@article{
    ukkonen10approximate,
    author = "Ukkonen, Antti",
    title = "Approximate Top-k Retrieval from Hidden Relations",
    ee = "http://arxiv.org/abs/1008.5057",
    journal = "CoRR",
    corerank = "NA",
    volume = "abs/1008.5057",
    flags = "ALGODAN HIIT",
    year = "2010",
    unitcode = "T3060=99,U9014=1",
    impactfactor = "D4"
}