Gstruct: a system for extracting schemas from GML documents

Hui Chen; Fubao Zhu; Jihong Guan; Shuigeng Zhou

doi:10.1117/12.812530

3 November 2008 Gstruct: a system for extracting schemas from GML documents

Hui Chen, Fubao Zhu, Jihong Guan, Shuigeng Zhou

Proceedings Volume 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments; 714309 (2008) https://doi.org/10.1117/12.812530
Event: Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 2008, Guangzhou, China

Abstract

Geography Markup Language (GML) becomes the de facto standard for geographic information representation on the internet. GML schema provides a way to define the structure, content, and semantic of GML documents. It contains useful structural information of GML documents and plays an important role in storing, querying and analyzing GML data. However, GML schema is not mandatory, and it is common that a GML document contains no schema. In this paper, we present Gstruct, a tool for GML schema extraction. Gstruct finds the features in the input GML documents, identifies geometry datatypes as well as simple datatypes, then integrates all these features and eliminates improper components to output the optimal schema. Experiments demonstrate that Gstruct is effective in extracting semantically meaningful schemas from GML documents.

Citation Download Citation

Hui Chen, Fubao Zhu, Jihong Guan, and Shuigeng Zhou "Gstruct: a system for extracting schemas from GML documents", Proc. SPIE 7143, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 714309 (3 November 2008); https://doi.org/10.1117/12.812530

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