WANG Feng, SHA Jichang, CHEN Huowang, YANG Shuqiang: GeoSQL: A Spatial Query Language of Object-oriented GIS CSIT 2000 : 215-219
This article analyzes the definition of spatial query and the requirements of query languages in GIS, and discusses the grammar structures, spatial predicates of GeoSQL, the query language of a prototype object-oriented GIS, YH-GIS. In the last part, some query instances of GeoSQL are presented.
Copyright © 2000 by the Institute for Contemporary Education "JurInfoR-MSU". Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the CSIT copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Institute for Contemporary Education JMSUICE. To copy otherwise, or to republish, requires a fee and/or special permission from the JMSUICE.
Heinz Schweppe and Yuri S. Kabalnov (Eds.): CSIT'2000, Proceedings of 2nd International Workshop on Computer Science and Information Technologies, September 18-23, 2000, Ufa, Russia. USATU Publishers & JurInfoR-MSU Publishing 2000, ISBN 5-86911-312-1