P. Heymann, D. Ramage, und H. Garcia-Molina. SIGIR '08: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval, Seite 531--538. New York, NY, USA, ACM, (2008)
P. Heymann, G. Koutrika, und H. Garcia-Molina. WSDM '08: Proceedings of the international conference on Web search and web data mining, Seite 195--206. New York, NY, USA, ACM, (2008)
S. Chen, und J. Goodman. Proceedings of the 34th annual meeting on Association for Computational Linguistics, Seite 310--318. Morristown, NJ, USA, Association for Computational Linguistics, (1996)