Adjective Density as a Text Formality Characteristic for Automatic Text Classification: A Study Based on the British National Corpus Alex Chengyu Fang author Jing Cao author 2009-12 text Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation, Volume 1 Olivia Kwong editor City University of Hong Kong Hong Kong conference publication fang-cao-2009-adjective https://aclanthology.org/Y09-1015/ 2009-12 130 139