Aldo Gangemi Jérôme Euzenat Knowledge Engineering: Practice and Patterns, 16th International Conference, EKAW 2008, Acitrezza, Italy, September 29 - October 2, 2008. Proceedings 5268 2008 978-3-540-87695-3 Lecture Notes in Computer Science Springer EKAW db/conf/ekaw/ekaw2008.html