S. Abreu, J. Oetsch, J. Puehrer, D. Seipel, H. Tompits, M. Umeda, A. Wolf (ed.):
"Proceedings of the 19th International Conference on Applications of Declarative Programming and Knowledge Management (INAP 2011) and 25th Workshop on Logic Programming (WLP 2011)";
TU Wien, Wien, 2011, 290 pages.
http://publik.tuwien.ac.at/files/PubDat_201288.pdf