Improving Recommendation Lists Through Topic Diversification. CaiNicolas Ziegler, Sean M. McNee, Joseph A. Konstan, Georg Lausen WWW '05 報告人 : 謝順宏. Outline. Introduction On collaborative filtering Evaluation metrics Topic diversification Empirical analysis Related work Conclusion.
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Improving Recommendation Lists ThroughTopic Diversification
CaiNicolas Ziegler, Sean M. McNee,Joseph A. Konstan, Georg Lausen
for each user,
Two major steps:
“Law of Diminishing Marginal Returns”
exerts on the eventual overall output.