@inproceedings{discoursecomplementslexicalsemanticsfor,
  title = {Discourse Complements Lexical Semantics for Non-factoid Answer Reranking},
  author = {Peter Jansen and Mihai Surdeanu and Peter Clark},
  year = {2014},
  booktitle = {ACL 2014 6},
  url = {https://aclanthology.org/P14-1092},
}