A. Esuli, and F. Sebastiani. Proceedings of ACM SIGIR Conference on Information and Knowledge
Management (CIKM-05), page 617-624. Bremen, Germany, (2005)
A. Esuli, and F. Sebastiani. Proceedings of the 45th Annual Meeting of the Association of Computational
Linguistics, page 424--431. Prague, Czech Republic, Association for Computational Linguistics, (June 2007)
S. Argamon, K. Bloom, A. Esuli, and F. Sebastiani. Proceedings of the 3rd Language and Technology Conference (LTC'07), page 369--373. Poznan, Poland, (2007)