Structuring and modules for knowledge bases: Motivation for a new model
In: Knowledge-Based Systems, Jg. 7 H. 1, S. 49-511994
Simulating the emotion dynamics of a multimodal conversational agent
In: Affective Dialogue Systems - Proceedings of the Tutorial and Research Workshop, ADS 2004, Jg. 3068, S. 154-1652004Virtual humans growing up: from primary toward secondary emotions
In: KI - Künstliche Intelligenz, Jg. 2008 H. 1, S. 23-272008Affective computing with primary and secondary emotions in a virtual human
In: Autonomous Agents and Multi-Agent Systems, Jg. 20 H. 1, S. 32-492010Research problems in mathematics education - III
In: For the learning of mathematics, Jg. 4 H. 3, S. 22-231984Estimation and children's concept of rational number size
In: Estimation and mental computation, Jg. 1986, S. 103-1111986Rational number learning aids: transfer from continuous models to discrete models
In: Focus on learning problems in mathematics, Jg. 10 H. 4, S. 1-181988Construct a sum: a measure of children's understanding of fraction size
In: Journal for research in mathematics education, Jg. 16 H. 2, S. 120-1311985On children's quantitative concept of rational number: construct and estimate the sum
In: Proceedings of the fifth annual meeting: Montréal Sept. 29 - Oct. 1, 1983 = actes de la cinquième rencontre annuelle / PME-NA, North American Chapter of the International Group for the Psychology of Mathematics Education, Jg. vol. 2, S. 272-2791983