• Deutsche Welle, 28.08.2011, Broadcast: Tomorrow Today, Report: Coming Computers, AI in Daily Life
   
• Future Spoken Dialog Systems: Multimodal, Multilingual, Multiparty, Multitask, Keynote Lecture, thMETAnk Workshop 2010, Berlin, 5 June 2010
   
• The Semantic Product Memory: An Interactive Black Box for Smart Objects, Keynote Lecture, 7th Extended Semantic Web Conference 2010 (eswc10), Heraklion, 02 June 2010
   
• Die semantische Wende, Festvortrag zum Abschluss des Informatikjahrs 2006, Berlin, 18.12.2006