Data Assimilation for Updating Geospatial Database
Shaomei Li · 2010
There exist many problems in integrating and efficiently updating geospatial data at the present time.In accordance with this,a concept of data assimilation for updating geospatial data was imtroduced.The purpose was to improve the quality and updating efficiency of geospatial data.The concept,connotation and key technologies of multi-source geospatial data assimilation were described.Finally,the geospatial data updating mechanism driven GECA(Geographic Event-Condition-Action) rules was presented based on data assimilation.