DL-Learner is a framework to perform machine learning rich semantic background knowledge (usually in description logics, hence the "DL" in its name). Please check the website for details and examples. Post to the mailing list if help is needed.
Documentation for DL-Learner:
DL-Learner is Open Source and licensed under the GNU General Public License 3. (Copyright (c) 2007-2019, Jens Lehmann).
DL-Learner uses several other libraries. An incomplete list is as follows:
Usage of DL-Learner in other tools: