Hauger, DavidKöck, MirjamBrunkhorst, IngoKrause, DanielSitou, Wassiou2017-11-152017-11-152007http://abis.l3s.uni-hannover.de/images/proceedings/abis2007/abis2007_hauger_koeck.pdfhttps://dl.gi.de/handle/20.500.12116/5042Adaptivity has been an important research topic during the past two decades, especially in the field of e-learning. This paper deals with the question of whether and to what extent adaptivity is actually being used in e-learning systems. It describes the state of the art of adaptivity features and gives an overview on the most frequently used learning management systems (LMSs) as well as on a number of research projects and systems providing adaptivity.enText/Conference Paper