Craig Macdonald Iadh Ounis Vassilis Plachouras Ian Ruthven Ryen W. White Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings 4956 2008 978-3-540-78645-0 ECIR Lecture Notes in Computer Science Springer db/conf/ecir/ecir2008.html