Applications of Declarative Programming and Knowledge Management 19th International Conference, INAP 2011, and 25th Workshop on Logic Programming, WLP 2011, Vienna, Austria, September 28-30, 2011, Revised Selected Papers - Tompits, Hans; Abreu, Salvador; Oetsch, Johannes; Pührer, Jörg; Seipel, Dietmar; Umeda, Masanobu; Wolf, Armin (Springer Berlin Heidelberg : Imprint: Springer, 2013)