数据仓库与数据挖掘技术彭宏学度第一学期期末考试试卷副本VIP免费

1 / 7 华南理工大学计算机科学与工程学院2005— 2006 学年度第一学期期末考试《数据仓库与数据挖掘技术》试卷专业：双语班年级： 2002 姓名：学号：注意事项： 1. 本试卷共四大题，满分100 分，考试时间120 分钟；2. 所有答案请直接答在试卷上；题号一二三四总分得分一. Fill in the following blanks. (1 point per blank, the total: 20 points) 1. A data warehouse is a __________, __________, __________ and __________collection of data in support of management’s decision making process. 2. The most popular data model for a data warehouse is a multidimensional model. Such a model can exist in the form of a _____ schema, a __________ schema, or a __________ schema. 3. List four OLAP operations ____________, ____________, ____________, and ____________. 4. Measures can be organized into the following three categories, based on the kind of aggregate functions used, __________, __________, and ________. 5. For interestingness measures of a pattern, there are four objective measures: __________, __________, __________ and novelty. 6. List three knowledge types to be mined: __________, __________, and __________. 二. Miscellaneous questions. (8 points per question, the total: 40 points) 1. Suppose that the data for analysis include the attribute age. The age values for the data tuples are: 13, 15, 16, 16, 19, 20, 20, 21, 22, 22, 25, 25, 25, 25, 30, 33, 33, 35, 35, 35, 35, 35, 36, 40, 45, 46, 52, 70. (a). Use min-max normalization to transform the value 35 for age onto the range [0.0, 1.0]. 2 / 7 (b). Use z-score normalization to transform the value 35 for age, where the deviation of age is 12.94 years. (c). Use normalization by decimal scaling to transform the value 35 for age. 2. Consider Association Rule (1) bellow, which was mined from...