citation: @inproceedings{dataset_ar_astd,
      title = "{ASTD}: {A}rabic Sentiment Tweets Dataset",
      author = "Nabil, Mahmoud  and
          Aly, Mohamed  and
          Atiya, Amir",
      booktitle = "Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing",
      month = sep,
      year = "2015",
      address = "Lisbon, Portugal",
      publisher = "Association for Computational Linguistics",
      url = "https://aclanthology.org/D15-1299",
      doi = "10.18653/v1/D15-1299",
      pages = "2515--2519",
  }
  