@inProceedings{kamp:appr03,
   author =    {Jaap Kamps and Christof Monz and Maarten de Rijke 
                and B{\"o}rkur Sigurbj{\"o}rnsson},
   booktitle = {Proceedings TREC 2003},
   title =     {Approaches to Robust and Web Retrieval},
   year =      2003,
   pages =     {594--600},
}