B. Fetahu, S. Dietze, B. Nunes, M. Casanova, D. Taibi, and W. Nejdl. 23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume, page 261--262. ACM, (2014)
L. Drumond, E. Diaz-Aviles, L. Schmidt-Thieme, and W. Nejdl. Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014, page 191--200. ACM, (2014)