Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
F. Baader, S. Brand, and C. Lutz. International Joint Conference on Artificial Intelligence (IJCAI) 2005, page 364--369. Morgan-Kaufmann Publishers, (2005)
S. Bechhofer, R. Volz, and P. Lord. he Semantic Web -- ISWC 2003: Second International Semantic Web Conference, page 659--675. Sanibel Island, FL, USA, Springer, (2003)
F. Bry, F. Fages, M. Marchiori, and H. Ohlbach. Principles and Practices of Semantic Web Reasoning, volume 05371 of Dagstuhl Seminar Proceedings, Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany, (2005)
A. Doan, J. Madhavan, P. Domingos, and A. Halevy. WWW '02: Proceedings of the 11th international conference on World Wide Web, page 662--673. New York, NY, USA, ACM, (2002)