E. Yeh, D. Ramage, C. Manning, E. Agirre, and A. Soroa. Proceedings of the 2009 Workshop on Graph-based Methods for Natural Language Processing, page 41--49. Stroudsburg, PA, USA, Association for Computational Linguistics, (2009)
L. Backstrom, and J. Leskovec. Proceedings of the fourth ACM international conference on Web search and data mining, page 635--644. New York, NY, USA, ACM, (2011)
P. Klügl, M. Toepfer, F. Lemmerich, A. Hotho, and F. Puppe. Proceedings of 1st International Conference on Pattern Recognition Applications and Methods ICPRAM, page 240-248. Vilamoura, Algarve, Portugal, SciTePress, (2012)
I. Konstas, V. Stathopoulos, and J. Jose. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval, page 195--202. New York, NY, USA, ACM, (2009)