---
id: wiki-2026-0508-hybrid-search
title: Hybrid Search
category: 10_Wiki/Topics
status: duplicate
canonical_id: wiki-2026-0508-information-retrieval-ir
duplicate_of: "[[Information-Retrieval-IR]]"
aliases: [hybrid search, BM25 + dense, RRF]
source_trust_level: A
confidence_score: 0.94
verification_status: redirected
tags: [duplicate, hybrid-search, ir]
last_reinforced: 2026-05-10
github_commit: pending
---

# Hybrid Search

> **이 문서는 [[Information-Retrieval-IR]] 의 specialization 입니다.** Canonical 문서로 redirect.

## 핵심 요약 (hybrid-specific)
- 매 BM25 (sparse) + 매 dense embedding 의 fuse.
- 매 Reciprocal Rank Fusion (RRF).
- 매 Elasticsearch / Vespa / OpenSearch 의 native support.
- 매 dense-only 보다 매 keyword 의 lose 의 X.

## 🔗 Graph
- 부모: [[Information-Retrieval-IR]] (canonical)

## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |