@proceedings{nlp4if-2021-nlp,
    title = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.0/"
}
@inproceedings{maronikolakis-etal-2021-identifying,
    title = "Identifying Automatically Generated Headlines using Transformers",
    author = {Maronikolakis, Antonis  and
      Sch{\"u}tze, Hinrich  and
      Stevenson, Mark},
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.1/",
    doi = "10.18653/v1/2021.nlp4if-1.1",
    pages = "1--6"
}
@inproceedings{lemmens-etal-2021-improving,
    title = "Improving Hate Speech Type and Target Detection with Hateful Metaphor Features",
    author = "Lemmens, Jens  and
      Markov, Ilia  and
      Daelemans, Walter",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.2/",
    doi = "10.18653/v1/2021.nlp4if-1.2",
    pages = "7--16"
}
@inproceedings{markov-daelemans-2021-improving,
    title = "Improving Cross-Domain Hate Speech Detection by Reducing the False Positive Rate",
    author = "Markov, Ilia  and
      Daelemans, Walter",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.3/",
    doi = "10.18653/v1/2021.nlp4if-1.3",
    pages = "17--22"
}
@inproceedings{bekoulis-etal-2021-understanding,
    title = "Understanding the Impact of Evidence-Aware Sentence Selection for Fact Checking",
    author = "Bekoulis, Giannis  and
      Papagiannopoulou, Christina  and
      Deligiannis, Nikos",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.4/",
    doi = "10.18653/v1/2021.nlp4if-1.4",
    pages = "23--28"
}
@inproceedings{weld-etal-2021-leveraging,
    title = "Leveraging Community and Author Context to Explain the Performance and Bias of Text-Based Deception Detection Models",
    author = "Weld, Galen  and
      Ayton, Ellyn  and
      Althoff, Tim  and
      Glenski, Maria",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.5/",
    doi = "10.18653/v1/2021.nlp4if-1.5",
    pages = "29--38"
}
@inproceedings{hamalainen-etal-2021-never,
    title = "Never guess what {I} heard... Rumor Detection in {F}innish News: a Dataset and a Baseline",
    author = {H{\"a}m{\"a}l{\"a}inen, Mika  and
      Alnajjar, Khalid  and
      Partanen, Niko  and
      Rueter, Jack},
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.6/",
    doi = "10.18653/v1/2021.nlp4if-1.6",
    pages = "39--44"
}
@inproceedings{kazemi-etal-2021-extractive,
    title = "Extractive and Abstractive Explanations for Fact-Checking and Evaluation of News",
    author = "Kazemi, Ashkan  and
      Li, Zehua  and
      P{\'e}rez-Rosas, Ver{\'o}nica  and
      Mihalcea, Rada",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.7/",
    doi = "10.18653/v1/2021.nlp4if-1.7",
    pages = "45--50"
}
@inproceedings{bose-etal-2021-generalisability,
    title = "Generalisability of Topic Models in Cross-corpora Abusive Language Detection",
    author = "Bose, Tulika  and
      Illina, Irina  and
      Fohr, Dominique",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.8/",
    doi = "10.18653/v1/2021.nlp4if-1.8",
    pages = "51--56"
}
@inproceedings{alhindi-etal-2021-arastance,
    title = "{A}ra{S}tance: A Multi-Country and Multi-Domain Dataset of {A}rabic Stance Detection for Fact Checking",
    author = "Alhindi, Tariq  and
      Alabdulkarim, Amal  and
      Alshehri, Ali  and
      Abdul-Mageed, Muhammad  and
      Nakov, Preslav",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.9/",
    doi = "10.18653/v1/2021.nlp4if-1.9",
    pages = "57--65"
}
@inproceedings{li-goldwasser-2021-mean,
    title = "{MEAN}: Multi-head Entity Aware Attention Networkfor Political Perspective Detection in News Media",
    author = "Li, Chang  and
      Goldwasser, Dan",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.10/",
    doi = "10.18653/v1/2021.nlp4if-1.10",
    pages = "66--75"
}
@inproceedings{zuo-etal-2021-empirical,
    title = "An Empirical Assessment of the Qualitative Aspects of Misinformation in Health News",
    author = "Zuo, Chaoyuan  and
      Zhang, Qi  and
      Banerjee, Ritwik",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.11/",
    doi = "10.18653/v1/2021.nlp4if-1.11",
    pages = "76--81"
}
@inproceedings{shaar-etal-2021-findings,
    title = "Findings of the {NLP}4{IF}-2021 Shared Tasks on Fighting the {COVID}-19 Infodemic and Censorship Detection",
    author = "Shaar, Shaden  and
      Alam, Firoj  and
      Da San Martino, Giovanni  and
      Nikolov, Alex  and
      Zaghouani, Wajdi  and
      Nakov, Preslav  and
      Feldman, Anna",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.12/",
    doi = "10.18653/v1/2021.nlp4if-1.12",
    pages = "82--92"
}
@inproceedings{hussein-etal-2021-damascusteam,
    title = "{D}amascus{T}eam at {NLP}4{IF}2021: Fighting the {A}rabic {COVID}-19 Infodemic on {T}witter Using {A}ra{BERT}",
    author = "Hussein, Ahmad  and
      Ghneim, Nada  and
      Joukhadar, Ammar",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.13/",
    doi = "10.18653/v1/2021.nlp4if-1.13",
    pages = "93--98"
}
@inproceedings{kumar-etal-2021-narnia,
    title = "{NARNIA} at {NLP}4{IF}-2021: Identification of Misinformation in {COVID}-19 Tweets Using {BERT}weet",
    author = "Kumar, Ankit  and
      Jhunjhunwala, Naman  and
      Agarwal, Raksha  and
      Chatterjee, Niladri",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.14/",
    doi = "10.18653/v1/2021.nlp4if-1.14",
    pages = "99--103"
}
@inproceedings{qarqaz-etal-2021-r00,
    title = "R00 at {NLP}4{IF}-2021 Fighting {COVID}-19 Infodemic with Transformers and More Transformers",
    author = "Qarqaz, Ahmed  and
      Abujaber, Dia  and
      Abdullah, Malak",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.15/",
    doi = "10.18653/v1/2021.nlp4if-1.15",
    pages = "104--109"
}
@inproceedings{suhane-kowshik-2021-multi,
    title = "Multi Output Learning using Task Wise Attention for Predicting Binary Properties of Tweets : Shared-Task-On-Fighting the {COVID}-19 Infodemic",
    author = "Suhane, Ayush  and
      Kowshik, Shreyas",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.16/",
    doi = "10.18653/v1/2021.nlp4if-1.16",
    pages = "110--114"
}
@inproceedings{henia-etal-2021-icompass,
    title = "i{C}ompass at {NLP}4{IF}-2021{--}Fighting the {COVID}-19 Infodemic",
    author = "Henia, Wassim  and
      Rjab, Oumayma  and
      Haddad, Hatem  and
      Fourati, Chayma",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.17/",
    doi = "10.18653/v1/2021.nlp4if-1.17",
    pages = "115--118"
}
@inproceedings{tziafas-etal-2021-fighting,
    title = "Fighting the {COVID}-19 Infodemic with a Holistic {BERT} Ensemble",
    author = "Tziafas, Georgios  and
      Kogkalidis, Konstantinos  and
      Caselli, Tommaso",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.18/",
    doi = "10.18653/v1/2021.nlp4if-1.18",
    pages = "119--124"
}
@inproceedings{panda-levitan-2021-detecting,
    title = "Detecting Multilingual {COVID}-19 Misinformation on Social Media via Contextualized Embeddings",
    author = "Panda, Subhadarshi  and
      Levitan, Sarah Ita",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.19/",
    doi = "10.18653/v1/2021.nlp4if-1.19",
    pages = "125--129"
}
@inproceedings{uyangodage-etal-2021-transformers,
    title = "Transformers to Fight the {COVID}-19 Infodemic",
    author = "Uyangodage, Lasitha  and
      Ranasinghe, Tharindu  and
      Hettiarachchi, Hansi",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.20/",
    doi = "10.18653/v1/2021.nlp4if-1.20",
    pages = "130--135"
}
@inproceedings{ahmed-kumar-m-2021-classification,
    title = "Classification of Censored Tweets in {C}hinese Language using {XLN}et",
    author = "Ahmed, Shaikh Sahil  and
      Kumar M., Anand",
    editor = "Feldman, Anna  and
      Da San Martino, Giovanni  and
      Leberknight, Chris  and
      Nakov, Preslav",
    booktitle = "Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-opsupmap-display/2021.nlp4if-1.21/",
    doi = "10.18653/v1/2021.nlp4if-1.21",
    pages = "136--139"
}