摘要
为了解决粮食管理中由于未及时预警而导致各种事故的难题,在粮食信息化管理基础上,结合G IS(Geograph ic Inform ation System)技术构建了粮食管理预警决策支持系统,利用监控预警模型、预测预警模型和知识发现预警模型对粮食信息进行监控与分析,发现威胁粮食安全的因素并及时进行预警。系统的有效预警率达到85%以上。系统已试运行,并取得满意的效果。
It is a hard problem for grain management department that some accidents happen because of no early warning. Based on GIS technology, the GMEW-DSS （Grain Management Early Warning-Decision Support System） is built. Using monitoring model, forecast model and knowledge discovery model, GMEW-DSS monitors and analyzes grain information to find the dangers and gives early-warning information in time. The rate of validity early-warning is up to 85%. The GMEW-DSS was tested and the results are satisfied.
出处
《吉林大学学报（信息科学版）》
CAS
2006年第4期396-401,共6页
Journal of Jilin University（Information Science Edition）
基金
国家自然科学基金资助项目(60073039
60273080)
吉林省科技发展计划基金资助项目(20020306)
关键词
预警
地理信息系统
预警模型
决策支持系统
early warning
geographic information system
early warning model
decision support system
