Using Bag-of-Concepts to Improve the Performance of Support Vector Machines in Text Categorization Magnus Sahlgren author Rickard Cöster author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication sahlgren-coster-2004-using https://aclanthology.org/C04-1070/ 2004-aug 23–aug 27 487 493