Researcher

Paolo Rosso

Paolo Rosso is a full professor at the Universitat Politècnica de València who works on AI for detecting disinformation, hate speech and sexism in social media text, and on author profiling. In 2009, he coauthored the overview of the 1st International Competition on Plagiarism Detection, and from 2013 he helped organise the author-profiling shared tasks at PAN. He became Deputy Steering Committee Chair of the CLEF Association in 2014, chaired the local committee of the EACL conference in Valencia in April 2017, and took on the role of academic supervisor at the SCILA laboratory of HSE University in 2020. A UPV Research Award in November 2022 recognised his paper on identifying misogynistic language on Twitter. He is a member of the Natural Language Engineering Lab at the PRHLT research center and, in 2026, an organizer of the EXIST lab at CLEF on sexism in memes and short videos.

Now at
Polytechnic University of Valencia, CLEF Association and PRHLT Research Center

Timeline

  1. 2009–2010

    Plagiarism detection competitions

    In 2009, he coauthors the overview of the 1st International Competition on Plagiarism Detection for the PAN workshop in San Sebastián, working from the Department of Information Systems and Computation at the Technical University of Valencia. In 2010, he coauthors the overview of the 2nd International Competition on Plagiarism Detection, presented at PAN at CLEF 2010.

  2. 2013–2020

    Author profiling at PAN

    In 2013, the PAN author-profiling task he helps organise asks systems to identify gender and age in English and Spanish social media texts. A 2019 task on bots and gender profiling tests how well systems tell bots from humans on Twitter, and PAN 2020 adds a task on fake news spreaders. He helps organise more than 30 shared tasks across PAN at CLEF and FIRE, SemEval, IberLEF and Evalita.

  3. Since 2014

    CLEF Association deputy chair

    In 2014, he becomes Deputy Steering Committee Chair of the CLEF Association. He also serves as senior chair or track chair at conferences such as SIGIR, ACL, COLING and EMNLP.

  4. April 2017

    Local chair of EACL 2017

    In April 2017, he chairs the local committee of the 15th conference of the European Chapter of the Association for Computational Linguistics (EACL), held at the Palacio de Congresos in Valencia. Members of the PRHLT research center organise the event, which expects about 700 attendees.

  5. 2020

    Academic supervisor at SCILA

    In early 2020, he joins two projects of SCILA, the Laboratory for Social and Cognitive Informatics at HSE University in St Petersburg: EthnoHate, on ethnic hate speech prediction in social media texts, and BeWell, on subjective well-being. In June 2020, he becomes the laboratory's academic supervisor.

  6. November 2022

    A UPV Research Award

    In November 2022, he receives the Excellent Publication award in Engineering and Technology at the first edition of the UPV Research Awards, for the work Automatic identification and classification of misogynistic language on Twitter. He is by then a full professor at the UPV and a researcher at its PRHLT center.

  7. 2024

    Keynote on AI and disinformation

    In 2024, he gives a lecture at the 41st International Conference of the Spanish Society for Applied Linguistics (AESLA) titled AI for the detection and analysis of disinformation, conspiracy theories and critical thinking. He announces a PAN Lab challenge to discriminate between conspiracy narratives and critical thinking.

  8. As of October 2026

    Full professor in Valencia

    He is a full professor at the Universitat Politècnica de València and a member of the Natural Language Engineering Lab at its PRHLT research center. His research interests include fake news and hate speech detection, author profiling and sarcasm detection. In 2026, he is among the organizers of the EXIST lab at CLEF 2026, which focuses on detecting sexist messages in memes and short videos.

Career

  1. Since 2014CLEF AssociationDeputy Steering Committee Chair
  2. Since 2009Polytechnic University of ValenciaResearcher
  3. NowPRHLT Research CenterMember
  4. From 2020HSE UniversityAcademic Supervisor

Sources and credits

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  1. CEUR-WS.org/Vol-502 - 3rd PAN Workshop on Uncovering Plagiarism, Authorship and Social Software Misuse 2009 ceur-ws.org. Checked 22 October 2026.
  2. PAN at CLEF 2010 pan.webis.de. Checked 22 October 2026.
  3. Shared Tasks on Authorship Analysis at PAN 2020 pmc.ncbi.nlm.nih.gov. Checked 22 October 2026.
  4. Paolo Rosso - AESLA 2024 - UPV aesla2024.upv.es. Checked 22 October 2026.
  5. Keynotes - IDEAL 2022 ideal-conf.com. Checked 22 October 2026.
  6. Valencia acoge el mayor encuentro europeo de Lingüística Computacional valenciaplaza.com. Checked 22 October 2026.
  7. SCILA’s academic supervisor — News — Laboratory for Social and Cognitive Informatics — HSE University scila.hse.ru. Checked 22 October 2026.
  8. El investigador Paolo Rosso galardonado en la I edición de los Premios de Investigación UPV | PRHLT Research Center prhlt.upv.es. Checked 22 October 2026.
  9. Paolo Rosso personales.upv.es. Checked 22 October 2026.
  10. EXIST - CLEF 2026 - Conference and Labs of the Evaluation Forum clef2026.clef-initiative.eu. Checked 22 October 2026.