• Automatic summarization of online discussions. Talk at Data Science Northeast Netherlands, 16 February 2017
  • Automatische classificatie van teksten. Tutorial during NOTaS-meeting at the National Archives (In Dutch, view on slideshare)
  • Extractive summarization of discussion forum threads, Talk at University of Groningen, March 2016
  • Leer je digitale klanten kennen: hoe zoeken ze en wat vinden ze? (View on slideshare)
    Talk at “Inspiratiedag digitale klantenkunde”, Archief 2.0, March 2013
  • Automatic classification of political texts.
    Talk at TextKernel, July 2012
  • Search engines for the humanities that go beyond Google.
    Invited talk at the Brainstorm Meeting on e-Humanities, March 2011 (view on slideshare)
  • Search engines beyond Google.
    Talk at the CLS colloquium, December 2010
  • Krijgen we ooit de beschikking over slimme zoektechnologie?.
    Talk at “Kennis in Praktijk” conference, June 2010 (view on slideshare)
  • In Search of the Why.
    Talk in the Humanities Computing Group, University of Groningen, June 2010
  • In Search of the Why.
    Talk in the CLG Seminar, University of Wolverhampton, February 2010
  • Using Structural Information for Improving Why-QA.
    Talk in the DB Colloquium, Twente University, September 2008
  • Improving why-QA: re-ranking answers using syntactic features.
    Talk in the ILPS Seminar, University of Amsterdam, February 2008
  • Paragraph Retrieval for why-question answering.
    Talk in the ILK meeting, University of Tilburg, October 2007
  • Exploring discourse structure for why-QA.
    Talk in the panel on Discourse-structure annotation schemes for text corpora, 10th International Pragmatics Conference, Göteborg, Sweden, July 2007