1. Improving Aggregate Recommendation Diversity Using Ranking-Based Techniques
2. Clustering-based diversity improvement in top-N recommendation
3. Keith Bradley and Barry Smyth. 2001. Improving recommendation diversity. In Proceedings of the twelfth Irish conference on artificial intelligence and cognitive science, Maynooth, Ireland, Vol. 85. Citeseer, 141–152.
4. Derek Bridge and John Paul Kelly. 2006. Ways of Computing Diverse Collaborative Recommendations. In Adaptive Hypermedia and Adaptive Web-Based Systems, Vincent P. Wade, Helen Ashman, and Barry Smyth (Eds.). Springer Berlin Heidelberg, Berlin, Heidelberg, 41–50.
5. Derek Bridge and John Paul Kelly. 2006. Ways of Computing Diverse Collaborative Recommendations. In Adaptive Hypermedia and Adaptive Web-Based Systems, Vincent P. Wade, Helen Ashman, and Barry Smyth (Eds.). Springer Berlin Heidelberg, Berlin, Heidelberg, 41–50.