R. Speck, und A. Ngonga Ngomo. The Semantic Web -- ISWC 2014, Volume 8796 von Lecture Notes in Computer Science, Springer International Publishing, (2014)
A. Ngomo, M. Röder, D. Moussallem, R. Usbeck, und R. Speck. Proceedings of the 11th International Conference on Natural Language Generation, Tilburg University, The Netherlands, November 5-8, 2018, Seite 339--349. Association for Computational Linguistics, (2018)