Atomic: an open-source software platform for multi-level corpus annotation. - Stephan Druskat; Lennart Bierkandt; Volker Gast; Christoph Rzymski; Florian Zipser (KONVENS, 2014)

Enriching TimeBank: Towards a more precise annotation of temporal relations in a text. - Volker Gast; Lennart Bierkandt; Stephan Druskat; Christoph Rzymski (LREC, 2016)