J. Tang, and J. Zhang. Advances in Knowledge Discovery and Data Mining, volume 5476 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2009)
J. Eisenstein, B. O'Connor, N. Smith, and E. Xing. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, page 1277--1287. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
D. Goyal, and M. Kalra. Proceedings of the International Conference on Signal Propagation and Computer Technology (ICSPCT), page 257--262. IEEE, (July 2014)
E. Alfonesca, and J. Delort. Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics (ECAL) 2012, Avignon, France, (2012)