Communication support for systems engineering - process modelling and animation with APRIL. - Stephan Philippi; Hermann Josef Hill (J. Syst. Softw., 2007)

Semantic-Based Retrieval of Cultural Heritage Multimedia Objects. - Kai Stalmann; Dennis Wegener; Martin Doerr; Hermann Josef Hill; Natalja Friesen (Int. J. Semantic Comput., 2012)