Study of used up data technique in hydrological forecast of Liao river
Guo Ji · Water Resources & Hydropower of Northeast China · 2009
According to the characteristics of forecast based on data warehouse,combing with the reality of flood control and disaster reduction,the paper builds the hydrological data warehouse model oriented to the forecast for the analysis and management of massive data,studies the structure,function,data storage model and implementation technology of the model,builds a hydrological data warehouse system with data layer,organizing layer,used up layer and decision layer which undertakes different work in data use.And a complete system is formed from data preprocessing,data used up to knowledge representation.The paper discusses the application in hydrological forecast combined with the characteristics of methods such as cluster,classification and association analysis.