Revise index descriptions in reme_design.md
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Updated the descriptions of the inverted index and vector index to clarify their implementations.
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jinliyl 2026-06-04 16:08:37 +08:00 • committed by GitHub
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@ -254,8 +254,8 @@ dream 自动变密。
两套索引并行维护,各擅其长:
- **全文倒排索引**(numpy + jieba BM25)——精确匹配专有名词,搜"宁德时代"必须命中。纯 Python 实现,增量更新,无原生扩展依赖。
- **向量索引**(faiss)——语义相似度,搜"锂电正极原料"能命中"钴"。基于 embedding 模型生成稠密向量。
- **全文倒排索引**(基于numpy)——精确匹配专有名词,搜"宁德时代"必须命中。支持增量更新索引,无原生扩展依赖。
- **向量索引**(基于faiss)——语义相似度,搜"锂电正极原料"能命中"钴"。
### 4.2 基于 RRF 的混合检索