In de Silva, R. P. (Ed.). Geo-Information for Future of Sri Lanka: Proceedings of the Second National Symposium on Geo-Informatics, organized by Geo-Informatics Society of Sri Lanka (GISSL) and University of Peradeniya, Sri Lanka, 26 August 2005. Peradeniya, Sri Lanka: Geo-Informatics Society of Sri Lanka (GISSL).