1. S. M. Kywe, T.-A. Hoang, E.-P. Lim, and F. Zhu, "On Recommending Hashtags in Twitter Networks," in The 4th Int. Conference on Social Informatics, 2012.
2. E. Zangerle, W. Gassler, and G. Specht, "Recommending#-tags in twitter," in Proceedings of the Workshop on Semantic Adaptive Social Web, 2011.
3. T. Li, Y. Wu, and Y. Zhang, "Twitter hash tag prediction algorithm," in ICOMP'11 - The 2011 International Conference on Internet Computing, 2011.
4. A. Mazzia and J. Juett, "Suggesting Hashtags on Twitter," tech. rep., Computer Science and Engineering, University of Michigan, 2009.
5. K. Gimpel, N. Schneider, B. O'Connor, D. Das, D. Mills, J. Eisenstein, M. Heilman, D. Yogatama, J. Flanigan, and N. A. Smith, "Part-of-speech tagging for twitter: annotation, features, and experiments," in Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies: short papers - Volume 2, HLT '11, (Stroudsburg, PA, USA), pp. 42--47, Association for Computational Linguistics, 2011.