Research · poly

Research notes

(03)

2026 · 09MT metrics: what BLEU, chrF and COMET do not measureA single major accuracy error costs 6.5 chrF; a minor style error costs 2.1. Measuring what MT metrics charge for changing what a text means.machine translation · metrics 2026 · 08What word error rate does not measureWord error rate counts every mistake equally and averages over every speaker — a review of what the field's default metric leaves unmeasured.speech recognition · metrics 2026 · 07Fluent, confident, and wrong: the silent failure in machine translationHow low-resource languages get silently absorbed into better-resourced siblings — and how poly engineers against it.low-resource languages · safety