@INPROCEEDINGS{stein:2013m,
        AUTHOR             = {Matthias Hagen and Michael V{\"o}lske and Jakob Gomoll and Marie Bornemann and Lene Ganschow and Florian Kneist and Abdul Hamid Sabri and Benno Stein},
        BOOKTITLE          = {22nd International Text Retrieval Conference (TREC 13)},
        EDITOR             = {{Ellen M.} Voorhees and {Lori P.} Buckland},
        MONTH              = nov,
        PUBLISHER          = {National Institute of Standards and Technology (NIST)},
        NUMBER             = {SP 500-302},
        SERIES             = {NIST Special Publication},
        TITLE              = {{Webis at TREC 2013 Sessions and Web Track}},
        URL                = {http://trec.nist.gov/pubs/trec22/t22.proceedings.html},
        YEAR               = {2013}
}