@phdthesis{
    Lagus2000,
    author = "Lagus, Krista",
    school = "Helsinki University of Technology, Laboratory of Computer in Information Science",
    title = "Text Mining with the WEBSOM",
    url = "http://lib.tkk.fi/Diss/2000/isbn9512252600/",
    series = "Acta Polytechnica Scandinavica. Mathematics and Computing Series No. 110",
    year = "2000",
    flags = "",
    address = "Espoo, Finland",
    owner = "MM",
    impactfactor = "G5"
}