[1] Univ Passau, Res Grp Data Policies, Passau, Germany
[2] Univ Regensburg, Chair Machine Learning & Uncertainty Quantificat, Regensburg, Germany
[3] Univ Passau, Chair Internet & Telecommun Business, Passau, Germany
[4] Univ Regensburg, Chair Machine Learning & Uncertainty Quantificat, D-93040 Regensburg, Germany