利用判定树归纳与面向属性归纳的组合方法对建筑业中施工企业的特征提取

Using Combined Method of Decision Tree and Attribute-Oriented Induction to Extract the Feature of Construction Corporation

文章采用数据挖掘技术中的判定树归纳与面向属性归纳相组合的方法,对“昆明建筑工程交易中心信息管理计算机网络系统”中施工企业关系数据库中的细节数据进行概念分层和特征提取,构造出容易解释和效率较高的判定树和分类规则,可为建设单位和建筑管理机构的决策者提供更直观地、更深入地了解施工企业的决策信息,据此选择具备承担招标项目能力、资信良好的企业,另一方面又能增强业主的工程施工风险防范能力,提高对建筑业施工企业的管理水平。

This paper combines the decision tree and attribute-oriented induction to extract concept hierarchy and enterprise feature from within the detail data of a relational database of construction corporations,and produces the decision tree and classification rules that are of higher efficiency and easier to be explained.By using the combined method,the owner of construction project and the construction management institution can get more objective and more thorough decision information about construction corporations from which to select candidates that has actual capability and better credit records.In addition,the owners' capability of preventing risks they bear in construction projects can be strengthened by using the method,and the management level of construction enterprise can be heightened.