Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
In its current state, VRML does not provide support for interaction and on-line access to databases, even though these are two fundamental issues for business applications. We hav...
In order to help researchers of humanities study the cultural ancient resources from temporal and geographical perspectives, we build WebGISRBDL at Peking University. In WebGIS-RBD...
Ming Zhang, Dongqing Yang, Zhi-Hong Deng, Sai Wu, ...
Geography Markup Language (GML) is an XML-based language for the markup, storage, and exchange of geospatial data. It provides a rich geospatial vocabulary and allows flexible doc...
Much of the data that we encounter has a spatial (geographic locational) aspect yet this has not been readily exploited by traditional RDBMS. Over the past five years there has be...