Koschel, ArneHödicke, AlexanderSchaaf, MarcGatziu Grivas, StellaPage, BerndFleischer, Andreas G.Göbel, JohannesWohlgemuth, Volker2019-09-162019-09-162013https://dl.gi.de/handle/20.500.12116/25847We propose an Activity Service as a component in cloud computing. As a particular novelty we base this Activity Service on the well-defined and proven semantics of Active Database Management Systems (ADBMS) to overcome the challenges of developing portable cloud based event processing applications (cf. (Schaaf et al 2013)). As contribution of this paper we provide initial steps of the application of our Cloud-enabled Activity Service to the environmental application domain Smart (energy) Grids.Text/Conference Paper