@INPROCEEDINGS{cheng21cikm,
  author = {Marco Del Tredici and Gianni Barlacchi and Xiaoyu Shen and Weiwei Cheng and Adri\`{a} de Gispert},
  title = {Question rewriting for open-domain conversational QA: best practices and limitations},
  booktitle = {Proceedings of the 30th ACM Conference on Information and Knowledge Management (CIKM-21)},
  pages = {2974--2978},
  year = {2021},
  address = {Virtual Event, Australia},
  month = {November},
  publisher = {ACM}
}