决策支持系统及其相关技术的研究是当前信息领域的热门课题。
Intelligent decision support system and its correlative technology is a new research field in current information field.
决策支持系统（DSS）及其相关技术的研究是当前信息领域的热门课题。
The research of Decision Support Systems (DSS) and its relevant technology is a hot subject of the present information field.
本论文中论述了当前主要的数据库、数据仓库优化理论和决策支持系统的关键技术。
This thesis expounds current primary database, data warehouse optimization theory, decision trees and decision support systems critical technologies.
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