A qualitative physics based on confluences
Artificial Intelligence - Special volume on qualitative reasoning about physical systems
Artificial Intelligence - Special volume on qualitative reasoning about physical systems
Artificial intelligence and tutoring systems: computational and cognitive approaches to the communication of knowledge
Shifting ontological perspectives in reasoning about physical systems
AAAI'90 Proceedings of the eighth National conference on Artificial intelligence - Volume 1
Student modelling with confluences
AAAI'91 Proceedings of the ninth National conference on Artificial intelligence - Volume 1
Generating explanations of device behavior using compositional modeling and causal ordering
AAAI'93 Proceedings of the eleventh national conference on Artificial intelligence
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In this paper, we present QUALEX, a system and algorithm for generating first-order qualitative causal graphs for tutorial purposes based on de Kleer and Brown's qualitative modeling theory. QUALEX is embedded in a constructive simulation environment called Heart Works which teaches hydraulics principles about the cardio-vascular system to first year college biology students.