Advances in Information Retrieval

th These proceedings contain the refereed papers and posters presented at the 28 Annual European Conference on Information Retrieval (ECIR 2006), which was held at Imperial College London in South Kensington between April 10 and 12, 2006. ECIR is the annual conference of the British Computer Society’s Inf- mation Retrieval Specialist Group. The event started its life as a colloquium in 1978 and wa...