@article{macavaney:irj2019-car,
  author = {MacAvaney, Sean and Yates, Andrew and Cohan, Arman and Soldaini, Luca and Hui, Kai and Goharian, Nazli and Frieder, Ophir},
  title = {Overcoming Low-Utility Facets for Complex Answer Retrieval},
  year = {2019},
  url = {https://link.springer.com/article/10.1007/s10791-018-9343-0},
  doi = {10.1007/s10791-018-9343-0},
  issue = {3-4},
  journal = {Information Retrieval Journal},
  pages = {395--418},
  volume = {22}
}