Normalised discounted cumulative gain
Normalised discounted cumulative gain: A ranking metric rewarding relevance and position with logarithmic discount, normalised against the ideal order. It supports graded relevance judgements. Labels, k cutoff and gain function affect comparisons and interpretation. This perspective connects the definition with practical behaviour in artificial intelligence systems.
In italiano: Normalized Discounted Cumulative GainLegge V · Overfitting, bias e collasso dei modelliIt supports graded relevance judgements. Labels, k cutoff and gain function affect comparisons and interpretation.