citation: @Book{dataset_ar_hard,
      author="Elnagar, Ashraf
      and Khalifa, Yasmin S.
      and Einea, Anas",
      title={Hotel Arabic-Reviews Dataset Construction for Sentiment Analysis Applications},
      bookTitle="Intelligent Natural Language Processing: Trends and Applications",
      year="2018",
      publisher="Springer International Publishing",
      address="Cham",
      pages="35--52",
      isbn="978-3-319-67056-0",
      doi="10.1007/978-3-319-67056-0_3",
      url="https://doi.org/10.1007/978-3-319-67056-0_3"
  }
  