The Duine Framework is an extensible software toolkit for multimedia recommendation, written in Java. Developers can use the toolkit to build their own recommendation system.
P. Haase, M. Ehrig, A. Hotho, und B. Schnizler. Proceedings of the AAAI Workshop on Semantic Web Personalization, 2004, Seite 1-12. AAAI Press, (Juli 2004)