Laroussi Merhbene author Anis Zouaghi author Mounir Zrigui author 2009-09 text Irina Temnikova editor Ivelina Nikolova editor Natalia Konstantinova editor Association for Computational Linguistics Borovets, Bulgaria conference publication merhbene-etal-2009-ambiguous https://aclanthology.org/R09-2009/ 2009-09 45 52