1. Lecture Notes in Computer Science;L. De Raedt,1997
2. Džeroski, S., Lavrač, N.: Relational Data Mining. Springer, Heidelberg (2001)
3. Egenhofer, M.: Reasoning about binary topological relations. In: Symposium on Large Spatial Databases, pp. 143–160 (1991)
4. Esposito, F., Malerba, D., Semeraro, G.: Flexible matching for noisy structural descriptions. In: International Joint Conference on Artificial Intelligence, pp. 658–664 (1991)
5. Ester, M., Kriegel, H.P., Sander, J.: Algorithms and applications for spatial data mining. Geographic Data Mining and Knowledge Discovery 5(6) (2001)