Presentations

• Building Dynamic Ontology in Spatial Data Infrastructures Using Collective Knowledge, Dept. Geography, PennState, December 2008
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• ?��?資�?系統?�放源碼/?�由軟�?簡�?, The 6th Taipei International Digital Earth Symposium, Taipei, Taiwan, May 15-16, 2008
• Toward GML-based Online GIS, GeoWeb 2006, Vancouver, Canada, July 24-28, 2006
• Experience in Building GML-based Interoperable Geospatial System, GML Days 2005,ancouver, Canada, July 18-222, 2005
• Trends Of Geospatial Technologies
• GML in Pratice, Workshop of OpenGIS
• Neogeography : Where GIScience Meet Web 2.0, A pre-confernece Workshop in the 7th Taipei International Digital Earth Symposium