Reusable learning objects: a survey of LOM-based repositories. - Filip Neven; Erik Duval (ACM Multimedia, 2002)

Towards Interoperable Learning Object Repositories: The Ariadne Experience. - Jehad Najjar; Erik Duval; Stefaan Ternier; Filip Neven (ICWI, 2003)

Web Services for Learning Object Repositories: a Case Study - the ARIADNE Knowledge Pool System. - Stefaan Ternier; Filip Neven; Erik Duval; Maciej Macowicz; Norbert Ebel (WWW (Posters), 2003)