@InProceedings{tanaka-kumano-goto:2015:NLP-TEA,
  author    = {Tanaka, Hideki  and  Kumano, Tadashi  and  Goto, Isao},
  title     = {The "News Web Easy'' news service as a resource for teaching and learning Japanese: An assessment of the comprehension difficulty of Japanese sentence-end expressions},
  booktitle = {Proceedings of the 2nd Workshop on Natural Language Processing Techniques for Educational Applications},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  pages     = {73--81},
  url       = {http://www.aclweb.org/anthology/W15-4411}
}