Qualitatives Schließen und Qualitative Simulation
E. Hüllermeier, in: H. Szczerbicka, T. Uthmann (Eds.), Modellierung, Simulation Und Künstliche Intelligenz, SCS Publishing House, Erlangen, 1999, pp. 277–310.

Fuzzy sets and modelling of uncertainty in biological systems
E. Hüllermeier, C. Giersch, in: In Proceedings IPMU-98 7th International Conference on Information Processing and Management  of Uncertainty in Knowledge-Based Systems, Paris, La Sorbonne, Editions E.D.K., 1998, pp. 1857–1864.

A Bayesian approach to case-based probalistic reasoning
E. Hüllermeier, in: In Proceedings IPMU-98 7th International Conference on Information Processing and Management  of Uncertainty in Knowledge-Based Systems, Paris, La Sorbonne, Editions E.D.K., 1998, pp. 1296–1303.

Numerical solutions for fuzzy initial value problems
E. Hüllermeier, in: P. Borne, M. Ksouri, A. El Kamel (Eds.), In Proceedings CESA-98, IMACS Multiconference on Computaional Engineering in Systems Applications, Symposium on Applied Mathematics and Optimization, Nabeul-Hammamet, Tunesia, 1998.

Case-based probality and case-based decision making
E. Hüllermeier, in: L. Gierl, M. Lenz (Eds.), In Proceedings of the 6th German Workshop on Case-Based Reasoning, Berlin, Germany, 1998, pp. 13–22.

Fuzzy dynamics of compartmental systems
E. Hüllermeier, in: H.J. Zimmermann (Ed.), In Proceedings EUFIT-98 6th European Congress on Intelligent Techniques and Soft Computing, Aachen, Germany, 1998.

Reasoning about Systems based on Incomplete and Uncertain Models
E. Hüllermeier, Reasoning about Systems Based on Incomplete and Uncertain Models, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 1997.

Hierarchical  propagation of uncertain constraints
E. Hüllermeier, in: H.J. Zimmermann (Ed.), In Proceedings EUFIT-97 5th European Congress on Intelligent Techniques and Soft Computing, Aachen, Germany, 1997, pp. 953–957.

Approximation of fuzzy functions
E. Hüllermeier, in: A. Grauel, W. Becker, F. Belli (Eds.), In Proceedings 4.Internationaler Workshop Fuzzy-Neuro-Systeme. Soest Germany, 1997, pp. 374–381.

Modellierung und Simulation unsicherer dynamischer Systeme und Anwendungen in der Diagnose
E. Hüllermeier, in: D.P.F. Möller, O. Richter (Eds.), In Proceedings ASIM Fachgruppentagung Soft Computing, 1997.

A new approach to modelling and simulation of uncertain dynamical systems
E. Hüllermeier, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 5 (1997) 117–137.

Approminate probabilistic reasoning with fuzzy constraints
E. Hüllermeier, in: H.J. Zimmermann (Ed.), In Proceedings EUFIT-96 4th European Congress on Intelligent Techniques and Soft Computing, Aachen, Germany, 1996.

A fuzzy simulation method
E. Hüllermeier, in: P.G. Anderson, K. Warwick (Eds.), International Symposium on Soft Computing, Reading U.K., ICSC Academic Press, 1996, pp. 0–6.

Hierarchical constraint propagation based on interval arithmetic
E. Hüllermeier, in: In Proceedings Interval-96 International Conference on Interval Methods and Computer Aided Proofs in Science and Engineering, Würzburg, 1996, pp. 54–55.

Towards modelling of fuzzy functions
E. Hüllermeier, in: H.J. Zimmermann (Ed.), In Proceedings EUFIT-95 3rd European Congress on Intelligent Techniques and Soft Computing, Aachen, Germany, 1995, pp. 150–154.

Rule-based modelling in fuzzy simulation
E. Hüllermeier, in: In Proceedings ISFL-95 International Symposium on Logic, Zürich, ICSC Academic Press, 1995, pp. –.

Fuzzy polynomial and spline interpolation
E. Hüllermeier, in: In Proceedings IMACS Symposium on Systems Analysis and Simulation, Berlin, Gordon and Breach Publishers, 1995, pp. 401–404.

Konjunkturzyklen aufgrund von Investitionsinterdependenzen:  Simulation und empirische Überprüfung
E. Hüllermeier, in: J. Flemmig (Ed.), Moderne Makroökonomie-Eine Kritische Bestandsaufnahme, Metropolis, 1995, pp. 413–454.

Approximate solution of a linear programming problem using a modified perceptron-algorithm.
E. Hüllermeier, in: H.J. Zimmermann (Ed.), In Proceedings EUFIT-94 2nd European Congress on Intelligent Techniques and Soft Computing, Aachen, Germany, 1994, pp. 195–199.