@inproceedings{
    afratietal04,
    author = "Afrati, Foto and Gionis, Aristides and Mannila, Heikki",
    title = "Approximating a collection of frequent sets",
    booktitle = "10th International Conference on Knowledge Discovery and Data Mining (KDD 2004)",
    responsibleauthor = "Heikki Mannila",
    flags = "intkkjulk ALGODAN",
    year = "2004",
    impactfactor = "D3",
    pages = "12-19"
}