Rule-based and machine learning approaches for second language sentence-level readability.

@inProceedings{Pil?n-Ildik?2014-10, title = "Rule-based and machine learning approaches for second language sentence-level readability.", booktitle = "Proceeding of the ACL 2014 9th Workshop on Innovative Use of NLP for Building Educational Applications, Baltimore, june 22-27 2014", author = "Pilán, Ildikó and Volodina, Elena and Johansson, Richard", year = "2014", isbn = "978-1-941643-03-7", url = "http://www.aclweb.org/anthology/W/W14/W14-1821.pdf", pages = "174--184", }