Researcher

Sebastian Riedel

Sebastian Riedel is a researcher at DeepMind and a professor in natural language processing and machine learning at University College London. He completed a PhD at the University of Edinburgh in 2009 and then worked as a postdoc with Andrew McCallum at UMass Amherst. In 2013 he co-wrote a NAACL paper on relation extraction with matrix factorization and universal schemas. Facebook announced in 2018 that it would acquire Bloomsbury AI, a London startup he co-founded, and in 2019 he led the London site of Facebook AI Research. He co-wrote a 2020 NeurIPS paper on retrieval-augmented generation, and a paper he co-wrote won the Best Short Paper award at EACL in 2021.

Works
224

Publication numbers from OpenAlex, as of 15 October 2026. Citations and h-index are hidden because this OpenAlex record may be incomplete or mix in other authors.

Timeline

  1. 2009

    A PhD from Edinburgh

    He completes a PhD at the University of Edinburgh in 2009, with a thesis on efficient prediction of relational structure.

  2. By 2019

    A postdoc at UMass Amherst

    He works as a postdoc and research scientist with Andrew McCallum at UMass Amherst, and also as a researcher at Tokyo University and DBCLS.

  3. 2013

    Universal schemas for relations

    He co-writes 'Relation Extraction with Matrix Factorization and Universal Schemas' with Limin Yao, Andrew McCallum and Benjamin M. Marlin, published at NAACL in 2013.

  4. July 2018

    Bloomsbury AI joins Facebook

    Facebook announces in July 2018 that it will acquire Bloomsbury AI, a London company that Riedel co-founded.

  5. 2019

    Leading FAIR's London site

    In 2019, he leads the London site of Facebook AI Research while also serving as a professor in natural language processing and machine learning at University College London.

  6. 2020

    A retrieval-augmented generation paper

    He is one of twelve authors of 'Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks', published at NeurIPS 2020.

  7. 2021

    A Best Short Paper at EACL

    A paper he co-writes with Patrick Lewis and Pontus Stenetorp, 'Question and Answer Test-Train Overlap in Open-Domain Question Answering Datasets', wins the Best Short Paper award at EACL 2021.

  8. As of October 2026

    Researcher at DeepMind and UCL

    He is a researcher at DeepMind and a professor at University College London, as a member of the UCL NLP lab.

Sources and credits

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  1. Sebastian Riedel - The Mathematics Genealogy Project mathgenealogy.org. Checked 15 October 2026.
  2. Efficient Prediction of Relational Structure and its Application to Natural Language Processing | UCL NLP nlp.cs.ucl.ac.uk. Checked 15 October 2026.
  3. Sebastian Riedel riedelcastro.github.io. Checked 15 October 2026.
  4. Andrew McCallum People people.cs.umass.edu. Checked 15 October 2026.
  5. School of Computing and Communications Distinguished Seminar: Machine Reading with No Supervision, Tuesday 1 October, 12:30pm - Lancaster University lancaster.ac.uk. Checked 15 October 2026.
  6. Relation Extraction with Matrix Factorization and Universal Schemas - ACL Anthology aclanthology.org. Checked 15 October 2026.
  7. Facebook boosts smart tech with Bloomsbury AI buy | IT Pro itpro.com. Checked 15 October 2026.
  8. Facebook AI leader Sebastian Riedel to deliver keynote at MCubed 2019 theregister.com. Checked 15 October 2026.
  9. Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks proceedings.neurips.cc. Checked 15 October 2026.
  10. Question and Answer Test-Train Overlap in Open-Domain Question Answering Datasets - ACL Anthology aclanthology.org. Checked 15 October 2026.