Study of Information Model of Spatial Decision Support System
空间决策支持系统的信息模型研究

Spatial decision support system is the combination of geographical information system and decision support system,so it has the advantages of there two.It plays an important role in the development of national informationalization.Its information model,that is the information model of spatial data warehouse,is the key to the success of implementation of spatial decision support system.This paper proposes an universal,general-decision-oriented information model,entities-relations-problems,for spatial decision support system.At the end of the paper,the construction method of spatial data warehouse based on entities-relations-problems information model is discussed.