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
Qualitative system identification: deriving structure from behavior
Artificial Intelligence
Learning Qualitative Models of Dynamic Systems
Machine Learning - special issue on inductive logic programming
Artificial Intelligence Review - Special issue on lazy learning
The Mathematical Bases for Qualitative Reasoning
IEEE Expert: Intelligent Systems and Their Applications
Induction of Qualitative Trees
EMCL '01 Proceedings of the 12th European Conference on Machine Learning
AI Magazine
Qualitative system identification from imperfect data
Journal of Artificial Intelligence Research
Automatic abduction of qualitative models
AAAI'92 Proceedings of the tenth national conference on Artificial intelligence
Learning qualitative models from numerical data
Artificial Intelligence
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Qualitative models are predictive models that describe how changes in values of input variables affect the output variable in qualitative terms, e.g. increasing or decreasing. We describe Padé, a new method for qualitative learning which estimates partial derivatives of the target function from training data and uses them to induce qualitative models of the target function. We formulated three methods for computation of derivatives, all based on using linear regression on local neighbourhoods. The methods were empirically tested on artificial and real-world data. We also provide a case study which shows how the developed methods can be used in practice.