Paper:
Language: English:
GML Topology Data Storage Schema Design
Yuzhen Li, Jianming Lu, Jihong Guan, Mingying Fan, Ayman Haggag, and Takashi Yahagi
Graduate School of Science and Technology, Chiba University
1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
Received: December 27, 2006
Accepted: March 19, 2007
Keywords: GML, topological data, topology scheme, spatial query
Journal ref: Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.11, No.6 pp. 701-708, 2007
Abstract
Geography Markup Language (GML) was developed to standardize the representation of geographical data in extensible markup language (XML), which facilitates geographical information exchange and sharing. Increasing amounts of geographical data are being presented in GML as its use widens, raising the question of how to store GML data efficiently to facilitate its management and retrieval. We analyze topology data in GML and propose storing nonspatial and spatial data from GML documents in spatial databases (e.g, Oracle Spatial, DB2 Spatial, and PostGIS/PostgreSQL.). We then use an example to analyze the topology relation.
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