2009'

@proceedings{DBLP:conf/trec/2009,
  editor    = {Ellen M. Voorhees and
               Lori P. Buckland},
  title     = {Proceedings of The Eighteenth Text REtrieval Conference,
               TREC 2009, Gaithersburg, Maryland, USA, November 17-20,
               2009},
  publisher = {National Institute of Standards and Technology (NIST)},
  volume    = {Special Publication 500-278},
  year      = {2009},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}