Saffron: Topic extraction, expert finding and trend analysis from scientific literature, Invited talk at the Scientometrics Workshop 2017, Portoroz, Slovenia
Putting ontologies to work in NLP: The lemon model and its applications, invited talk at Joint Second Workshop on Language and Ontology & Terminology and Knowledge Structures (LangOnto2 + TermiKS), at the 10th edition of the Language Resources and Evaluation Conference, 23rd May 2016, Portorož (Slovenia).
Linghub: Reconciling Heterogeneous Metadata about Language Resources, Invited talk at the Ontology Engineering Group, Polytechnic University of Madrid
Keynote speaker at 5th Meeting of MUMIA project, June 2013
Modelling the ontology-lexicon interface with lemon Invited talk at CLT Seminar, Språkbanken, University of Gothenburg. 28/01/2013
Keynote speaker at workshop on "Standardized Data Categories in ISOcat" at TKE-2010, August 2010.