1. Ko, J.W., Si, L., Eric, N.: A Probabilistic Graphical Model for Joing Answer Ranking in Question Answering. In: The 30th annual international ACM SIGIR conference, pp. 343–350. ACM Press, New York (2007)
2. Jeon, J.W., Croft, W.B., et al.: A framework to predict the quality of answers with non-textual features. In: The 29th annual international ACM SIGIR conference, pp. 228–235. ACM Press, New York (2006)
3. Su, Q., Pavlov, D., Chow, J.-H., Baker, W.C.: Internet-scale collection of human-reviewed data. In: The 16th international conference on WWW conference, pp. 231–240. ACM Press, New York (2007)
4. Agichtein, E., Castillo, C., Donato, D.: Finding High-Quality Content in Social Media. In: Web Search and Data Mining (WSDM), pp. 183–194. ACM Press, Stanford (2008)
5. Cruchet, S., Gaudinat, A., Rindflesch, T., Boyer, C.: What about trust in the Question Answering world? In: AMIA 2009 Annual Symposium (2009)