Parallel universes to improve the diagnosis of cardiac arrhythmias

Authors Elisa Fromont, René Quiniou, Marie-Odile Cordier

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Elisa Fromont
René Quiniou
Marie-Odile Cordier

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Elisa Fromont, René Quiniou, and Marie-Odile Cordier. Parallel universes to improve the diagnosis of cardiac arrhythmias. In Parallel Universes and Local Patterns. Dagstuhl Seminar Proceedings, Volume 7181, pp. 1-4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


We are interested in using parallel universes to learn interpretable models that can be subsequently used to automatically diagnose cardiac arrythmias. In our study, parallel universes are heterogeneous sources such as electrocardiograms, blood pressure measurements, phonocardiograms etc. that give relevant information about the cardiac state of a patient. To learn interpretable rules, we use an inductive logic programming (ILP) method on a symbolic version of our data. Aggregating the symbolic data coming from all the sources before learning, increases both the number of possible relations that can be learned and the richness of the language. We propose a two-step strategy to deal with these dimensionality problems when using ILP. First, rules are learned independently in each universe. Second, the learned rules are used to bias a new learning process from the aggregated data. The results show that this method is much more efficient than learning directly from the aggregated data. Furthermore the good accuracy results confirm the benefits of using multiple sources when trying to improve the diagnosis of cardiac arrythmias.
  • Parallel universes
  • inductive logic programming
  • medical application
  • declarative bias


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