SOAS English-Uzbek RAG Evaluation (Retrieval-Only)
Bilingual English-Uzbek retrieval-evaluation benchmark for culturally grounded RAG systems. 400 rows (200 EN + 200 UZ), balanced across governance, history, institutions, and culture. Retrieval-only: contains questions and source-document IDs, and excludes answer text.
Headline result: targeted Uzbek source curation improved retrieval recall from 39% to 98% (Cohen's d = 2.91).