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e188a613a9
* research: add nightly survey for hybrid-sparse-dense Three-pass research survey selecting hybrid sparse-dense (BM25 + ANN + RRF/RSF) as nightly topic. Covers SOTA, gap analysis vs. ruvector-core, industry comparison (Qdrant, Weaviate, Milvus, Vespa, LanceDB), practical and exotic applications, deep research notes, benchmark methodology, and full reference list. Co-Authored-By: claude-flow <ruv@ruv.net> Claude-Session: https://claude.ai/code/session_01NFp4fjSarGCp2xpqJtqP2Z * feat: add ruvector-hybrid crate with BM25 + ANN + RRF/RSF fusion New standalone crate implementing three hybrid sparse-dense search strategies: ScoreFusion (backward-compat with ruvector-core), RRF (Cormack 2009, k=60, rank-only), and RSF (Weaviate-style per-list min-max + configurable α). BM25 pre-computes TF at index time (O(|q|×P) query) fixing the re-tokenisation-at-query-time bug in ruvector-core (O(N×|d|)). Benchmark: 10K docs × 128-D, 20 topics, 500 queries, k=10. BM25: 77.3% recall@10, 57,174 QPS RSF: 76.6% recall@10, 360 QPS RRF: 50.5% recall@10, 360 QPS Score: 68.8% recall@10, 357 QPS Dense: 7.5% recall@10, 371 QPS No unsafe code. Compiles to WASM. 19 unit tests. Co-Authored-By: claude-flow <ruv@ruv.net> Claude-Session: https://claude.ai/code/session_01NFp4fjSarGCp2xpqJtqP2Z * docs: add ADR-256 for hybrid sparse-dense search (RRF and RSF) Architecture Decision Record for adding Reciprocal Rank Fusion and Relative Score Fusion to RuVector's hybrid search infrastructure. Documents: gap in ruvector-core (global normalisation + re-tokenisation bug), industry comparison, benchmark evidence, three-phase implementation plan, failure modes, security considerations, and migration path. Status: proposed. PoC in crates/ruvector-hybrid. Co-Authored-By: claude-flow <ruv@ruv.net> Claude-Session: https://claude.ai/code/session_01NFp4fjSarGCp2xpqJtqP2Z * docs: add SEO gist for hybrid-sparse-dense research Public technical article covering RRF and RSF hybrid search fusion in Rust. Includes feature comparison table, Mermaid architecture diagram, real benchmark results, comparison with 9 vector databases, 8 practical + 8 exotic applications, deep research notes on BM25 dominance and normalisation theory, usage guide, optimization guide, and roadmap. Co-Authored-By: claude-flow <ruv@ruv.net> Claude-Session: https://claude.ai/code/session_01NFp4fjSarGCp2xpqJtqP2Z * fix(ruvector-hybrid): clippy + fmt for CI - centres[t] loop index → iter().enumerate() - percentile cast: drop .max(0) (usize is never negative, clippy::unnecessary_min_or_max) - percentile cast: #[allow] remaining cast lints (intentional saturating cast) - print_row: &mut Vec → &mut [_] - fusion.rs: 3.14 → 3.0 (clippy::approx_constant) - cargo fmt on entire crate Co-Authored-By: claude-flow <ruv@ruv.net> --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: ruvnet <ruvnet@gmail.com> |
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| .. | ||
| agentic-robotics | ||
| claude-code-rvsource | ||
| climate-consciousness | ||
| cnn | ||
| cognitive-frontier | ||
| DrAgnes | ||
| dspy | ||
| exotic-structure-discovery | ||
| FalkorDB | ||
| federated-rvf | ||
| gene-consciousness | ||
| gnn-v2 | ||
| knowledge-export | ||
| latent-space | ||
| miller-rabin-optimizations | ||
| mincut | ||
| models | ||
| nightly | ||
| pglite | ||
| photonlayer | ||
| pi-brain | ||
| quantization-edge | ||
| quantum-crypto | ||
| ruLake | ||
| ruvllm | ||
| ruvm | ||
| rv2 | ||
| rvagent-gemini-grounding | ||
| rvf | ||
| seizure-prediction | ||
| sota-gap-implementation | ||
| sparql | ||
| spectral-sparsification | ||
| sublinear-time-solver | ||
| wasm-integration-2026 | ||
| sota-gap-analysis-2026.md | ||