Semantic Linking - a Context-Based Approach to Interacitvity in Hypermedia. - Michael Engelhardt; Thomas C. Schmidt (Berliner XML Tage, 2003)

Educational Content Management - A Cellular Approach - Michael Engelhardt; Arne Hildebrand; Andreas Kárpáti; Torsten Rack; Thomas C. Schmidt (CoRR, 2004)

Semantic Linking - a Context-Based Approach to Interactivity in Hypermedia - Michael Engelhardt; Thomas C. Schmidt (CoRR, 2004)

Hypermedia Learning Objects System - On the Way to a Semantic Educational Web - Michael Engelhardt; Andreas Kárpáti; Torsten Rack; Ivette Schmidt; Thomas C. Schmidt (CoRR, 2004)

Ontological Evaluation as an Automated Guide to Educational Content Augmentation. - Michael Engelhardt; Arne Hildebrand; Dagmar Lange; Thomas C. Schmidt (Berliner XML Tage, 2005)

Automatisierte Augmentierung von Lernobjekten in einer semantischen Interpretationsschicht der HyLOS Plattform. - Michael Engelhardt; Arne Hildebrand; Thomas C. Schmidt (DeLFI, 2005)

From a Link Semantic to Semantic Links - Building Context in Educational Hypermedia - Thomas C. Schmidt; Arne Hildebrand; Michael Engelhardt; Dagmar Lange (CoRR, 2009)