Frontiers of Combining Systems 10th International Symposium, FroCoS 2015, Wroclaw, Poland, September 21-24, 2015, Proceedings Lutz Carsten Heftet / 2015 / Engelsk
KI 2014: Advances in Artificial Intelligence 37th Annual German Conference on AI, Stuttgart, Germany, September 22-26, 2014, Proceedings Lutz Carsten Heftet / 2014 / Engelsk
Logics in Artificial Intelligence 11th European Conference, JELIA 2008, Dresden, Germany, September 28-October 1, 2008. Proceedings Hölldobler, Steffen Heftet / 2008 / Engelsk
