A. Andrenucci and E. Sneiders, “Automated question answering: Review of the main approaches,” 3rd International Conf. on Information Technology and Applications, vol.2, pp. 514-519, Sydney, Australia, 2005.
A. Aschenbrenner and A. Rauber, “Mining web collections,” in Web archiving, pp. 153-176, Springer Verlag, Berlin Heidelberg, Germany, 2006.
A. Broder, “A taxonomy of web search,” ACM SIGIR Forum, vol.36, no.2, pp. 3-10, Tampere, Finland, 2002.
C. Kwok, O. Etzioni, and D. Weld, “Scaling question answering to the Web,” 10th International World Wide Web Conf., pp. 150-161, Hong Kong, China, 2001.