Dec 12, 2011 Preprint of my WSDM paper, 'Adding Semantics to Microblog Posts' available now Nov 23, 2011 A Framework for Unsupervised Spam Detection in Social Networking Sites Nov 23, 2011 Adaptive Temporal Query Modeling Oct 12, 2011 Hello world! Sep 01, 2011 Wij-woorden op websites: Zoekmachines voor geesteswetenschappers Jul 22, 2011 Women's views on consent, counseling and confidentiality in Pmtct: a mixed-methods study in four African countries Jul 20, 2011 People searching for people: analysis of a people search engine log Jun 20, 2011 Online Religious Studies Jun 20, 2011 Classifying Queries Submitted to a Vertical Search Engine May 20, 2011 Dir 2011: the eleventh Dutch-Belgian information retrieval workshop Apr 02, 2011 Mapping queries to the Linking Open Data cloud: A case study using DBpedia Mar 20, 2011 Result diversification based on query-specific cluster ranking Jan 20, 2011 The University of Amsterdam at Trec 2010: Session, Entity, and Relevance Feedback Jan 20, 2011 Dir 2011 - Dutch-Belgian Information Retrieval Workshop Jan 01, 2011 Statistical Language Models for Information Access: A Practical Guide