Percentile-based rating transformation flattens user rating distributions and improves recommendation ranking performance on four real-world datasets.
ACM Transactions on Information Systems (TOIS) 23, 1 (2005), 103–145
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Flatter is better: Percentile Transformations for Recommender Systems
Percentile-based rating transformation flattens user rating distributions and improves recommendation ranking performance on four real-world datasets.