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2008 International Seminar on Future Information Technology and Management Engineering最新文献

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A Study on the Enhancement of Competitiveness of Small and Medium Enterprises through the Integration of Marketing Capability with Technological Innovation 营销能力与技术创新相结合提升中小企业竞争力研究
Lei Wang, Xing Wang, Xiaoyan Wang
Small and medium enterprises (SME) constitute an important part of the national economy. Therefore, to enhance the technological innovation capability of SME in an all-round manner has become an important aspect in building China into an innovation-oriented country. This article, from the aspect of integrating marketing with technological innovation, studied the technological innovationpsilas importance for SME to maintain their competitiveness, and then discussed the supporting role marketing activities play in the technological innovation activities by SME, finally proposed three ways of integrating marketing capability and technological innovation, in order to offer some advice for the enhancement of competitiveness of Chinapsilas SME.
中小企业是国民经济的重要组成部分。因此,全面提升中小企业技术创新能力已成为中国建设创新型国家的一个重要方面。本文从营销与技术创新相结合的角度,研究了技术创新对中小企业保持竞争力的重要性,进而探讨了营销活动对中小企业技术创新活动的支持作用,最后提出了营销能力与技术创新相结合的三种途径,以期为中国中小企业竞争力的提升提供一些建议。
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引用次数: 1
Development of MES Based on Component and Driven by Ontology 基于构件和本体驱动的MES开发
Wen Long
The paper analyze the function of MES (manufacturing execution system) software and the traditional software development flow as well as the defects of the traditional software development method. To overcome the difficulties of traditional software development method, development of MES based on component and driven by ontology is put forward to prompt development efficiency and performance of MES, which can be more reconstructing, reuse, expansion and integration. Development method of MES software based on component and driven by ontology is feasible and efficient through developing a pharmaceutics MES which applied in a pharmaceutics manufacturing factory.
本文分析了MES(制造执行系统)软件的功能和传统的软件开发流程,以及传统软件开发方法的缺陷。为了克服传统软件开发方法的困难,提出了基于构件、本体驱动的MES开发方法,提高了MES的开发效率和性能,使MES具有更强的重构、重用、扩展和集成能力。通过对某制药企业MES的开发,验证了基于组件的、本体驱动的MES软件开发方法的可行性和有效性。
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引用次数: 1
Research on Middleware of Automatic Finding and Integration of Deep Web Query Interface 深层Web查询接口自动查找与集成中间件研究
Peiguang Lin, Chao Lv, Ku Jin
In this paper, the Deep Web technologies are analyzed and discussed, and a middleware of finding and integrating Deep Web query interface automatically is proposed. This middleware extracts the attributes of query interfaces and judges them whether interfaces of Web databases by computing the similarity between them; it can also cluster query interfaces and construct an integrated query interface. This middleware provides a practical tool for finding query interface automatically and constructing integrated query interfaces.
本文对深度网络技术进行了分析和讨论,提出了一种自动查找和集成深度网络查询接口的中间件。该中间件提取查询接口的属性,通过计算查询接口之间的相似度来判断查询接口是否为Web数据库的接口;它还可以对查询接口进行聚类,构造一个集成的查询接口。该中间件为自动查找查询接口和构造集成查询接口提供了实用的工具。
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引用次数: 2
SOA Technology and OOHIS System Analysis in College 高校SOA技术与OOHIS系统分析
Gu Cai-dong, Liao Hua, Wu Jian-ping, Li Jing-xiang, Zen Hai, Xiao Chang-shui, Fang Li-gang, Xu Lu-lei, Tan Fang-yong, Shen Pingping
Our integrated college campus information system based on service-oriented architecture (SOA) technology can provide object-oriented half integrated services (OOHIS). It can automatically select corresponding components from system component library in response to different service objectives to build a general-purpose major integration service. Via timely building of system component library, the object-oriented customized services of various colleges can form the different integration services for different customers, including college leadership, faculty, students, administrators, staff, and etc.. Through our developed interfaces and middleware, an old campus IT system can be divided into multiple function components that can be later called by the new system service modules. The system takes advantage of the wire and wireless network technology of IPV6 to realize the seamless integration between the normal office system and mobile office system. We also use XML and Web server technology to implement the system.
基于面向服务体系结构(SOA)技术的高校校园信息集成系统能够提供面向对象的半集成服务(OOHIS)。它可以根据不同的服务目标,自动从系统组件库中选择相应的组件,构建通用的主集成服务。通过及时构建系统组件库,各学院面向对象的定制服务可以针对不同的客户,包括学院领导、教师、学生、管理员、员工等,形成不同的集成服务。通过我们开发的接口和中间件,将一个旧的校园IT系统划分为多个功能组件,供新的系统服务模块调用。该系统利用IPV6的有线和无线网络技术,实现了常规办公系统与移动办公系统的无缝集成。我们还使用了XML和Web服务器技术来实现系统。
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引用次数: 1
The Performance of Several Combining Forecasts for Stock Index 几种组合预测对股票指数的影响
Weihong Wang, Shuangshuang Nie
In order to evaluate the performance of several combining forecasts, the paper firstly uses three single forecasting methods, namely grey model(GM (1,1)), BP neural networks and support vector machines (SVM), to forecast the Shanghai Industrial Index, the Shanghai Commercial Index, the Shanghai Real Estate Index, the Shanghai Public Utilities Index. Then it uses optimal weight linear combining forecasts model, BP neural based combining forecasts model and SVM-based combining forecasts model to forecast the above indexes. Through evaluating the results of these forecasting methods, it is argued that choosing the method which has the best forecasting result as the combining forecasts model can greatly enhance the forecast effectiveness.
为了评价几种组合预测的效果,本文首先采用灰色模型(GM(1,1))、BP神经网络和支持向量机(SVM)三种单一预测方法对上海工业指数、上海商业指数、上海房地产指数和上海公用事业指数进行预测。然后分别采用最优权重线性组合预测模型、基于BP神经的组合预测模型和基于支持向量机的组合预测模型对上述指标进行预测。通过对这些预测方法的效果进行评价,认为选择预测效果最好的方法作为组合预测模型,可以大大提高预测效果。
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引用次数: 19
Motion Vehicle Recognition and Tracking in the Complex Environment 复杂环境下的运动车辆识别与跟踪
T. Gao, Zhengguang Liu, Jun Zhang
Moving vehicle recognition and tracking is the key technology in the intelligent traffic monitoring system. For the shortcomings and deficiencies of the frame-subtraction method, a binary discrete wavelet transforms based moving object recognition algorithm is put forward, which directly detects moving vehicles in the binary discrete wavelet transforms domain. For the shortages of RGB or HSV color space based vehicle shadow segmentation algorithms, shadow segmentation algorithm based on YCbCr color space is proposed. First, the motion area which includes the vehicle and the shadow is selected by binary discrete wavelet transforms, and then the original data of the shadow according to the characteristics of the occurrence of shadow is chose, finally, the shape and location of the vehicle region is determined. An automatic particle filtering algorithm is used to track the vehicle after recognition and obtaining the center of the object. The actual road test shows that the algorithm can effectively remove the influence of pedestrians, cyclists in the complex environment, and can track the moving vehicle exactly. The algorithm with better robustness has a practical value in the field of intelligent traffic monitoring, and it is adopted by Tianjin Traffic Bureau.
移动车辆识别与跟踪是智能交通监控系统中的关键技术。针对减帧法的缺点和不足,提出了一种基于二值离散小波变换的运动目标识别算法,该算法在二值离散小波变换域内直接检测运动车辆。针对基于RGB或HSV色彩空间的车辆阴影分割算法的不足,提出了基于YCbCr色彩空间的车辆阴影分割算法。首先通过二值离散小波变换选择包含车辆和阴影的运动区域,然后根据阴影发生的特征选择阴影的原始数据,最后确定车辆区域的形状和位置。采用自动粒子滤波算法对目标进行识别,获取目标中心后对目标车辆进行跟踪。实际道路测试表明,该算法能有效消除复杂环境中行人、骑行者的影响,并能准确跟踪行驶车辆。该算法鲁棒性较好,在智能交通监控领域具有实用价值,已被天津市交通局采用。
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引用次数: 4
Review on Spatial Econometric Analysis 空间计量分析综述
Qingmin Hao
Due to different types of weights matrix, estimation and test, many kind of spatial econometric models are deduced especially depend on space effects and spatial correlation. The general formulation of several important spatial regression models for cross-sectional or panel data are analyzed based on adequate consideration of spatial effects and the formal expression of spatial autocorrelation. For spatial econometric model estimation, there are mainly three methods (maximum likelihood estimation, GMM estimation, and Bayesian estimation). Spatial model specification tests (such as Moran's I test, KR test, GMM-based test, LM/RS test, Wald test and likelihood ratio test) are used for several reasons based on the estimated regression and spatial weights matrix. So, the empirical study based on spatial econometrics should consider the different types of model specification and tests, especially the objectives for your research and application.
由于权重矩阵、估计和检验的类型不同,推导出了许多类型的空间计量经济模型,特别是依赖于空间效应和空间相关性。在充分考虑空间效应和空间自相关的形式表达的基础上,分析了几种重要的横截面或面板数据空间回归模型的一般公式。对于空间计量模型的估计,主要有三种方法(极大似然估计、GMM估计和贝叶斯估计)。基于估计的回归和空间权重矩阵,使用空间模型规格检验(如Moran's I检验、KR检验、基于gmm的检验、LM/RS检验、Wald检验和似然比检验)的原因有很多。因此,基于空间计量经济学的实证研究应考虑不同类型的模型规范和检验,特别是研究和应用的目标。
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引用次数: 1
A New Framework of Combinational Evaluation Methodology Based on Statistics 基于统计学的组合评价方法新框架
Zhongping Wang, Weidong Li
Comparing with single evaluation method, combinational evaluation method is more informative, more objective and more accurate. A new framework of combinational evaluation methodology based on statistics is constructed in this paper. At first the Kendall coefficient of consistency is computed to identify whether the different single evaluation methods are compatible. A nonlinear programming model is constructed to determine the weight of different evaluation method result. The effect of the combinational method is determined by the index of MAPE and MSPE. Then 20 listed companies in logistics industry are chosen as sample. Then the evaluation index system is constructed. Based on 4 single evaluation methods which are synthetic index, TOPSIS, efficiency coefficient method and factor analysis, combinational evaluation is constructed with the nonlinear programming model. The exploratory results show that combinational evaluation method is a good choice.
与单一评价方法相比,组合评价方法信息量更大、更客观、更准确。本文构建了一种新的基于统计学的组合评价方法框架。首先计算肯德尔一致性系数,以确定不同的单一评价方法是否相容。建立非线性规划模型,确定不同评价方法结果的权重。结合MAPE和MSPE指标确定了组合方法的效果。然后选取20家物流业上市公司作为样本。然后构建了评价指标体系。在综合指数法、TOPSIS法、效率系数法和因子分析法4种单一评价方法的基础上,利用非线性规划模型构建了组合评价方法。探索性结果表明,组合评价方法是一种较好的选择。
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引用次数: 0
Quality Assessment Based on Particle Swarm and Normal Similarity 基于粒子群和法向相似度的质量评价
Tie Wang, Gaonan Wang, Zhiguang Chen, Jianyang Lin
To assess quality fast and accurate, analyze the K-means clustering, point out that the main advantages of k-means algorithm are its simplicity and speed which allows it to run on large datasets .Introduce the method of particle swarm optimization, through calculation, point out that all the particles are likely to faster convergence on the optimal solution. According to the character of quality assessment that mean and standard deviation are considered, supply a normal similarity method; Result: The method that combines particle swarm optimization with normal similarity to assess quality is feasible.
为了快速准确地评估质量,分析了K-means聚类,指出K-means算法的主要优点是简单和速度快,可以在大数据集上运行。介绍了粒子群优化的方法,通过计算,指出所有的粒子都可能更快地收敛到最优解上。根据综合考虑均数和标准差的质量评价特点,提出了一种正态相似法;结果:将粒子群优化与法向相似度相结合的方法进行质量评价是可行的。
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引用次数: 0
On Dynamic Evolution of Industry Agglomeration Based on Swarm Intelligence 基于群体智能的产业集聚动态演化研究
Guan Jun
Defects of linear and circular models on industry agglomeration have been illustrated in this paper, with the conclusion that the defects lie in the improper prerequisite of the models, which will lead to false identification of the fundamental impetus of the phenomenon. A dynamic evolution model on industry agglomeration based on swarm intelligence is set up, followed with relevant computer simulation, leading to the finding that the accumulation and diffusion of knowledge is the prime motivation of industry agglomeration.
本文阐述了产业集聚线性模型和圆形模型的缺陷,认为其缺陷在于模型的前提条件不恰当,从而导致对产业集聚现象的根本动力的错误认识。建立了基于群体智能的产业集聚动态演化模型,并进行了计算机仿真,结果表明知识的积累和扩散是产业集聚的主要动力。
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2008 International Seminar on Future Information Technology and Management Engineering
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