@article{usingfourdifferentonlinemediasourcesto,
  title = {Using four different online media sources to forecast the crude oil price},
  author = {M. Elshendy and A. Fronzetti Colladon and E. Battistoni and P. A. Gloor},
  year = {2021},
  eprint = {2105.09154},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.09154v1},
}