Datasets

Use UnifiedQuerySource to load Local / MS MARCO / BEIR.

• Local TSV: qid<TAB>query
• Local JSONL: {"qid": "...", "query": "..."}

MS MARCO: - backend=msmarco, source=file, --msmarco-queries-tsv ... - or source=hf, --hf-name ms_marco, --hf-config passage|document, --split dev|train|...

BEIR: - backend=beir, source=beir, --beir-root /path/to/fiqa (expects BEIR layout) - or source=hf, --hf-name beir/fiqa, --split test