{. Ahmed, {. Sherif, and A. Ngonga Ngomo. 24th International Conference on Applications of Natural Language to Information Systems (NLDB 2019), Springer, (2019)
R. Gusmita, R. Jalota, D. Vollmers, J. Reineke, A. Ngomo, and R. Usbeck. Semantic Systems. The Power of AI and Knowledge Graphs - 15th International
Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019,
Proceedings, page 343--358. (2019)