Topic-focus and Salience Eva Hajičová author Petr Sgall author 2001-07 text Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Toulouse, France conference publication hajicova-sgall-2001-topic 10.3115/1073012.1073048 https://aclanthology.org/P01-1036/ 2001-07 276 281