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1、信息管理专业英语教程信息管理专业英语教程 人民邮电出版社人民邮电出版社人民邮电出版社人民邮电出版社 司爱侠司爱侠 张强华张强华 编著编著Unit 10Unit 10Data Mining 退出退出New Words New Words New Words New Words New Words New Words New Words Phrases knowledge discovery知识发现computer-assisted process计算机辅助过程knowledge-driven decision知识驱动决策sift through筛选heath care卫生保健pattern re
2、cognition模式识别business decision业务决策,商务决定customer churn客户流失response rate响应率Phrases market basket analysis购物篮分析business opportunity业务机会,商业机会targeted marketing目标市场seemingly unrelated product看上去无关的产品point-of-sale data销售终端数据investment decision投资决策neural network神经网络graphical interface图形界面,图形接口predictive mo
3、del预测模型Phrases decision tree决策树rule induction规则归纳genetic algorithm遗传算法nearest neighbor最邻近算法delve into钻研,深入研究root out搜寻lawn mower割草机,剪草机Text请老师朗读并讲解课文请老师朗读并讲解课文Notes 1 Data mining is a powerful new technology with great potential to help companies focus on the most important information in the data t
4、hey have collected about the behavior of their customers and potential customers. 本句中,to help companies focus on the most important information in the data they have collected about the behavior of their customers and potential customers是一个动词不定式短语,做定语,修饰和限定potential。在该不定式短语中,they have collected abou
5、t the behavior of their customers and potential customers是一个定语从句,修饰和限定data。focus on的意思是“注重,关注”。Notes 2 An example of pattern discovery is the analysis of retail sales data to identify seemingly unrelated products that are often purchased together. 本句中,the analysis of retail sales data to identify se
6、emingly unrelated products that are often purchased together是一个名词性短语作表语。在该名词短语中,to identify seemingly unrelated products that are often purchased together 是一个动词不定式短语,做定语,修饰和限定retail sales data。在该不定式短语中,that are often purchased together是一个定语从句,修饰和限定products。Notes 3 Modeling is simply the act of build
7、ing a model (a set of examples or a mathematical relationship) based on data from situations where the answer is known and then applying the model to other situations where the answers arent known. 本句中,where the answer is known是一个定语从句,修饰和限定situations。where the answers arent known也是一个定语从句,修饰和限定other
8、situations。based on的意思是“基于,根据”; apply. to的意思是“将.应用于”。 Notes 4 From his existing database of customers, which contains information such as age, sex, credit history, income, zip code, occupation, etc., he can use data mining tools, such as neural networks, to identify the characteristics of those cust
9、omers who make lots of long distance calls. 本句中,which contains information such as age, sex, credit history, income, zip code, occupation, etc.是一个非限定性定语从句,对his existing database of customers进行补充说明。to identify the characteristics of those customers who make lots of long distance calls是一个动词不定式短语,做目的状语
10、,修饰主句的谓语use。在该不定式短语中,who make lots of long distance calls是一个定语从句,修饰和限定those customers。Exercises 请做课后练习请做课后练习练习参考答案单独提供练习参考答案单独提供计算机英语教程计算机英语教程,北京,人民邮电出版社:国家级十五规划教材,北京,人民邮电出版社:国家级十五规划教材电脑英语掌中宝电脑英语掌中宝,南京,东南大学出版社:获,南京,东南大学出版社:获“华东地区大学出版社教材专著二等奖华东地区大学出版社教材专著二等奖”计算机专业英语教程计算机专业英语教程,北京,高等教育出版社,北京,高等教育出版社电子
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