@inproceedings{enhancedenglishuniversaldependenciesan,
  title = {Enhanced English Universal Dependencies: An Improved Representation for Natural Language Understanding Tasks},
  author = {Sebastian Schuster and Christopher D. Manning},
  year = {2016},
  booktitle = {LREC 2016 5},
  url = {https://aclanthology.org/L16-1376},
}