According to the dynamic heterogeneous spatial information plotting data, this paper presented a new integration method about dynamic heterogeneous spatial data, studied the spatial information plotting object and established the semantic ontology database. It declared the mapping rules in ontology, solved the semantic differences of spatial information plotting objects and finished the automatic or semi-automatic integration of plotting content to integrated automatic or semi-automatic of the

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... ontent for different plotting situations(same name of different place, different name of same place etc) and different plotting data types (text, images, sound, video etc). So it has great significance to enhance the efficiency of the plotting data integration. , Web of Conferences