Researcher

Jean-Gabriel Ganascia

Also known as Gabriel Naëj

Jean-Gabriel Ganascia is a computer scientist known for symbolic machine learning and for books on artificial intelligence. He defended doctoral dissertations at Paris-Sud University in 1983 and 1987 and became a professor at Pierre and Marie Curie University in 1988. In 1991 he introduced a measure of rule interestingness that data-mining researchers now call the Ganascia index. He chaired COMETS, the CNRS ethics committee, from 2016 to 2021, and in 2017 he published Le Mythe de la Singularité, an essay against the technological singularity. As of October 2026, he is a professor of computer science at Sorbonne University.

Works
628
Citations
1,752
h-index
22

Publication numbers from OpenAlex, as of 15 October 2026.

Timeline

  1. 1983–1988

    From doctorates to a professorship

    He defends a doctoral dissertation on knowledge-based systems at Paris-Sud University in 1983, and in 1987 he defends a thèse d'État on symbolic machine learning there. In 1988 he becomes a professor of computer science at Pierre and Marie Curie University.

  2. 1991

    The Ganascia index

    In a 1991 paper he introduces a measure of rule interestingness, which data-mining researchers now call the Ganascia index.

  3. 2016–2021

    Chairing the CNRS ethics committee

    From 2016 to 2021 he chairs COMETS, the ethics committee of the CNRS.

  4. 2017

    An essay against the singularity

    In 2017 he publishes Le Mythe de la Singularité, an essay against the technological singularity.

  5. 2019

    A chevalier of the Légion d'honneur

    In 2019 he is made a chevalier of the Légion d'honneur.

  6. 2022

    Servitudes virtuelles

    He publishes Servitudes virtuelles with Éditions du Seuil in 2022. In the book, he argues that intelligent machines have entered everyday life.

  7. 2024

    L'IA expliquée aux humains

    In September 2024 he publishes L'IA expliquée aux humains with Éditions du Seuil.

  8. As of October 2026

    Professor at Sorbonne University

    He is a professor of computer science at Sorbonne University.

Sources and credits

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  1. Jean-Gabriel Ganascia - Wikipedia en.wikipedia.org. Checked 14 October 2026.
  2. Jean-Gabriel Ganascia : les articles rédigés par Jean-Gabriel Ganascia - Polytechnique Insights polytechnique-insights.com. Checked 14 October 2026.
  3. Jean-Gabriel Ganascia – How is Artificial Intelligence Changing Science? howisaichangingscience.eu. Checked 14 October 2026.
  4. « Servitudes virtuelles » - 4 questions à Jean-Gabriel Ganascia - IRIS iris-france.org. Checked 14 October 2026.
  5. Dr. Jean-Gabriel Ganascia | aivancity aivancity.ai. Checked 14 October 2026.