Algorithms for Characterization and Trend Detection in Spatial Databases. - Martin Ester; Alexander Frommelt; Hans-Peter Kriegel; Jörg Sander 001 (KDD, 1998)

Spatial Data Mining: Database Primitives, Algorithms and Efficient DBMS Support. - Martin Ester; Alexander Frommelt; Hans-Peter Kriegel; Jörg Sander 001 (Data Min. Knowl. Discov., 2000)