GML方面的学术论文，对于WebGIS开发有参考价值。包括：GML_地理标记语言特征与分析、GML30及其在空间数据共享和互操作中的应用、GML30应用模式的开发及应用研究、GML30在空间数据建模中的应用-GML the academic paper for the development of WebGIS reference value. Include : GML_ Geography Markup Language features and analysis, GML30 in spatial data sharing and interoperability of applications, GML30 application model, the development and application of research in space GML30 Data Modeling Application