| | | 2007 | |
| | | 1993 | 69 |
| | | 1994 | 66 |
| | | 1995 | |
| | | 2011 | 10 |
| | | 2002 | |
| | | 2004 | 170 |
| | | 2017 | 13 |
| | | 1997 | |
| | | 2007 | |
| | | 2013 | 21 |
| | | 2016 | |
| | | 2016 | 14 |
| Sensor web oriented web-based GISProceeding/Conference:Web and Wireless Geographical Information Systems: 8th International Symposium, W2GIS 2008, Shanghai, China, December 11-12, 2008. Proceedings | | 2008 | 8 |
| | | 2014 | |
| | | 2013 | 9 |
| | | 2004 | 40 |
| | | 2007 | 19 |
| | | 2004 | |
| | | 2003 | 5 |