Hybrid RAG Sparse Boost: BM25 + SPLADE at sparse_boost=1.2 for 18.5% MRR Gain.

Shared entities / Same source / What happened next / Tension

10 actionable skills from today's findings:

Both cover BM25, Vector; cite the same source (VectorHub); picks up the BM25 thread on 2026-03-22.

Shared entity: BM25 / Shared topic / What happened next / Tension

Fuse dense + BM25 with reciprocal rank fusion before reranking.

Both cover BM25; overlapping topics (bm25, dense); picks up the BM25 thread on 2026-06-08.

Shared entity: BM25 / Shared topic / What happened next

BM25 Outscores Dense Retrieval Past 10M Tokens

Both cover BM25; overlapping topics (bm25, corpora, dense); picks up the BM25 thread on 2026-07-31.

Shared entities / What happened next

10 Skills of the Day

Both cover BM25, Vector; picks up the BM25 thread on 2026-05-20.

Shared topic / Tension

Embedding retrieval gains flatten out at 768 dimensions

Overlapping topics (bm25, dense, exact, gain, hybrid); pushes against this story (against).

Shared entity: BM25 / Shared topic / What happened next

Measure your retriever's precision before wiring it into a coding agent.

Both cover BM25; overlapping topics (bm25, free); picks up the BM25 thread on 2026-08-07.

Fix retrieval before you touch the prompt.

Both cover BM25; overlapping topics (exact, hybrid); picks up the BM25 thread on 2026-07-08.

Bolt ColBERT late-interaction reranking onto a cheap first-stage retriever.

Both cover BM25; overlapping topics (bm25, dense); picks up the BM25 thread on 2026-06-24.