J. Leskovec, D. Huttenlocher, and J. Kleinberg. Proceedings of the 19th international conference on World wide web, page 641–650. New York, NY, USA, ACM, (2010)
G. Leech. Directions in Corpus Linguistics. Proceedings of the Nobel Symposium 82, volume 65 of Trends in Linguistics. Studies and Monographs, Mouton de Gruyter, Berlin/New York, (1992)
A. Kaltenbrunner, V. Gómez, and V. López. Proceedings of the 5th Latin American Web Congress (LA-WEB 2007), Santiago de Chile, IEEE Computer Society, (2007)
V. Gómez, A. Kaltenbrunner, and V. López. WWW '08: Proceeding of the 17th international conference on World Wide Web, page 645–654. New York, NY, USA, ACM, (2008)