This article introduced a visualizing data-mining model with the name DVM, and implemented the cleaning and extraction of heterogeneous data sources with the technology of data mining, object-oriented and visualization.

• 以上海证券交易所提供实验数据为基础,系统地介绍了一个数据挖掘可视化模型DVM（Data-Mining Visual Model）,并采用数据挖掘、面向对象及可视化技术实现对数据源的清洗和提取。