Ammon, ChristianSpilke, JoachimWenkel, K.-O.Wagner, P.Morgenstern, M.Luzi, K.Eisermann, P.2019-08-262019-08-2620063-88579-172-2https://dl.gi.de/handle/20.500.12116/24688Decision Support Systems, here in dairy cows, ask for certain database requirements. This article shows some of the problems that occurred while working with data from four different dairy farms as well as shows methods and approaches used by the authors for further processing of that data.deText/Conference Paper1617-5468