T. Tran, N. Tran, A. Teka Hadgu, and R. Jäschke. Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing (EMNLP), Association for Computational Linguistics, (September 2015)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proc. Workshop on Applications of Semantic Technologies, Informatik 2006, P-94, Dresden, (October 2006)