关键词:医疗影像信息系统 RIS/PACS,数据仓库,数据挖掘,关联规则,时间序列 I 杭州电子科技大学硕士学位论文 ABSTRACT With the wide use of medical imaging information system (RIS/PACS), the hospital accumulated large amount of medical data. Many hospitals address the problem how to find useful information from enormous data in order to provide decision support for hospital’s development, management, and medical services. Based on a lar