zilliztech / VectorDBBench

A Benchmark Tool for VectorDB
MIT License
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Add a new metric - NDCG (normalized discounted cumulative gain) #255

Open alwayslove2013 opened 6 months ago

alwayslove2013 commented 6 months ago

Normalized discounted cumulative gain is a measure of ranking quality. ML teams often use NDCG to evaluate the performance of a search engine, recommendation, or other information retrieval system.

https://en.wikipedia.org/wiki/Discounted_cumulative_gain