The British Computer Society’s Information Retrieval Specialist Group’s European Conference on Information Retrieval (ECIR) is the main European forum for the presentation of new research results in the field of information retrieval. The conference has been running in various forms since 1979. The most recent editions of the conference were held in Rome, Italy (2007); Glasgow, UK (2008); Toulouse, France (2009), Milton Keynes, UK (2010) and Dublin, Ireland (2011). The 34th European Conference on Information Retrieval (ECIR 2012) was held at the Pompeu Fabra University from April 1, 2012 to April 5, 2012 in Barcelona, Spain, chaired by Ricardo Baeza-