Clustering by usage: higher order co-occurrences of learning objects. - Katja Niemann; Hans-Christian Schmitz; Uwe Kirschenmann; Martin Wolpers; Anna Schmidt; Tim Krones (LAK, 2012)

Converting Medieval Documents into a Searchable Database. - Caroline Sporleder; Susanne Fertmann; Tim Krones; Robert Kolatzek; Isolde Teufel (DH, 2014)