I just want to add a news which we have not shared with James yet: our latest release of Rule Learner can also present automatically discovered rules in the PMML format.
Being in real-world production environment for many years, OpenRules Engine has a proven record of high efficiency and scalability. Several years ago some of our customers (a major European bank and a large government agency) assigned teams of people to do stress-testing of our product before they decided to use it instead of commercial counter-parts. The results were really good. Continue reading