H. Kwak, C. Lee, H. Park, and S. Moon. WWW '10: Proceedings of the 19th international conference on World wide web, page 591--600. New York, NY, USA, ACM, (2010)
N. Hernandez, and B. Grau. SIGDOC '03: Proceedings of the 21st annual international conference on Documentation, page 117--124. New York, NY, USA, ACM, (2003)
T. Olsson. C&\#38;T '09: Proceedings of the fourth international conference on Communities and technologies, page 21--30. New York, NY, USA, ACM, (2009)
P. Ravindra, V. Deshpande, and K. Anyanwu. MDAC '10: Proceedings of the 2010 Workshop on Massive Data Analytics on the Cloud, page 1--6. New York, NY, USA, ACM, (2010)
L. Dey, and S. Haque. AND '09: Proceedings of The Third Workshop on Analytics for Noisy Unstructured Text Data, page 107--114. New York, NY, USA, ACM, (2009)