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V1.0.0: 基于索引的知识检索系统

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核心功能:
- 文档索引：使用LLM分析提取关键词/摘要/主题/实体
- 查询处理：LLM分析查询意图并扩展关键词
- BM25检索：基于倒排索引的相关性排序
- RAG问答：检索增强生成

技术栈:
- Flask + SQLAlchemy
- OpenAI API兼容LLM
- BM25算法

特点: 不依赖向量模型和向量库
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coder
2026-04-07 23:48:06 +08:00
commit cdaadef10c
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instance/
*.db
__pycache__/
*.pyc
.env