More than Bag-of-Words: Sentence-based Document Representation for Sentiment Analysis Georgios Paltoglou author Mike Thelwall 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 paltoglou-thelwall-2013-bag https://aclanthology.org/R13-1072/ 2013-09 546 552