EX-12 · The analyzer audit

Difficulty: 🟡 · label difficulty: 2 Stuck? Ask in the clinic thread for EX-12 — one long-running thread per exercise, so the answers accumulate where the next person will look. Submit: post it in Show and Tell titled [solution · EX-12] ..., with your numbers and your interval.

Notebook 04 · ~45 min · Skill: the cheapest silent bug in enterprise search

Find three more tokenizer settings that change what is searchable in this corpus. For each, quantify the recall impact on the affected query class.

Hint: think about case folding, diacritics, stemming, and what happens to v1.2.3, 2024-Q3, and ACME/Northwind.

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