Researcher

Hannu Toivonen

Hannu Toivonen is a computer scientist and AI researcher whose career spans data mining, computational creativity and public AI education. He earned a computer science PhD at the University of Helsinki in 1996, coauthored Fast Discovery of Association Rules, and became a professor there in 2002 before leading its computer science department and serving as vice-dean. Since 2010, his research has included computational creativity; in 2019 he received the decoration of First Class Knight of the Order of the White Rose of Finland, and in 2023 he published an AI book for the public. He served as an International Francqui Professor in 2025, coauthored a humor study of language models in 2026, and is a Full Professor of Computer Science at the University of Helsinki.

Timeline

  1. 1996

    A PhD and association rules

    He earns a computer science PhD at the University of Helsinki in 1996. In 1996, he coauthors Fast Discovery of Association Rules with Rakesh Agrawal, Heikki Mannila, Ramakrishnan Srikant and A. Inkeri Verkamo.

  2. 2002–2009

    Professor and department head

    He becomes a Full Professor in the Department of Computer Science at the University of Helsinki in 2002. He heads the department from 2007 to 2009.

  3. Since 2010

    Computational creativity

    He works in artificial intelligence and data science and adds computational creativity to his research in 2010.

  4. 2018–2021

    Vice-Dean and a White Rose honor

    He serves as Vice-Dean for Academic Affairs of the Faculty of Science from 2018 to 2021. In 2019, Finland awards him the decoration of First Class Knight of the Order of the White Rose of Finland.

  5. 2023

    An AI book for the public

    In 2023, he publishes Mitä tekoäly on – 100 kysymystä ja vastausta, a popular-science book that explains AI to the public.

  6. 2025

    Francqui Professor in Belgium

    He visits VUB and four other Belgian universities as an International Francqui Professor in 2025.

  7. 2026

    A benchmark for AI humor

    In 2026, he chairs the programme committee of the International Conference on Computational Creativity and coauthors Cards Against LLMs. Its five frontier language models and human players play the same Cards Against Humanity games; the models select the funniest response from ten candidate cards across 9,894 rounds.

  8. Since 2002

    Professor at Helsinki

    In 2002, he becomes Full Professor in the Department of Computer Science at the University of Helsinki and continues in that role.

Sources and credits

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  1. Hannu Toivonen | Computational Creativity and Data Mining | University of Helsinki helsinki.fi. Checked 19 October 2026.
  2. Fast Discovery of Association Rules research.google. Checked 19 October 2026.
  3. Hannu TT Toivonen - University of Helsinki Research Portal researchportal.helsinki.fi. Checked 19 October 2026.
  4. Hannu Toivonen - The Brussels Institute for Advanced Studies brias.be. Checked 19 October 2026.
  5. Year 2019 awards ceremony at the Christmas Coffee | Faculty of Science | University of Helsinki helsinki.fi. Checked 19 October 2026.
  6. Hannu Toivonen releases a popular science book on artificial intelligence | University of Helsinki helsinki.fi. Checked 19 October 2026.
  7. International Francqui Professor (Leerstoel) 2024-2025: toegekend aan Prof. Dr. Hannu Tauno Tapani Toivonen (University of Helsinki) tijdens academiejaar 2024-2025 researchportal.vub.be. Checked 19 October 2026.
  8. Hannu Toivonen - ACL Anthology aclanthology.org. Checked 19 October 2026.