TY - JOUR ID - Siekmann2001 T1 - Information Fusion in the Context of Stock Index Prediction A1 - Siekmann, S. A1 - Kruse, Rudolf A1 - van Overbeek, F. A1 - Cooke, R. A1 - Gebhardt, Jörg JA - International Journal of Intelligent Systems Y1 - 2001 VL - 11 SP - 1285 EP - 1298 ER -