@misc {IOPORT.70644654,
    author       = {Zhang, Xiangmin and Cole, Michael J. and Belkin, Nicholas J.},
    title        = {Predicting users' domain knowledge from search behaviors},
    howpublished = {SIGIR, 1225-1226 (2011).},
    year         = {2011},
    doi          = {10.1145/2009916.2010131},
    identifier   = {70644654},
}