A Semantic Description Method of Spatio-temporal Data and Its Application

摘要

Spatial data model is the basis of GIS to realize spatial data organization, expression, analysis, processing and application. This article from the semantic perspective of the data, classify and abstract the spatio-temporal information, analysis of space-time logic relationship between geographical entities and description method, abstract the geographic entities to be Space objects, explore space object definition and space-time evolution as well as dynamic of spatio-temporal data organization and storage methods, from time and space to build a seamless, integrated spatio-temporal data model, to solve the geographic space information of historical data and dynamic data management problems, for spatial information semantic interpretation and spatio-temporal data integration organization provides a new way of thinking.