@mastersthesis{
    halonenp,
    author = "Halonen, Perttu",
    owner = "OEK",
    school = "Helsinki University of Technology",
    year = "2008",
    address = "Espoo, Finland",
    title = {Tiedonlouhinnan käytt\"o tietoturvan tarkkailussa (Using data mining in information security monitoring)}
}