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IEEE International Conference on e-Technology, e-Commerce and e-Service, 2004. EEE '04. 2004最新文献

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Using element and document profile for information clustering 使用元素和文档配置文件进行信息聚类
J. Lai, B. Soh
The tremendous growth in the amount of information available and the number of visitors to Web sites in the recent years poses some key challenges for information filtering and retrieval. Web visitors not only expect high quality and relevant information, but also wish that the information be presented in an as efficient way as possible. The traditional filtering methods, however, only consider the relevant values of document. These conventional methods fail to consider the efficiency of documents retrieval. In this paper, we propose a new algorithm to calculate an index called document similarity score based on elements of the document. Using the index, document profile will be derived. Any documents with the similarity score above a given threshold are clustered. Using these pre-clustered documents, information filtering and retrieval can be made more efficient.
近年来,可获得的信息量和访问Web站点的人数的巨大增长对信息过滤和检索提出了一些关键的挑战。网络访问者不仅希望获得高质量和相关的信息,而且希望信息以尽可能高效的方式呈现。传统的过滤方法只考虑文档的相关值。这些传统的方法没有考虑到文档检索的效率。在本文中,我们提出了一种基于文档元素计算文档相似度分数的新算法。使用索引,将派生文档概要文件。任何相似度得分高于给定阈值的文档都被聚类。使用这些预聚类文档,可以提高信息过滤和检索的效率。
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引用次数: 5
An enhanced EDCG replica allocation method in ad hoc networks 一种改进的自组网EDCG副本分配方法
Eric Jui-Lin Lu, Chin-Wei Chen
The maturity of wireless technology has led to an ever-increasing interest in mobile ad hoc networks (MANETs). Many applications are expected to be developed using MANETs. However, the connectivity among mobile hosts may change due to their mobility which results in frequent disconnections. Thus, data accessibility in MANETs is lower than that in traditional fixed networks. To ensure high data accessibility, most researches utilized replica allocation methods to improve data accessibility in MANETs. We propose a new replica allocation method for allocating replicas with high access frequencies on mobile ad hoc networks.
随着无线技术的成熟,人们对移动自组织网络(manet)的兴趣日益浓厚。许多应用预计将使用manet开发。然而,移动主机之间的连接可能会因其移动性而改变,从而导致频繁的断开连接。因此,与传统固定网络相比,城域网的数据可访问性较低。为了保证数据的高可访问性,大多数研究采用副本分配方法来提高城域网的数据可访问性。针对移动自组网中高接入频率的副本分配问题,提出了一种新的副本分配方法。
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引用次数: 5
Mobile target advertising by combining self-organization map and decision tree 结合自组织地图和决策树的移动目标广告
Shu-Chin Wang, K. Yan, C. Wei
Internet brings us convenient communication and changes many aspects of existing businesses and generated new companies with new business models, business opportunity. In order to achieve a sustainable competitive advantage, enterprises must first understand then please their customers. To satisfy customer needs, enterprises have to reach personalized and interaction channels. We proposed electronic ticket (eTickets), self-organization map (SOM) and decision tree arrive at personalized mobile advertising recommend mechanism. All of these technological processes mainly aim at promoting the products and enhancing customer loyalty as well as providing appropriate personalized mobile advertising for more profit to achieve win-win result.
互联网给我们带来了便利的交流,改变了现有企业的许多方面,产生了新的企业,新的商业模式,新的商业机会。为了获得持续的竞争优势,企业必须首先了解客户,然后取悦客户。为了满足客户的需求,企业必须达到个性化和互动性的渠道。我们提出了电子票证(eTickets)、自组织地图(SOM)和决策树来实现个性化的移动广告推荐机制。所有这些技术流程的主要目的都是为了推广产品,提高客户忠诚度,并提供适当的个性化移动广告,以获得更多的利润,实现双赢。
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引用次数: 2
Image authentication using relation measures of wavelet coefficients 基于小波系数关联测度的图像认证
Yuan-Liang Tang, Ching-Ting Chen
In this paper, a novel watermarking technique for image authentication is proposed. This technique operates in the wavelet domain and makes use of semifragile watermarks for achieving better robustness. The image is first transformed into the wavelet domain and the relations between neighboring coefficients are utilized to authenticate the integrity of the image content. By carefully designing the processes of feature extraction and watermark embedding, the proposed method is able to identify malicious changes made on the image, while very insensitive to common image processing. In addition, the system is secure because not only the watermark is protected by a private key but also building relations between coefficients significantly discourages an adversary from performing the collage attack.
本文提出了一种新的图像认证水印技术。该技术在小波域操作,并利用半脆弱水印来获得更好的鲁棒性。首先将图像变换到小波域,利用相邻系数之间的关系来验证图像内容的完整性。通过对特征提取和水印嵌入过程的精心设计,该方法能够识别出对图像所做的恶意改变,同时对普通图像处理非常不敏感。此外,该系统是安全的,因为不仅水印由私钥保护,而且系数之间的关系也大大阻止了对手进行拼贴攻击。
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引用次数: 14
Decision tree construction for data mining on grid computing 基于网格计算的数据挖掘决策树构建
Shun-Tzu Tsai, Chao-Tung Yang
Decision tree is one of the frequently used methods in data mining for searching prediction information. Due to its characteristics which are suitable for parallelism, it has been widely adopted in high performance field and developed into various parallel decision tree algorithms to deal with huge data and complex computation. Following the development of other technology fields, grid computing is regarded as the extension of PC cluster and therefore it future research development is highly valued. This new wave of Internet application is the 3rd generation of Internet applications following the traditional Internet and Web application. We have presented a grid-based decision tree architecture, and hope it can be applied on both parallel and sequential algorithms for the decision tree applications. Also, based on the scope and model of data mining applied in grid environment as well as user equivalent perspective, grid roles can be categorized into three types. We are hoping that through these definitions, software developers can define clear system processes and differentiate the application scope for software applications. To fulfil our architecture, we first apply an existing parallel decision tree algorithm-SPRINT algorithm in the grid environment. The performance and differences in many other areas are compared using different sizes of dataset. The experimental results are used for future reference and further development.
决策树是数据挖掘中常用的预测信息搜索方法之一。由于其适合并行化的特点,被广泛应用于高性能领域,并发展成各种并行决策树算法来处理海量数据和复杂计算。随着其他技术领域的发展,网格计算被视为PC集群的延伸,因此其未来的研究发展受到高度重视。这一新的Internet应用浪潮是继传统Internet和Web应用之后的第三代Internet应用。我们提出了一种基于网格的决策树架构,并希望它可以应用于并行和顺序算法的决策树应用。此外,根据网格环境中数据挖掘的范围和模型,以及用户等效视角,网格角色可以分为三种类型。我们希望通过这些定义,软件开发人员可以定义清晰的系统过程,并区分软件应用程序的应用范围。为了实现我们的架构,我们首先在网格环境中应用现有的并行决策树算法- sprint算法。使用不同大小的数据集比较许多其他领域的性能和差异。实验结果可供今后参考和进一步开发。
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引用次数: 14
The challenge of exclusions in pervasive cyberspace 在无处不在的网络空间中被排斥的挑战
Tzong-Song Wang, L. Bright
The number of people who yet have either inferior service or no access needs to be a major concern to research and development leaders in engineering and e-commerce. The challenge for cyberspace leaders is to recognize and resolve the problem of the disenfranchised groups in the world who have not yet been touched by the concept of pervasive computing. The continued dominance of urban markets controls the direction of the free enterprise development of computing. Less populated and smaller markets in rural parts of the world go unserved or have to endure much slower, inferior, and non-competitive access. Professional engineering and education societies need systematic plans to increase potential for inclusiveness in the practical implementation of the pervasive computing vision. Innovation unheeded by major parts of society defeats the efforts of exceptional researchers. To further develop a pervasive cyberworld, technologists need to include groups that have been disenfranchised or disinterested.
工程和电子商务领域的研发领导者需要关注的主要问题是,仍有多少人要么享受劣质服务,要么无法上网。网络空间领导者面临的挑战是认识并解决世界上尚未被普及计算概念触及的被剥夺权利群体的问题。城市市场的持续主导地位控制着计算机自由企业发展的方向。在世界农村地区,人口较少和规模较小的市场得不到服务,或者不得不忍受速度慢得多、质量低劣和非竞争性的准入。专业工程和教育协会需要系统的计划来增加普适计算视觉的实际实施中的包容性潜力。被社会主要部分忽视的创新会使杰出研究人员的努力付诸一篑。为了进一步发展一个无处不在的网络世界,技术专家需要包括那些被剥夺权利或不感兴趣的群体。
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引用次数: 0
The assessment of e-commerce awareness on highly valuable traditional products in Thailand 泰国高价值传统产品的电子商务意识评估
Sakuna Vanichvisuttikul, C. Jungthirapanich
We discuss the potential of e-commerce development of the Thai rural people who are the products owners in the government project entitled OTOP (One Tambon or District, One Product) Project in Thailand. It is done by reviewing the awareness and readiness of the products owners who are the regional products champions from all over Thailand. This study also identifies the enabling factors, the limitations, and forecasts the future growth of e-commerce for OTOP Project. Additionally, it is beneficial to both parties; the government and the people in the rural areas, in solving the problem at the grass root level in Thailand. Five hundred products owners were selected from different products categories, 253 out of 500 responded with usable answers. The response rate was 50.6% which is higher than the expected rate for such surveys. The major problems of the existing OTOP production process and business operation are price, lack of funds for stock inventory and piracy of local wisdom. Awareness of e-commerce among these rural people is high but the level of acceptance for the knowledge and technology transferred are rather low, due to the digital divide in Thailand. Most of them are facing the same situations which are about seeking more distribution channels and enhancing more markets.
我们讨论了泰国政府项目OTOP(一个Tambon或一个地区,一个产品)项目中泰国农村人口的电子商务发展潜力。这是通过审查产品所有者的意识和准备情况来完成的,他们是来自泰国各地的区域产品冠军。本研究也指出了OTOP项目的促成因素、限制因素,并预测了未来电子商务的增长。此外,这对双方都有利;政府和农村地区的人民,解决泰国基层的问题。从不同的产品类别中选出500名产品所有者,500人中有253人给出了可用的答案。调查的回应率为50.6%,高于此类调查的预期。OTOP现有的生产流程和经营存在的主要问题是价格、库存库存资金不足、山寨本土智慧。由于泰国的数字鸿沟,这些农村人口对电子商务的认识很高,但对转移的知识和技术的接受程度相当低。他们中的大多数都面临着同样的情况,那就是寻求更多的分销渠道,扩大更多的市场。
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引用次数: 7
Design and implementation of a computational grid for bioinformatics 生物信息学计算网格的设计与实现
Chao-Tung Yang, Yu-Lun Kuo, Chuan-Lin Lai
The popular technologies, Internet computing and grid technologies promise to change the way we tackle complex problems. They enable large-scale aggregation and sharing of computational, data and other resources across institutional boundaries. And harnessing these new technologies effectively transforms scientific disciplines ranging from high-energy physics to the life sciences. The computational analysis of biological sequences is a kind of computation driven science. Cause the biology data growing quickly and these databases are heterogeneous. We can use the grid system sharing and integrating the heterogeneous biology database. As we know, bioinformatics tools can speed up analysis the large-scale sequence data, especially about sequence alignment and analysis. The FASTA is a tool for aligning multiple protein or nucleotide sequences. These two bioinformatics software, which we used is a distributed and parallel version. The software uses a message-passing library called MPI (message passing interface) and runs on distributed workstation clusters as well as on traditional parallel computers. A grid computing environment is proposed and constructed on multiple Linux PC clusters by using globus toolkit (GT) and SUN grid engine (SGE). The experimental results and performances of the bioinformatics tool using on grid system are also presented.
互联网计算和网格技术等流行技术有望改变我们处理复杂问题的方式。它们使计算、数据和其他资源的大规模聚合和共享能够跨越机构边界。利用这些新技术有效地改变了从高能物理学到生命科学的科学学科。生物序列的计算分析是一门计算驱动的科学。由于生物学数据的快速增长和这些数据库的异构性。我们可以利用网格系统共享和整合异构生物数据库。生物信息学工具可以提高大规模序列数据的分析速度,特别是序列比对和分析。FASTA是一种对多个蛋白质或核苷酸序列进行比对的工具。这两个生物信息学软件,我们使用的是分布式和并行的版本。该软件使用一种称为MPI(消息传递接口)的消息传递库,可以在分布式工作站集群以及传统的并行计算机上运行。采用globus toolkit (GT)和SUN网格引擎(SGE),在多个Linux PC集群上提出并构建了网格计算环境。最后给出了生物信息学工具在网格系统上的实验结果和性能。
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引用次数: 3
Matchmaking for business processes based on choreographies 基于编排的业务流程匹配
A. Wombacher, Péter Fankhauser, Bendick Mahleko, E. Neuhold
Web services have a potential to enhance B2B e-commerce over the Internet by allowing companies and organizations to publish their business processes on service directories where potential trading partners can find them. This can give rise to new business paradigms based on ad-hoc trading relations as companies, particularly small to medium scale, can cheaply and flexibly enter into fruitful contracts, e.g., through subcontracting from big companies by simply publishing their business processes and the services they offer. More business process support by the Web service infrastructure is however needed before such a paradigm change can materialize. A service for searching and matchmaking of business processes does not yet exist in the current infrastructure. We believe that such a service is needed and will enable companies and organizations to be able to establish ad-hoc business relations without relying on manually negotiated interorganizational workflows. We give a formal semantics to business process matchmaking based on finite state automata extended by logical expressions associated to states.
通过允许公司和组织在潜在的贸易伙伴可以找到的服务目录上发布其业务流程,Web服务具有增强Internet上B2B电子商务的潜力。这可以产生基于特殊贸易关系的新业务范例,因为公司,特别是中小型公司,可以廉价和灵活地签订富有成效的合同,例如,通过简单地公布其业务流程和提供的服务,从大公司进行分包。然而,在实现这种范式变更之前,需要Web服务基础设施提供更多的业务流程支持。在当前的基础设施中还不存在用于搜索和匹配业务流程的服务。我们相信这样的服务是需要的,它将使公司和组织能够建立特别的业务关系,而不依赖于人工协商的组织间工作流。在有限状态自动机的基础上,通过与状态相关的逻辑表达式进行扩展,给出了业务流程匹配的形式化语义。
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引用次数: 174
The design of QoS broker algorithms for QoS-capable Web services 为支持QoS的Web服务设计QoS代理算法
Tao Yu, Kwei-Jay Lin
QoS (quality of service) support in Web services is an important issue. We present a QoS-capable Web service architecture, QCWS, by introducing a QoS broker module between service clients and providers (servers). The functions of the QoS broker module include collecting QoS information about servers, making selection decisions for clients, and negotiating with servers to get QoS commitments. We propose two resource allocation algorithms (HQ and RQ) used by QoS broker when broker acts as the front-end of a server. The goals of algorithms are to maximize the server resource usage while minimizing the QoS instability for each client. The QoS performance and instability tradeoffs of both algorithms are studied by simulation.
Web服务中的QoS(服务质量)支持是一个重要的问题。通过在服务客户机和提供者(服务器)之间引入QoS代理模块,我们提出了一个支持QoS的Web服务体系结构QCWS。QoS代理模块的功能包括收集服务器的QoS信息、为客户端做出选择决策以及与服务器协商以获得QoS承诺。提出了QoS代理作为服务器前端时所使用的两种资源分配算法(HQ和RQ)。算法的目标是最大化服务器资源的使用,同时最小化每个客户端的QoS不稳定性。通过仿真研究了两种算法的QoS性能和不稳定性权衡。
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引用次数: 78
期刊
IEEE International Conference on e-Technology, e-Commerce and e-Service, 2004. EEE '04. 2004
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