@book{15052, author = {Macdonald, Craig. and Ounis, Iadh. and SpringerLink (Online service)}, title = {Advances in Information Retrieval}, publisher = {Springer-Verlag Berlin Heidelberg,}, year = {2008.}, series = {Lecture Notes in Computer Science,}, address = {Berlin, Heidelberg :}, url = {http://dx.doi.org/10.1007/978-3-540-78646-7} }