2004'

@proceedings{DBLP:conf/sigir/2004,
  editor    = {Mark Sanderson and
               Kalervo J{\"a}rvelin and
               James Allan and
               Peter Bruza},
  title     = {SIGIR 2004: Proceedings of the 27th Annual International
               ACM SIGIR Conference on Research and Development in Information
               Retrieval, Sheffield, UK, July 25-29, 2004},
  booktitle = {SIGIR},
  publisher = {ACM},
  year      = {2004},
  isbn      = {1-58113-881-4},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}