J. Freyne, S. Anand, I. Guy, and A. Hotho. Proceedings of the fifth ACM conference on Recommender systems, page 383--384. New York, NY, USA, ACM, (2011)
A. Cuzzocrea, and M. Fisichella. Proc. of 1st international workshop on linked web data management (LWDM 2011) in conjunction with the EDBT 2011, Uppsala, Sweden - March 21-25, 2011, (2011)
R. Yu, B. Fetahu, U. Gadiraju, and S. Dietze. Proceedings of the ISWC 2016 Posters & Demonstrations Track co-located with 15th International Semantic Web Conference (ISWC 2016), Kobe, Japan, October 19, 2016., (2016)