基于在线评论的智能手机需求偏好判别及客户细分模型构建研究

为了帮助商家从在线评论中挖掘产品的需求偏好及客户构成，构建了基于LDA主题模型、情感分析，以及改进的K均值聚类算法等方法的产品需求偏好判别及客户细分模型。通过LDA模型挖掘用户需求偏好，利用情感分析进行情感打分，再用改进的聚类算法得到客户细分群体。最终得到用户对于手机的需求偏好以及客户细分群体构成，帮助商家更好地作出经营决策。     

改进RFM模型的汽车4S店客户细分研究

针对传统RFM模型存在用户特征不能充分提取的问题,提出改进的RFM模型.通过IV值进行指标选择,在传统RFM模型三个指标基础上加入新指标,采用熵权法对各指标赋权,同时采用数据分箱减少模型离散特征.通过K-Means聚类对分箱后的数据聚类分析,进行客户特征提取,制定相应的挽留措施,以实现基于客户细分的精准营销.结果表明,改进模型较原模型有显著提升.     

基于RFM模型的随机森林算法对民航客户的流失分析

近几年,随着航空市场的快速发展,对于航空公司而言,如何在增加市场占有率的同时,对客户的流失进行有效的控制也刻不容缓.基于随机森林算法,根据航空客户数据,建立流失预测模型,对客户是否已流失进行预测研究,将传统的RFM客户价值模型进行改进,结合随机森林算法对客户流失进行预测.实验结果表明,基于RFM模型的随机森林算法构建的...     

一种基于AHP方法的客户价值细分研究

通过分析基于客户生命周期价值客户价值细分的各种方法,给出了一种简单易行的基于AHP(层次分析法)的客户价值细分方案,为客户价值细分提供了一种新的思路。该方案引入AHP通过领域专家的群体决策计算出RFM(最近购买时间、购买频率和总购买金额)的权重,根据加权的RFM变量来对客户群进行聚类分析,探讨了该方案的具体实施流程,并对方案中的关键方法做了详细的分析。最后通过实例分析,聚类结果表明了这种方案能够有效地对客户群体进行细分。     

基于灰色关联度和K-Means++的电子商务客户价值分类

现有的模型大多采用RFM模型和K-means对客户价值进行分类,对指标权重的确定大多采用AHP法,没有考虑到RFM模型指标相互之间的联系.首先根据RFM模型选择平均购买时间间隔,客户在一定时间内的购买频率,平均每笔订单交易金额和客户的活跃时间构造RFMT模型来衡量客户价值.其次使用灰色关联度确定各指标权重.最后针对K-means的缺点,运用改进K-means （K-means++）和肘部法则对RFMT模型进行聚类分析.该模型能对客户群进行更加细致的划分,既能帮助电子商务企业识别出需要重点关注的客户即已流失客户和新客户群体,同时将该企业客户划分为价值由高到低的客户群,对不同客户群提出具体的营销建议.     

移动电子商务情境下客户细分优化算法的研究

由于传统聚类算法的收敛过早、精度较低等缺点无法满足移动电子商务情境下的客户多样性、动态性、复杂性等特点,在研究典型客户细分领域聚类算法的基础上,提出一种结合不同聚类算法优点的混合聚类算法M-Cluster。针对移动电子商务情境下学生群体的消费模式和群集现象,构建出基于M-Cluster算法的融合LTV和RFM模型优点的CPM模型用于评价和细分客户群。     

基于云模型理论的群体用户画像模型

为了能够对群体用户中不确定性和模糊性的行为精确的定量分析和定性相似度的计算,设计了一个基于云模型理论的定性相似度算法来给群体用户构建画像模型.首先,采用识别客户价值最广泛的RFM （Recency,Frequency,Monetary）模型来细分用户.其次,通过云模型变换算法将用户的行为转换为用户的云模型标签,该云模型标签就是对用户行为的一次定量表示,然后通过云模型聚类算法来划分出不同的客户类型,作为客户画像的模型,利用该模型指导商业营销活动.     

基于改进RFM模型的电子商务客户细分

对电子商务企业的客户进行准确细分,采取相应的营销策略,是电子商务发展的重要环节。在传统零售行业客户细分的RFM模型上,引入总利润属性,创建RFP模型,使用数据挖掘K-Means算法对某电子商务企业客户进行聚类分析,与RFM模型比较,并分析了模型属性的关联性对聚类结果的影响,得出了模型比较的六个结论和四个营销策略,能为电子商务行业以及其他销售行业提出相关营销策略。     

客户细分中聚类的应用

客户细分是企业识别客户类别、把握客户特征的重要方法。文章简单介绍了当前常用的客户细分的方法,针对电信企业提出了基于客户价值和客户行为的客户细分模型,采用K-means算法对电信企业客户进行聚类,并提出提升各类客户价值相应的策略。     

基于数据挖掘的消费者价值细分模型研究

针对服装电商客户细分,设计了包含3种变量8个指标的多层RFM模型,在此基础上,以某电商的服装营销数据为对象,利用SPSS工具对交易数据进行了数据分析,运用主客观综合法确定了各因素的权重,并采用K-Means聚类方法对客户的行为变量进行细分,根据细分结果,结合实际研究问题,分析客户群特征,从而为消费者制定具有个性化的营销策略,来逐步实现精准营销。     

Only connect: teaching, technology and telesis

Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.     

European Community policy and the market

Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.     

一种自适应子融合集成多分类器方法

融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。     

Avoiding semantic and temporal gaps in developing software intensive systems

Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.     

基于QTE的蒙古文显示机制研究与实现

蒙古语言是中国蒙古族使用的通用语言,由于蒙古文区别于其他文字的书写方式和其自身变形机制等特点,在很多通用的文字处理引擎中都不被支持。在嵌入式产品开发与应用领域中Linux加QTE已经成为流行方式。该文给出了一种在QTE环境上实现基于标准Unicode的蒙古文点阵显示和变形算法, 并自定义了支持蒙古文的QTE组件,扩展了QTE功能,为在Linux加QTE方式的嵌入式体系结构中处理蒙古文提供了一种解决方法。     

Designing economic np control charts: A programmed simulation approach

This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.     

基于AD9626的模拟信号采集存储卡设计

自然界的绝大部分信号都是以模拟的形式存在,因此模拟信号的采集转换存储在数字时代十分关键。文章讨论了在雷达信号处理领域基于AD9626的AD采集存储卡的设计原理、硬件结构和程序设计与芯片配置等问题,为今后相关领域的研究提供了可参考的方案。     

The development of robot art

Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008     

煤矿井下安全监控分站的设计及其仿真实现

为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.     

A human-computer interface for non-computer specialists

The COM teleconferencing system was designed to be easy to use for both beginners and people with much computer experience. A number of design choices in organizing the human-computer interface were considered very carefully. These design problems are not unique for teleconferencing applications, but will appear in many other developments of human-computer interfaces for non-computer specialists. This report discusses naming conventions, menu format, user commands, help facility and the treatment of ‘type ahead’ from the users.