Model-Based Collaborative Filtering Analysis of Student Response Data: Machine-Learning Item Response Theory. - Yoav Bergner; Stefan Dröschler; Gerd Kortemeyer; Saif Rayyan; Daniel T. Seaton; David E. Pritchard (EDM, 2012)

Harvesting latent and usage-based metadata in a course management system to enrich the underlying educational digital library - A case study. - Gerd Kortemeyer; Stefan Dröschler; David E. Pritchard (Int. J. Digit. Libr., 2014)

A user-transaction-based recommendation strategy for an educational digital library. - Gerd Kortemeyer; Stefan Dröschler (Int. J. Digit. Libr., 2021)