ISBN-13: 9783642289965 / Angielski / Miękka / 2012 / 300 str.
ISBN-13: 9783642289965 / Angielski / Miękka / 2012 / 300 str.
Constitutes the proceedings of the 34th European Conference on IR Research, ECIR 2012, held in Barcelona, Spain, in April 2012.