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Comments on No. 26 of 110 · Doug Turnbull's Blog · edition of Thursday 29 October 2026

Search golden sets are anything but

Summary

A critique of standard search evaluation argues that golden sets built from BEIR-style judgment lists can mislead teams about real relevance. The author walks through NDCG using ESCI and WANDS examples, showing how a poor ideal ranking can make weak results look acceptable.

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