。本文提出了一种基于随机游走理论的踏脚石入侵检测方法。理论分析表明,该方法比Blum方法更有效地抵抗了干扰的箔条扰动。
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引用次数: 10
Wikipedia Mining for Huge Scale Japanese Association Thesaurus Construction 维基百科挖掘大规模日本协会词库建设
Kotaro Nakayama, Masahiro Ito, T. Hara, S. Nishio
Wikipedia, a huge scale Web-based dictionary, is an impressive corpus for knowledge extraction. We already proved that Wikipedia can be used for constructing an English association thesaurus and our link structure mining method is significantly effective for this aim. However, we want to find out how we can apply this method to other languages and what the requirements, differences and characteristics are. Nowadays, Wikipedia supports more than 250 languages such as English, German, French, Polish and Japanese. Among Asian languages, the Japanese Wikipedia is the largest corpus in Wikipedia. In this research, therefore, we analyzed all Japanese articles in Wikipedia and constructed a huge scale Japanese association thesaurus. After constructing the thesaurus, we realized that it shows several impressive characteristics depending on language and culture.
维基百科,一个庞大的基于网络的词典,是一个令人印象深刻的知识提取语料库。我们已经证明了维基百科可以用来构建英语关联词库,我们的链接结构挖掘方法在这方面是非常有效的。然而,我们想知道如何将这种方法应用到其他语言中,以及这些语言的需求、差异和特点是什么。如今,维基百科支持英语、德语、法语、波兰语和日语等250多种语言。在亚洲语言中,日语维基百科是维基百科中最大的语料库。因此,在本研究中,我们分析了维基百科中所有的日语文章,并构建了一个庞大的日语关联词库。在构建同义词库之后,我们意识到它根据语言和文化表现出几个令人印象深刻的特征。
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引用次数: 6
A Node Self Similarity Approach for Interoperability Testing of Ad Hoc Routing Protocols Ad Hoc路由协议互操作性测试的节点自相似方法
S. Maag, C. Grepet
Interoperability testing for ad hoc routing protocols is crucial to the reliability of wireless mobile ad hoc networks. Nevertheless, most of the works in this area are devoted to simulations analyzing the performance of such protocols without taking into account their formal requirements and specifications. Our works deal with formal methods to test the interoperability of a MANET routing protocol, DSR. From previous works, many inconclusive verdicts were obtained on some test cases. To reduce them, a node self- similarity approach is presented in that paper.
自组织路由协议的互操作性测试对无线移动自组织网络的可靠性至关重要。然而,该领域的大部分工作都致力于模拟分析这些协议的性能,而没有考虑它们的正式需求和规范。我们的工作涉及测试MANET路由协议DSR的互操作性的正式方法。从以往的工作来看,在一些测试案例中得到了许多不确定的判决。为了减少它们,本文提出了一种节点自相似方法。
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引用次数: 0
An Interactive Video Course Platform with Authoring and Playback Systems 具有创作和播放系统的交互式视频课程平台
Han-Bin Chang, T. Shih, Hui-Huang Hsu, Chun-Chia Wang
Interactive video was developed to enable different video experiences to users. By using the technology, video materials can be augmented to attract students. An interactive video course platform integrated with authoring and playback systems is proposed in this paper. Content providers can produce interactive video courses by using the interactive video authoring tool. Video files will be cut into several smaller segments called scenes as the basic unit in a video course. Interactive objects and multimedia resources can also be inserted to video courses to enhance variety. Users can play interactive video via the proposed playback platform. Interactions, messages and other multimedia objects will be displayed in scenes when users browse video courses. The integrated system was used in class room and received positive feedbacks. Interested readers are welcome to visit our demonstrations at http://member.mine.tku.edu.tw/www/ham/IVEL.wmv.
开发交互式视频,为用户提供不同的视频体验。通过使用该技术,视频材料可以增强以吸引学生。本文提出了一个集制作系统和播放系统于一体的交互式视频课程平台。内容提供者可以使用交互式视频创作工具制作交互式视频课程。视频文件将被切割成几个更小的片段,称为场景,作为视频课程的基本单元。还可以在视频课程中插入互动对象和多媒体资源,以增加多样性。用户可以通过提议的播放平台播放交互式视频。当用户浏览视频课程时,交互、消息和其他多媒体对象将显示在场景中。该综合系统在课堂上得到了积极的反馈。有兴趣的读者可以访问我们的演示网站http://member.mine.tku.edu.tw/www/ham/IVEL.wmv。
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引用次数: 4
Bilateral Bargaining Game and Fuzzy Logic in the System Handling SLA-Based Workflow 基于sla的工作流处理中的双边议价博弈与模糊逻辑
D. Quan, J. Altmann
In the business Grid, the owner of a workflow is assumed to ask an SLA Workflow broker to execute the workflow for him. The price for executing a workflow on the Grid is negotiated between the user and the broker. Determining a price that satisfies both, the user and the SLA workflow broker, is a difficult task. This paper proposes a method using bilateral bargaining game model based on fuzzy logic to determine the price that the user and the broker could accept after the first negotiation round. We also analyze many parameters affecting the price determination process. The validation results show that the approach is suitable with business rules.
在业务网格中,假定工作流的所有者要求SLA工作流代理为他执行工作流。在网格上执行工作流的价格由用户和代理协商确定。确定一个同时满足用户和SLA工作流代理的价格是一项艰巨的任务。本文提出了一种利用基于模糊逻辑的双边议价博弈模型确定用户和经纪人在第一轮谈判后所能接受的价格的方法。我们还分析了影响价格确定过程的许多参数。验证结果表明,该方法适用于业务规则。
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引用次数: 7
An Energy Efficient Routing Scheme in Wireless Sensor Networks 一种无线传感器网络中的节能路由方案
Chiu-Kuo Liang, Yu-Jie Huang, J. Lin
In wireless sensor networks, it is an important task to periodically collect data from an area of interest for time-sensitive applications. The sensed data must be gathered and transmitted to a base station for further processing to meet the end-user queries. Since the network consists of low-cost nodes with limited battery power, it is a challenging task to design an efficient routing scheme that can minimize delay and offer good performance in energy efficiency, and long network lifetimes. In this paper, we propose a two layer hierarchical routing protocol, called cluster-based minimal spanning tree with degree-constrained (CMST-DC), to collect information efficiently. CMST-DC is efficient in the ways that it ensures maximal utilization of network energy, it makes the lifetime of the network longer, as well as it takes much lower time to complete a round. Simulation results show that CMST-DC performs better than other hierarchical routing protocols, such as low-energy adaptive clustering hierarchy (LEACH) and group-based sensor network (GSEN). In addition, CMST-DC is completely self-configurable and robust for any changes in network topology.
在无线传感器网络中,定期从感兴趣的区域收集数据对于时间敏感的应用是一项重要的任务。必须收集感测数据并将其传输到基站进行进一步处理,以满足最终用户的查询。由于网络由低成本节点和有限的电池电量组成,因此设计一种有效的路由方案是一项具有挑战性的任务,该方案可以最小化延迟,并提供良好的能效性能和较长的网络寿命。本文提出了一种基于聚类的最小生成树(CMST-DC)的两层分层路由协议来有效地收集信息。CMST-DC在确保最大限度地利用网络能量的方式上是高效的,它使网络的生命周期更长,并且完成一轮所需的时间更短。仿真结果表明,CMST-DC的性能优于其他分层路由协议,如低能量自适应聚类分层(LEACH)和基于组的传感器网络(GSEN)。此外,CMST-DC是完全自配置的,对于网络拓扑的任何变化都具有鲁棒性。
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引用次数: 12
Digital Certificate Mobile Agent Technologies in Distance Learning 远程教育中的数字证书移动代理技术
Dong-liang Lee, L. Deng
Security issues are become more and more important in network application. This paper proposed an application of distance learning which integrated with citizen digital certificate (CDC) public key infrastructure (PKI), including the grade uploading, student information inquiring, and electronic documentation flow control. We integrated a tracking and persistent agent-based mobility management system in the case of distance learning. The main purpose of this system is addressed to achieve the universal access objective. We addressed to solve the problems in case of the data transferring in the network, such as eavesdropping, snooping, modification, masquerading and repudiation. And this would improve the efficiency of entire computerize procedure of electronic campus policy totally which in the following projects: Grade Processing System And Governmental Autographing System, etc. Especially, the Grade Uploading System was the first time to integrate with CDC. This experience was very important to integrate/generate the most secured application system in the Distance Learning.
在网络应用中,安全问题变得越来越重要。本文提出了一种结合公民数字证书(CDC)公钥基础设施(PKI)的远程教育应用,包括成绩上传、学生信息查询和电子文档流控制。我们在远程学习的情况下集成了一个跟踪和持久的基于代理的移动管理系统。本系统的主要目的是实现普遍接入的目标。我们致力于解决数据在网络中传输时出现的窃听、窥探、修改、伪装和抵销等问题。这将全面提高电子校园政策在成绩处理系统、政府签名系统等项目中整个电脑化过程的效率。特别是,成绩上传系统首次与CDC集成。这种经验对于集成/生成远程教育中最安全的应用系统非常重要。
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引用次数: 3
Parallel Computing of CG Using an Open Source Windows Grid 基于开源Windows网格的CG并行计算
Kenichi Tanaka, M. Uehara, H. Mori
Recent times have seen a strong increase in the size, scope and number of information processing tasks computers are commonly used to perform. Grids are one form of distributed computing that, generally, aim for HTC (high throughput computing). Grids can also be constructed to perform HPC (high performance computing) at a relatively low cost when compared to clusters. There currently exists open source middleware for building grids. But when such grids consist of Windows machines it is difficult to use members of the grid efficiently. This research concerns the construction of a cheap grid of Windows machines. In this paper, we describe a Windows grid that uses multiple core processors which are becoming increasingly popular.
近年来,计算机通常用于执行的信息处理任务的规模、范围和数量都有了很大的增长。网格是分布式计算的一种形式,通常以HTC(高吞吐量计算)为目标。与集群相比,还可以构造网格以相对较低的成本执行HPC(高性能计算)。目前存在用于构建网格的开源中间件。但是,当这样的网格由Windows机器组成时,很难有效地利用网格中的成员。这项研究涉及构建一个廉价的Windows计算机网格。在本文中,我们描述了一种使用越来越流行的多核处理器的Windows网格。
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引用次数: 4
Disaster Information Service System for Relief Activities Using Ad-Hoc Network A Network Construction Algorithm and Results of Field Experiments 基于Ad-Hoc网络的救灾活动灾害信息服务系统——网络构建算法及现场实验结果
Kanae Sakamoto, Misako Urakami, Tetsuya Shigeyasu, H. Matsuno
Safety information of evacuee is the most important information in relief activities in a disaster such as earthquake. We have been developing an autonomous disaster information service system using ad-hoc networks that is constructed after the occurrences of a disaster, providing safety information of evacuee in safe shelters. This paper proposes an algorithm to compute a network of safe shelters based on geographical conditions such as distances, altitudes and arrangements of mountains and buildings in the distressed area. In addition, we report the results of field experiments conducted in a small urban area aiming at testing automatic routing function of the wireless router used in our research.
在地震等灾害中,撤离人员的安全信息是救援活动中最重要的信息。我们一直在开发一种自主灾害信息服务系统,该系统使用在灾难发生后构建的ad-hoc网络,提供安全避难所撤离人员的安全信息。本文提出了一种基于受灾地区的地理条件(如距离、海拔、山脉和建筑物的排列)计算安全避难所网络的算法。此外,我们报告了在一个小城市地区进行的现场实验结果,旨在测试我们研究中使用的无线路由器的自动路由功能。
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引用次数: 6
An Efficient Feature Selection Using Hidden Topic in Text Categorization 文本分类中基于隐藏主题的高效特征选择
Zhiwei Zhang, X. Phan, S. Horiguchi
Text categorization is an important research area in information retrieval. In order to save the storage space and get better accuracy, efficient and effective feature selection methods for reducing the data before analysis are highly desired. Usually, researches on feature selection use only a proper measurement such as information gain. In this paper, we propose a new feature selection method by adopting an attractive hidden topic analysis and entropy-based feature ranking. Experiments dealing with the well-known Reuters-21578 and Ohsumed datasets show that our method can achieve a better classification accuracy while reducing the feature dimension dramatically.
文本分类是信息检索领域的一个重要研究领域。为了节省存储空间并获得更好的准确率,需要在分析前对数据进行高效、有效的特征选择。通常,特征选择的研究只使用适当的度量,如信息增益。本文提出了一种新的特征选择方法,采用吸引力隐藏主题分析和基于熵的特征排序。对著名的Reuters-21578和Ohsumed数据集进行的实验表明,我们的方法在显著降低特征维数的同时,获得了更好的分类精度。
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引用次数: 18
期刊
22nd International Conference on Advanced Information Networking and Applications - Workshops (aina workshops 2008)
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