Contradiction-focused qualitative evaluation of textual entailment Bernardo Magnini author Elena Cabrio author 2010-07 text Proceedings of the Workshop on Negation and Speculation in Natural Language Processing Roser Morante editor Caroline Sporleder editor University of Antwerp Uppsala, Sweden conference publication magnini-cabrio-2010-contradiction https://aclanthology.org/W10-3114/ 2010-07 86 94