1. Abdelmoty, A.I. and Jones, C.B. Towards maintaining consistency of spatial databases. Proceedings of the sixth international conference on information and knowledge management. Edited by: Golshani, F. and Makki, K. pp.293–300. New York: ACM Press.
2. Ai, T., Li, Z. and Liu, Y. Progressive transmission of vector data based on changes accumulation model. Developments in spatial data handling, the 11th international symposium on spatial data handling. Edited by: Fisher, P.F. pp.85–96. Berlin: Springer-Verlag.
3. Modelling geographic data with multiple representations
4. Belussi, A., Catania, B. and Podestà, P. Towards topological consistency and similarity of multi-resolution geographical maps. Proceedings of the 13th international workshop on geographic information systems. Edited by: Shahabi, C. and Boucelma, O. pp.220–229. New York: ACM Press.