T. Bobic, and R. Klinger. Research in Computing Science, (2013)Proceedings of the Conference on Intelligent Text Processing and Computational Linguistics.
P. Thomas, I. Solt, R. Klinger, and U. Leser. Proceedings of Workshop on Robust Unsupervised and Semisupervised Methods in Natural Language Processing, page 25-32. Hissar, Bulgaria, (September 2011)