@inproceedings{aflexiblelanguagelearningplatformbased,
  title = {A flexible language learning platform based on language resources and web services},
  author = {Elena Volodina and Ildik{\'o} Pil{\'a}n and Lars Borin and Therese Lindstr{\"o}m Tiedemann},
  year = {2014},
  booktitle = {LREC 2014 5},
  url = {https://aclanthology.org/L14-1684},
}