LExO (Learning Expressive Ontologies) is a tool for transforming natural language definitions into OWL DL axioms.

Publication: Johanna Völker, Pascal Hitzler, Philipp Cimiano. Acquisition of OWL DL Axioms from Lexical Resources. In Enrico Franconi, Michael Kifer, Wolfgang May, Proceedings of the 4th European Semantic Web Conference (ESWC'07), volume 4519 of Lecture Notes in Computer Science, pp. 670-685. Springer, June 2007.

• Development Status: 4 - Beta
• Environment: Console (Text Based)
• Intended Audience: Developers
• License: GNU Lesser General Public License (LGPL)
• Natural Language: English
• Operating System: OS Independent
• Programming Language: Java
• Topic: Knowledge acquisition