Under CopyrightBoley, MarioMarioBoleyGrosskreutz, HenrikHenrikGrosskreutz2022-03-119.9.20102009https://publica.fraunhofer.de/handle/publica/36267610.24406/publica-r-36267610.1007/978-3-642-04180-8_29en005006629Non-redundant subgroup discovery using a closure systemconference paper