V. Chaudhri, N. Dinesh, und S. Heymans. In Proc. of 8th International Conference on Formal Ontology in Information Systems (FOIS 2014), (September 2014)
S. Cruanes, S. Heymans, I. Mason, S. Owre, und N. Shankar. Specification, Algebra, and Software: A Festschrift Symposium in Honor of Kokichi Futatsugi (SAS 2014), Kanazawa, Japan, Springer, (2014)
V. Chaudhri, S. Heymans, M. Wessel, und T. Son. Proc. of 6th Workshop on Answer Set Programming and Other Computing Paradigms (ASPOCP), Istanbul, Turkey, (August 2013)
V. Chaudhri, M. Wessel, und S. Heymans. Technical Communications of 29th International Conference on Logic Programming (ICLP), Istanbul, Turkey, (August 2013)
V. Chaudhdri, N. Dinesh, S. Heymans, und M. Wessel. Proc. of 3rd International Workshop on Graph Structures for Knowledge Representation and Reasoning (GKR), Beijing, China, (August 2013)
V. Chaudhri, M. Wessel, und S. Heymans. In KInAR - Knowledge Intensive Automated Reasoning Workshop at CADE-24, the 24th International Conference on Automated Deduction, Lake Placid, New York, USA, (Juni 2013)
N. Yorke-Smith, S. Heymans, und V. Chaudhri. Proceedings of the 12th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2013), Saint-Paul, Minnesota, USA, (Mai 2013)
G. Xiao, T. Eiter, und S. Heymans. Proceedings of Joint Conference of the Sixth Chinese Semantic Web Symposium and the First Chinese Web Science Conference (SWWS 2012), Shenzhen City, China, (November 2012)
S. Heymans, T. Eiter, und G. Xiao. Proc. of 19th European Conference on Artificial Intelligence (ECAI), Volume 215 von Frontiers in Artificial Intelligence and Applications, Seite 35--40. IOS Press, (2010)
S. Heymans, R. Korf, M. Erdmann, J. Pührer, und T. Eiter. Proc. of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, 1, Seite 248--255. (2010)
S. Heymans, T. Eiter, und G. Xiao. Proc. of 19th European Conference on Artificial Intelligence (ECAI), Volume 215 von Frontiers in Artificial Intelligence and Applications, Seite 35--40. IOS Press, (2010)
J. Pührer, S. Heymans, und T. Eiter. Proc. of 7th Extended Semantic Web Conference (ESWC 2010), Volume 6088 von Lecture Notes in Computer Science, Seite 183-197. Springer Berlin / Heidelberg, (2010)