T. Eiter, G. Ianni, R. Schindlauer, H. Tompits:
"dlvhex: A System for Integrating Multiple Semantics in an Answer-Set Programming Framework";
Talk: WLP 2006, Wien; 2006-02-22 - 2006-02-24; in: "Proceedings 20th Workshop on Logic Programming and Constraint Systems (WLP '06)", M. Fink, H. Tompits, S. Woltran (ed.); (2006), 206 - 210.