W. Stock, und I. Peters. Joining Research and Practice: Social Computing and Information Science. American Society for Information Science and Technology, Milwaukee, Wisconsin, USA, (2007)
P. Heymann, G. Koutrika, und H. Molina. WSDM '08: Proceedings of the international conference on Web search and web data mining, Seite 195--206. Palo Alto, California, USA, ACM, (2008)