Grabatin, MichaelHommel, WolfgangMetzger, StefanPöhn, DanielaMüller, PaulNeumair, BernhardReiser, HelmutDreo Rodosek, Gabi2017-06-212017-06-212016978-3-88579-651-0enImproving the scalability of identity federations through level of assurance management automationText/Conference Paper1617-5468