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My research focuses on search engines and retrieval systems that provide users with intelligent access to multimedia content. I am a senior researcher in the Delft Multimedia Information Retrieval Lab.
My expertise lies in speech and language technologies and how meaning is expressed in human language. Much of my research has concentrated on methods for automatically structuring audio and for indexing audio using speech recognition techniques. Recently, my work has focused increasingly on multimedia in social networks and on human computation, including crowdsourcing.
Time Machine Session: Introduction
as author at IEEE International Conference on Multimedia & Expo (ICME), Melbourne 2012,
MediaEval Multimedia Benchmark Initiative: Looking back and looking forward to year five
as author at Search Computing and Social Media Workshop, Torino 2011,
Introduction to the workshop
as introducer at Search Computing and Social Media Workshop, Torino 2011,
VideoCLEF: evaluation of moving image retrieval
as author at CHORUS Final Conference,
together with: Gareth Jones,