The following publications are possibly variants of this publication:
- Ontology-based Recommender SystemsStuart E. Middleton, David De Roure, Nigel R. Shadbolt. In Steffen Staab, Rudi Studer, editors, Handbook on Ontologies. International Handbooks on Information Systems, pages 577-498, Springer, 2004.
- A Market-Based Recommender SystemLuc Moreau, Norliza Zaini, Jing Zhou, Nicholas R. Jennings, Yan Zheng Wei, Wendy Hall, David De Roure, Ian Gilchrist, Mark O Dell, Siegfried Reich, Tobias Berka, Claudia Di Napoli. aois 2002: [doi]