Hempel, R.; Zipper, H. (2015). Systematic Management of Pharmaceuticals in Hospitals and Social Care: The Cooperative Project iMediMan, 49th DGBMT Annual Conference, 16.-18.09.2015, VDE Verlag, Lübeck
Schewel, K.; Möbius, R.; Hempel, R.; Wolf, F. (2011). Demographic Change – Challenges for Personalized Transport Services in Rural Areas, 8th ITS European Congress, 06.-09.06.2011, Lyon/France
Hempel, R. (2015). WikiNavi – Urban route guidance system with manifold mobility options designed for handicapped persons, Posterpräsentation im Rahmen des AAL Forum 2015, 22.-25.09.2015, Ghent, Belgien
Hempel, R. (2014). Gesund Zuhause - IT-Innovationen für die regionale Gesundheitswirtschaft, Gerontologie und Geriatrie Kongress 2014, 24.-27.09.2014 , Halle