The OWL reasoner evaluation (ORE) workshop brings together reasoner developers and ontology engineers in order to discuss and evaluate the performance and robustness of modern reasoners on OWL ontologies. In addition to paper submissions, the workshop featured a live and offline reasoner competition where standard reasoning tasks were tested: classification, consistency, and concept satisfiability. The reasoner competition is performed on several large corpora of reallife OWL ontologies

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... from the web, as well as user-submitted ontologies which were found to be challenging for reasoners. Overall there were 14 reasoner submissions for the competition, some of which dedicated to certain subsets or profiles of OWL 2, and implementing different algorithms and optimisations. In this report, we give an overview of the competition methodology and present a summary of its results, divided into the respective categories based on OWL 2 profiles and test corpora.