CFS – Conditional Field Subtraction
CFS selects relevant candidates by penalizing regions already covered by previous picks. Results on retrieval ranking: baseline cosine top-K: NDCG@10 0.5123, Recall@10 0.6924 mem0 additive fusion: NDCG@10 0.4903, Recall@10 0.6625 rrf(cosine, BM2…