Diagnostic reasoning based on structure and behavior
Artificial Intelligence - Special volume on qualitative reasoning about physical systems
Artificial intelligence, simulation & modeling
Artificial intelligence, simulation & modeling
Readings in qualitative reasoning about physical systems
Readings in qualitative reasoning about physical systems
An ontology for model-based reasoning in physiological domains
An ontology for model-based reasoning in physiological domains
Model-based monitoring of dynamic systems
IJCAI'89 Proceedings of the 11th international joint conference on Artificial intelligence - Volume 2
Qualitative modeling as a paradigm for diagnosis and prediction in critical care environments
Artificial Intelligence in Medicine
Guardian: A prototype intelligent agent for intensive-care monitoring
Artificial Intelligence in Medicine
Knowledge and intelligent computing system in medicine
Computers in Biology and Medicine
On the soundness and safety of expert systems
Artificial Intelligence in Medicine
Editorial: Intelligent monitoring and control of dynamic physiological systems
Artificial Intelligence in Medicine
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YAQ is an ontology for model-based reasoning in physiologic domains. YAQ is based on a hybrid algebra of qualitative and numerical values, and is designed to benefit from the rich and ever-changing nature of information available in a critical care monitoring environment. The focus of the project is on diagnosis of clinical conditions, prediction of the effects of therapy, and therapy management assistance. Two models of diagnosis are implemented in YAQ: diagnosis based on associations, and model-based diagnosis. The ontology is applied to the domain of ventilator management in infants with respiratory distress syndrome (RDS). The article describes the diagnostic capabilities of YAQ, illustrates these concepts on examples taken from actual patient records, and reports the results of an evaluation of the diagnostic performance on the RDS/assisted ventilation domain model.