@inproceedings{constraintbasedquestionansweringwith,
  title = {Constraint-Based Question Answering with Knowledge Graph},
  author = {Junwei Bao and Nan Duan and Zhao Yan and Ming Zhou and Tiejun Zhao},
  year = {2016},
  booktitle = {COLING 2016 12},
  url = {https://aclanthology.org/C16-1236},
}