Opinion Learning from Medical Forums Tanveer Ali author Marina Sokolova author David Schramm author Diana Inkpen author 2013-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing RANLP 2013 Ruslan Mitkov editor Galia Angelova editor Kalina Bontcheva editor INCOMA Ltd. Shoumen, BULGARIA Hissar, Bulgaria conference publication ali-etal-2013-opinion https://aclanthology.org/R13-1003/ 2013-09 18 24