Modality Specific Meta Features for Authorship Attribution in Web Forum Posts Thamar Solorio author Sangita Pillay author Sindhu Raghavan author Manuel Montes y Gómez author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication solorio-etal-2011-modality https://aclanthology.org/I11-1018/ 2011-11 156 164