A Unified Database Interface for Multiple Heterogeneous Databases. - Fernando de Ferreira Rezende; Georgiane de Sá Oliveira; Renata Costa Guedes Pereira; Ulrich Hermsen; Jörg Keller 002 (EFIS, 1999)

Application of Data-Mining and Knowledge Discovery in Automotive Data Engineering. - Jörg Keller 002; Valerij Bauer; Wojciech Kwedlo (PKDD, 2000)