backend/data/retrieval_config.json

{
  "embed_model": "BAAI/bge-small-en-v1.5",
  "chunk_size": 300,
  "chunk_overlap": 60,
  "top_k_text": 6,
  "top_k_tables": 4,
  "top_k_visual": 3,
  "metric_match_weight": 1.0,
  "section_heading_boost": 3.0,
  "caption_boost": 2.0,
  "term_overlap_weight": 0.3,
  "min_confidence_threshold": 0.583,
  "ollama_temperature": 0.05,
  "ollama_num_predict": 2048,
  "generation_grounding": true,
  "reject_below_threshold": true,
  "last_calibrated": "2026-06-14T08:38:00Z",
  "calibrated_on_doc": "emiratesnbd_investor_presentation_2026_q1"
}