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// src/retrieval/bm25/mod.rs //! BM25 检索模块 //! //! BM25 (Best Match 25) 是一种经典的 TF-IDF 加权检索算法， //! 适用于关键词搜索、长文档检索等场景。 mod algorithm; mod chunked; mod index; mod retriever; mod tokenizer; pub use crate::vector_stores::document_store::ChunkDocument; pub use algorithm::{bm25_score, compute_idf, BM25Params}; pub use chunked::{ AutoMergingConfig, ChunkedBM25Index, ChunkedBM25Retriever, ChunkedIndexData, ChunkedSearchResult, }; pub use index::BM25Index; pub use retriever::BM25Retriever; pub use tokenizer::Tokenizer;