Diachronic Changes in Text Complexity in 20th Century English Language: An NLP Approach Sanja Štajner author Ruslan Mitkov author 2012-05 text Proceedings of the Eighth International Conference on Language Resources and Evaluation (LREC’12) Nicoletta Calzolari editor Khalid Choukri editor Thierry Declerck editor Mehmet Uğur Doğan editor Bente Maegaard editor Joseph Mariani editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association (ELRA) Istanbul, Turkey conference publication stajner-mitkov-2012-diachronic https://aclanthology.org/L12-1172/ 2012-05 1577 1584