Concept归一化折损累计增益@5
nDCG@5
A ranking-sensitive metric that accounts for the relevance grades and positional discounting of the top five results, measuring overall ranking quality.
Timeline (last 90 days)
Oct 19
nDCG@5 takes into account the relevance grades and position discounting of the top 5 results, and normalizes by dividing by the ideal ranking score.
Unverified50%
Oct 19
The gate uses only recall@5 as a hard threshold, with MRR and nDCG@5 as observational metrics, to avoid ranking fluctuations causing unstable builds.
Unverified50%
All Facts (2)
Unverified
nDCG@5 takes into account the relevance grades and position discounting of the top 5 results, and normalizes by dividing by the ideal ranking score.
50%UnverifiedThe gate uses only recall@5 as a hard threshold, with MRR and nDCG@5 as observational metrics, to avoid ranking fluctuations causing unstable builds.
50%