1. Gelfond, M., Leone, N.: Logic programming and knowledge representation - The A-Prolog perspective. Art. Intell. 138(1-2), 3–38 (2002)
2. Brain, M., De Vos, M.: Debugging logic programs under the answer set semantics. In: 3rd International Workshop on Answer Set Programming (ASP 2005). CEUR Workshop Proceedings, pp. 141–152 (2005)
3. Syrjänen, T.: Debugging inconsistent answer set programs. In: Proc. NMR 2006, pp. 77–83 (2006)
4. Gebser, M., Pührer, J., Schaub, T., Tompits, H.: A meta-programming technique for debugging answer-set programs. In: Proc. AAAI 2008, pp. 448–453. AAAI Press (2008)
5. Lecture Notes in Computer Science;R. Caballero,2008