@inproceedings{storylinesforstructuringmassivestreamsof,
  title = {Storylines for structuring massive streams of news},
  author = {Piek Vossen and Tommaso Caselli and Yiota Kontzopoulou},
  year = {2015},
  booktitle = {WS 2015 7},
  url = {https://aclanthology.org/W15-4507},
}