T. Eiter, K. Wang:
"Forgetting and Conflict Resolving in Disjunctive Logic Programming";
Talk: National Conference on Artificial Intelligence (AAAI), Boston, USA; 2006-07-16 - 2006-07-23; in: "Proceedings 21th National Conference on Artificial Intelligence (AAAI '06), July 16-23, 2006, Boston", AAAI Press, (2006), ISBN: 978-1-57735-281-5; 238 - 243.