{"id":4637,"date":"2025-12-16T12:27:18","date_gmt":"2025-12-16T04:27:18","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=4637"},"modified":"2025-12-16T12:27:18","modified_gmt":"2025-12-16T04:27:18","slug":"202512%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-hierarchical-lexical-graph-for-enhanced-multi-hop-retrieval","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202512%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-hierarchical-lexical-graph-for-enhanced-multi-hop-retrieval\/","title":{"rendered":"202512\u8bba\u6587\u7814\u8bfb-Hierarchical lexical graph for enhanced multi-hop retrieval"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u8005\uff1aGhassel A, Robinson I, Tanase G, et al.<\/li>\n\n\n\n<li>\u53d1\u8868\u5355\u4f4d\uff1aQueen\u2019s University, Kingston, Canada\uff1bAmazon<\/li>\n\n\n\n<li>\u53d1\u8868\u5728\uff1a\u7b2c 31 \u5c4a SIGKDD \u4f1a\u8bae\uff082025\uff09<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">\u6838\u5fc3\u5185\u5bb9<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>RAG \u53ea\u5173\u5fc3\u8bed\u4e49\u76f8\u4f3c\uff0c\u5ffd\u7565\u8bed\u4e49\u4e0d\u540c\u7684\u8d44\u6599\u7684\u7279\u70b9\u4e00\u5411\u5e7f\u4e3a\u4eba\u6240\u8bdf\u75c5\uff0c\u672c\u6587\u63d0\u51fa\u4e86<strong>\u5c42\u6b21\u8bcd\u6c47\u56fe<\/strong>\uff08Hierarchical Lexical Graph\uff0cHLG\uff09\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/li>\n\n\n\n<li>HLG \u53ef\u5206\u4e3a\u4e09\u5c42\uff1a\n<ol class=\"wp-block-list\">\n<li>\u6eaf\u6e90\uff1a\u4e3a\u6bcf\u4e2a\u539f\u5b50\u547d\u9898\u8ffd\u6eaf\u539f\u6587\u6863<\/li>\n\n\n\n<li>\u805a\u7c7b\uff1a\u4e3a\u539f\u5b50\u547d\u9898\u805a\u7c7b<\/li>\n\n\n\n<li>\u5b9e\u4f53\u8def\u5f84\uff1a\u5c06\u5b9e\u4f53\u548c\u5173\u7cfb\u8fde\u63a5\u8d77\u6765\u751f\u6210\u8def\u5f84<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u5728 HLG \u57fa\u7840\u4e0a\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e24\u79cd\u68c0\u7d22\u65b9\u6cd5\uff1a\n<ol class=\"wp-block-list\">\n<li>StatementGraphRAG\uff1a\u5728\u547d\u9898\u4e0a\u6267\u884c\u9488\u5bf9\u5b9e\u4f53\u7684<a href=\"\u96c6\u675f\u641c\u7d22.md\">\u96c6\u675f\u641c\u7d22<\/a>\u6765\u5e94\u5bf9\u4e8b\u5b9e\u578b\u95ee\u9898\uff1b<\/li>\n\n\n\n<li>TopicGraphRAG\uff1a\u9009\u53d6\u76f8\u5173\u4e3b\u9898\u6765\u83b7\u53d6\u66f4\u591a\u76f8\u5173\u4e0a\u4e0b\u6587\u4fe1\u606f<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u4f5c\u8005\u89c9\u5f97\u76ee\u524d\u7684 benchmark \u4e0d\u591f\u597d\uff0c\u4e8e\u662f\u53c8\u642d\u5efa\u4e86\u4e00\u6761\u6570\u636e\u96c6\u751f\u6210\u7ba1\u7ebf\u5236\u4f5c\u4e86\u4e00\u4e2a\u4eba\u9020\u591a\u6587\u6863\u95ee\u7b54\u6570\u636e\u96c6\uff1b\u5728 5 \u4e2a\u6570\u636e\u96c6\u4e0a\u672c\u6587\u7684\u601d\u8def\u53ef\u4ee5\u8d85\u8d8a\u57fa\u7840\u7684 chunk-based RAG 23 \u4e2a\u767e\u5206\u70b9\u3002<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u80cc\u666f<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>RAG \u4f7f\u7528\u7684\u5411\u91cf\u641c\u7d22\u53ea\u80fd\u6355\u6349\u5230 query \u548c doc \u4e4b\u95f4\u6700\u8868\u5c42\u7684\u8bed\u4e49\u5173\u7cfb\uff0c\u800c\u57fa\u4e8e\u56fe\u7684\u68c0\u7d22\u65b9\u6848\u5219\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f88\u6709\u6f5c\u529b\u7684\u89e3\u51b3\u601d\u8def\uff1b<\/li>\n\n\n\n<li>\u641c\u7d22 Text Chunk \u7684\u65b9\u6848\u5c40\u9650\u6027\u5df2\u7ecf\u65e5\u6e10\u663e\u9732\uff0c\u76ee\u524d\u7684\u4e00\u4e2a\u8d8b\u52bf\u662f\u51cf\u5c0f\u641c\u7d22\u5355\u5143\u7684\u5927\u5c0f\u3002\u6bd4\u5982\u91c7\u7528\u547d\u9898\u6765\u4f5c\u4e3a\u57fa\u7840\u68c0\u7d22\u5355\u5143\u6765\u63d0\u5347\u68c0\u7d22\u7cbe\u786e\u6027\uff1b<\/li>\n\n\n\n<li>HLG \u5219\u66f4\u8fdb\u4e00\u6b65\uff0c\u91c7\u7528\u4e86\u5305\u542b\u591a\u79cd\u641c\u7d22\u7c92\u5ea6\u7684\u591a\u5c42\u67b6\u6784\uff1a\n<ol class=\"wp-block-list\">\n<li>Lineage\uff1a\u4f7f\u7528\u7684\u6bcf\u4e2a\u9648\u8ff0\u90fd\u6eaf\u6e90\u5230\u6e90\u6587\u6863<\/li>\n\n\n\n<li>Summarization\uff1a\u5c06\u9648\u8ff0\u6309\u7167\u4e3b\u9898\u805a\u7c7b\u6765\u6267\u884c\u66f4\u52a0\u7075\u6d3b\u7684\u641c\u7d22<\/li>\n\n\n\n<li>Entity-Relationship\uff1a\u81ea\u5e95\u5411\u4e0a\u7684\u56fe\u641c\u7d22<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u7136\u540e\u5728 HLG \u4e0a\u6267\u884c\u4e24\u5c42\u641c\u7d22\uff1a\n<ol class=\"wp-block-list\">\n<li>StatementGraphRAG\uff1a\u9488\u5bf9\u547d\u9898\u8fdb\u884c\u641c\u7d22\uff0c\u4e0d\u540c\u6587\u6863\u4e2d\u7684\u547d\u9898\uff08Summarization\uff09\u4e4b\u95f4\u901a\u8fc7\u5b9e\u4f53\u5173\u7cfb\uff08Entity-Relationship\uff09\u8fde\u63a5\u8d77\u6765\uff0c\u5e76\u4e14\u901a\u8fc7 Lineage \u63d0\u4f9b\u6eaf\u6e90\uff1b<\/li>\n\n\n\n<li>TopicGraphRAG\uff1a\u548c\u524d\u8005\u5f88\u76f8\u4f3c\uff0c\u4e0d\u8fc7\u8fd9\u6b21\u9488\u5bf9\u7684\u662f\u4ee5\u4e3b\u9898\u4e3a\u5355\u4f4d\u7684\u4e00\u7c07\u547d\u9898\u8fdb\u884c\u641c\u7d22\uff1b<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>\u4f5c\u8005\u7528 LLM \u57fa\u4e8eMultiHop-RAG \u8bed\u6599\u5e93\u5236\u4f5c\u4e86\u4e00\u4e2a 674 \u4e2a\u95ee\u7b54\u5bf9\u3002\u8fd9\u4e9b\u95ee\u7b54\u5bf9\u7ecf\u8fc7\u4e86 LLM \u53cd\u590d\u7684\u6279\u8bc4\u548c\u68c0\u67e5\u3002<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u63d0\u51fa\u7684\u65b9\u6cd5<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">HLG<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"1024\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30-757x1024.png\" alt=\"\" class=\"wp-image-4638\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30-757x1024.png 757w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30-222x300.png 222w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30-768x1039.png 768w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30-1136x1536.png 1136w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-30.png 1152w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/figure>\n\n\n\n<p><br>\u56fe\u4e2d\u6709\u8fd9\u4e9b\u7ed3\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Lineage\uff1a\u8d1f\u8d23\u6eaf\u6e90\n<ol class=\"wp-block-list\">\n<li>\u5143\u4fe1\u606f\uff1a\u6e90\u6587\u6863\u5185\u5bb9\u63cf\u8ff0<\/li>\n\n\n\n<li>Chunk\uff1a\u6587\u6863\u5757\u5185\u5bb9<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Summarization\uff1a\u68c0\u7d22\u7684\u6838\u5fc3\n<ol class=\"wp-block-list\">\n<li>Statement\uff1a\u4e00\u6bb5\u8bdd\u4e2d\u7684\u4e00\u4e2a\u5b8c\u6574\u5b50\u53e5\uff0c\u8fd9\u662f\u4e00\u4e2a\u539f\u5b50\u547d\u9898\uff0c\u641c\u7d22\u7684\u4e3b\u4f53<\/li>\n\n\n\n<li>Facts\uff1a\u4e09\u5143\u7ec4\uff0c\u5305\u542b\u5b9e\u4f53\uff0c\u8de8\u6587\u6863\u7684 Statement \u9760\u8fd9\u4e2a\u8054\u7cfb\u8d77\u6765<\/li>\n\n\n\n<li>Topic\uff1a\u805a\u7c7b\u4e3b\u9898\uff0c\u6587\u6863\u5185\u7684 Statement \u9760\u8fd9\u4e2a\u8054\u7cfb\u8d77\u6765<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Entity-Relationship\uff1a\u8d1f\u8d23\u8de8\u6587\u6863\uff08\u4e0d\u540c\u6587\u6863\u4e2d\u63d0\u5230\u4e86\u76f8\u540c\u5b9e\u4f53\u7684 Statement \u53ef\u4ee5\u88ab\u8fde\u63a5\u8d77\u6765\uff09\n<ol class=\"wp-block-list\">\n<li>Entity\uff1aFacts \u4e2d\u7684\u4e3b\u8bed\u548c\u5bbe\u8bed<\/li>\n\n\n\n<li>Relationship\uff1a\u5b9e\u4f53\u95f4\u5173\u7cfb<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e2a\u56fe\u4e5f\u662f\u5355\u7eaf\u7528 LLM \u751f\u6210\u7684\uff0c\u5c42\u7ea7\u8fde\u63a5\u4e5f\u662f LLM \u8bc6\u522b\u62bd\u53d6\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u68c0\u7d22\u6a21\u578b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">StatementGraphRAG<\/h3>\n\n\n\n<p>\u5206\u4e3a\u51e0\u5c42\u641c\u7d22\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u57fa\u4e8e\u5173\u952e\u8bcd\u641c\u7d22\uff1a\u8bd5\u56fe\u901a\u8fc7\u5b9e\u4f53\u6587\u672c\u5339\u914d\u68c0\u7d22 statement<\/li>\n\n\n\n<li>\u5411\u91cf\u641c\u7d22\uff1a\u901a\u8fc7\u5411\u91cf\u5339\u914d statement \u548c query<\/li>\n\n\n\n<li>\u56fe\u96c6\u675f\u641c\u7d22\uff1a\u641c\u7d22 HLG \u4e2d\u7684\u591a\u8df3\u90bb\u5c45\uff0cstatement \u4e4b\u95f4\u662f\u901a\u8fc7\u5171\u540c\u7684 entity \u8fde\u63a5\u8d77\u6765\u7684\uff1b\u641c\u7d22\u51fa\u6765\u7684\u8def\u5f84\u4f1a\u88ab\u8bc4\u5206\u5e76\u4e14\u6392\u5e8f<\/li>\n\n\n\n<li>\u91cd\u6392\u5e8f\uff1a\u91cd\u6392\u5e8f\u8def\u5f84\uff0c\u83b7\u53d6 topk \u7ed3\u679c<\/li>\n<\/ol>\n\n\n\n<p>\u8bbe $\\mathcal{G}=(V,E)$ \u662f HLG\uff0c\u5176\u4e2d $\\mathcal{S}<em>{\\mathcal{G}}\\subset V$\uff0c\u662f\u6240\u6709 statement \u7684\u96c6\u5408\u3002\u73b0\u5728\u7528\u6237\u63d0\u51fa\u4e86 query $Q$\uff0c\u9996\u5148\u63d0\u53d6\u51fa\u4e00\u7cfb\u5217\u5173\u952e\u8bcd\uff1a $$ K={ k<\/em>{i}|k_{i}\\text{ was extracted from } Q }<br>$$<br>\u5bf9\u6bcf\u4e2a\u5173\u952e\u8bcd\u90fd\u5339\u914d\u5b9e\u4f53\uff0c\u5982\u679c\u5b9e\u4f53\u51fa\u73b0\u5728\u4e86\u67d0\u4e2a statement $s$ \u4e2d\uff0c\u8fd9\u4e2a\u5173\u952e\u8bcd\u5c31\u53ef\u4ee5\u88ab\u5f52\u7c7b\u5230 $K_{s}\\in K$\u3002\u4ece\u8fd9\u91cc\u53ef\u4ee5\u83b7\u5f97\u7b2c\u4e00\u4e2a\u8bc4\u5206\uff0c\u5373 $s$ \u80fd\u5339\u914d\u5230\u7684\u5173\u952e\u8bcd\u6570\u91cf\u3002\u8fd9\u4e2a\u503c\u8d8a\u9ad8\u8bf4\u660e\u8d8a\u76f8\u5173\uff1a<br>$$<br>\\text{Score}<em>{kw}(s)=|K<\/em>{s}|<br>$$<br>\u4ece\u8fd9\u91cc\uff0c\u53ef\u4ee5\u53d6\u51fa topk \u76f8\u5173\u5ea6\u6700\u9ad8\u7684 statements \u7ec4\u6210 $\\mathcal{S}<em>{kw}$\uff1a $$ \\mathcal{S}<\/em>{kw}=\\text{Top}<em>{k}(\\mathcal{S}<\/em>{\\mathcal{G}},\\text{Score}_{kw})<br>$$<\/p>\n\n\n\n<p>\u7136\u540e\u662f\u5411\u91cf\u641c\u7d22\uff0c\u53d6\u548c $Q$ \u76f8\u4f3c\u5ea6\u6700\u9ad8\u7684\u4e00\u7ec4 statements\uff08$\\mathbf{e}$ \u662f\u7f16\u7801\u540e\u7684\u5411\u91cf\uff09\uff1a<br>$$<br>\\mathcal{S}<em>{vss}=\\text{Top}<\/em>{k}(\\mathcal{S}<em>{\\mathcal{G}}, \\text{sim}(\\mathbf{e}<\/em>{s},\\mathbf{e}<em>{Q})) $$ \u628a\u8fd9\u4e24\u4e2a\u96c6\u5408\u5408\u5e76\u8d77\u6765\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u4e00\u7ec4\u5019\u9009 statements\uff1a $$ \\mathcal{S}<\/em>{init}=\\mathcal{S}<em>{kw}\\cup \\mathcal{S}<\/em>{vss}<br>$$<br>\u524d\u9762\u628a statement \u4e4b\u95f4\u7684\u5173\u7cfb\u5b9a\u4e49\u4e3a\u4e86\u5171\u4eab\u5b9e\u4f53\u3002\u90a3\u4e48\u5c31\u6cbf\u7740\u5171\u4eab\u5b9e\u4f53\u4ece $\\mathcal{G}$ \u4e2d\u68c0\u7d22\u51fa\u4e00\u7ec4\u8def\u5f84\u6765\u3002<\/p>\n\n\n\n<p>\u8bb0\u8def\u5f84\u662f\u4e00\u4e2a statement \u5e8f\u5217 $P=s_1, s_2, \\dots, s_n$\uff0c\u8def\u5f84\u7684 Embedding \u88ab\u5b9a\u4e49\u4e3a\u5e8f\u5217 statement \u8bed\u4e49\u5411\u91cf\u7684\u6ce8\u610f\u529b\u548c\uff08\u51c6\u786e\u6765\u8bf4\uff0c\u662f<a href=\"Archive\/CV\/\u6ce8\u610f\u529b\u673a\u5236.md\">\u70b9\u79ef\u6ce8\u610f\u529b<\/a>\uff0c\u6ca1\u6709\u7f29\u653e\uff09\uff1a<br>$$<br>\\mathbf{e}<em>{path}(P)=\\sum<\/em>{i=1}^n\\alpha_{i}\\mathbf{e}<em>{s<\/em>{i}},\\alpha_{i}=\\text{Softmax}(\\text{sim}(\\mathbf{e}<em>{i},\\mathbf{e}<\/em>{Q}))<br>$$<br>\u540c\u6837\u5730\uff0c\u57fa\u4e8e\u8fd9\u4e2a\u8ba1\u7b97\u8def\u5f84\u76f8\u4f3c\u5ea6\u8bc4\u5206\uff1a<br>$$<br>\\text{Score}<em>{beam}(P)=\\text{sim}(\\mathbf{e}<\/em>{Q},\\mathbf{e}<em>{path}(P)) $$ \u4ee5 $\\mathcal{S}<\/em>{init}$ \u4e2d\u7684 statement \u4e3a\u8d77\u70b9\uff0c\u901a\u8fc7\u8fd9\u4e2a\u8bc4\u5206\u51fd\u6570\uff0c<a href=\"\u96c6\u675f\u641c\u7d22.md\">\u96c6\u675f\u641c\u7d22<\/a>\u51fa\u4e00\u7ec4\u8def\u5f84\u3002\u641c\u7d22\u7b56\u7565\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6269\u5c55\u4e00\u4e2a\u7ed3\u70b9\u4e4b\u540e\uff0c\u8def\u5f84\u7684\u8bc4\u5206\u5fc5\u987b\u4e0a\u5347\uff0c\u5426\u5219\u505c\u6b62\u641c\u7d22\uff1b<\/li>\n\n\n\n<li>\u62b5\u8fbe\u6700\u5927\u6df1\u5ea6 $D_{\\max}$ \u540e\uff0c\u505c\u6b62\u641c\u7d22<\/li>\n\n\n\n<li>\u53ea\u9009\u62e9\u8bc4\u5206\u6700\u9ad8\u7684 B \u4e2a\u8def\u5f84\u7ee7\u7eed\u6269\u5c55<\/li>\n<\/ol>\n\n\n\n<p>\u6700\u540e\u83b7\u5f97\u4e86\u4e00\u7ec4\u8def\u5f84\u3002\u628a\u8def\u5f84\u6253\u6563\uff0c\u56de\u5230\u4e00\u7ec4 statement \u7684\u72b6\u6001 $\\mathcal{S}<em>{final}$\u3002\u6700\u540e\u5c06\u6240\u6709\u7684 statement \u8fdb\u8fc7 rerank \u540e\u9009\u51fa topk\uff1a $$ \\mathcal{S}<\/em>{top}=\\text{Top}<em>{k}(\\mathcal{S}<\/em>{final},\\text{Rerank}(Q,s))<br>$$<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5199\u5230\u8fd9\u91cc\u6211\u624d\u610f\u8bc6\u5230\uff0c\u8fd9\u4e2a\u68c0\u7d22\u65b9\u6cd5\u7684\u7cbe\u5ea6\u4f30\u8ba1\u5927\u53d7 rerank \u7684\u5f71\u54cd\u3002\u56e0\u4e3a\u5c31\u7b97\u901a\u8fc7\u590d\u6742\u7684\u56fe\u904d\u5386\u627e\u5230\u4e86\u8bed\u4e49\u4e0a\u4e0d\u76f8\u4f3c\u3001\u4f46\u662f\u5b9e\u9645\u4e0a\u5f88\u6709\u7528\u7684 statement\uff0crerank \u53c8\u4f1a\u6309\u7167\u8bed\u4e49\u76f8\u4f3c\u5ea6\u5c06\u5b83\u6392\u5230\u540e\u9762\u53bb\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">TopicGraphRAG<\/h3>\n\n\n\n<p>\u4e3b\u8981\u662f\u5206\u4e3a\u81ea\u4e0b\u800c\u4e0a\u548c\u81ea\u4e0a\u800c\u4e0b\u7684\u641c\u7d22\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u81ea\u4e0a\u800c\u4e0b\uff1a\u7528\u5411\u91cf\u641c\u7d22\u5339\u914d query \u548c topic \u7ed3\u70b9\uff0c\u627e\u5230\u76f8\u4f3c\u5ea6\u6700\u9ad8\u7684 topic \u4ee5\u53ca\u96b6\u5c5e\u4e8e topic \u7684 statement<\/li>\n\n\n\n<li>\u81ea\u5e95\u5411\u4e0a\uff1a\u901a\u8fc7 $Q$ \u63d0\u53d6\u7684\u5173\u952e\u8bcd\u505a\u5b9e\u4f53\u5339\u914d\uff0c\u63d0\u5230\u5339\u914d\u5230\u5b9e\u4f53\u7684 statement \u4f1a\u88ab\u6536\u96c6\u8d77\u6765<\/li>\n\n\n\n<li>\u56fe\u96c6\u675f\u641c\u7d22 &amp; \u91cd\u6392\u5e8f\uff1a\u548c\u4e4b\u524d\u4e00\u6837\uff0c\u524d\u4e24\u6b65\u83b7\u53d6\u7684 statement \u8fdb\u884c\u56fe\u641c\u7d22\u548c\u91cd\u6392\u5e8f<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u540e\u5904\u7406<\/h3>\n\n\n\n<p>\u4e3a\u4e86\u9632\u6b62\u592a\u591a statement \u6491\u7834 LLM \u4e0a\u4e0b\u6587\uff0c\u4f5c\u8005\u60f3\u4e86\u4e2a\u529e\u6cd5\u6765\u4fdd\u6301\u591a\u6837\u6027\u7684\u540c\u65f6\u6254\u6389\u5197\u4f59\u7684 statement\u3002\u5177\u4f53\u6765\u8bf4\u662f\u7528 <a href=\"Archive\/NLP\/\u5411\u91cf\u7a7a\u95f4\u6a21\u578b.md#TF-IDF%20\u6743\u91cd\">TF-IDF \u6743\u91cd<\/a>\u8bc4\u4ef7 statement \u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u3002\u76f8\u4f3c\u5ea6\u8fc7\u9ad8\uff08\u9ad8\u4e8e 0.995\uff09\u7684 statement\uff0c\u4fdd\u7559 rerank \u8bc4\u5206\u6700\u9ad8\u7684\u90a3\u4e2a\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5b9e\u9a8c<\/h1>\n\n\n\n<p>\u4f5c\u8005\u5728 5 \u4e2a\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u4e86\u5b9e\u9a8c\u3002<br><img decoding=\"async\" src=\".\/Assets\/HLG-1765789064056.png\" alt=\"\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"703\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31-1024x703.png\" alt=\"\" class=\"wp-image-4639\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31-1024x703.png 1024w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31-300x206.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31-768x527.png 768w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31-1536x1054.png 1536w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/12\/image-31.png 1575w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u53d1\u73b0\u4f5c\u8005\u7684\u65b9\u6848\u80fd\u591f\u8d85\u8d8a Naive RAG+rerank \u8fd9\u6837\u7684\u5f3a\u57fa\u7ebf\uff0c\u800c\u4e14\u91c7\u7528 statement \u4f5c\u4e3a\u641c\u7d22\u5355\u5143\u786e\u5b9e\u6bd4\u4f7f\u7528 chunk \u8981\u597d\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u7ed3\u8bba<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u63d0\u51fa\u4e86 HLG \u8fd9\u4e00\u6846\u67b6\uff0c\u652f\u6301\u7ec6\u7c92\u5ea6\u7684\u591a\u8df3\u68c0\u7d22\u63a8\u7406\uff0c\u53ef\u4ee5\u5e94\u5bf9\u590d\u6742\u7684\u95ee\u7b54\u4efb\u52a1\uff1b<\/li>\n\n\n\n<li>\u5b9e\u9a8c\u8868\u660e\uff0c\u68c0\u7d22\u4e3b\u9898\u6216\u8005\u68c0\u7d22 statement \u786e\u5b9e\u6bd4\u68c0\u7d22 chunk \u8981\u597d\u4e0d\u5c11\uff1b<\/li>\n\n\n\n<li>\u867d\u7136\u8fd9\u4e2a RAG \u7684 index \u6210\u672c\u5f88\u9ad8\uff0c\u4f46\u662f\u6bd5\u7adf\u662f\u53ef\u4ee5\u9884\u8ba1\u7b97\uff0c\u5c55\u73b0\u51fa\u4e86\u5f88\u597d\u7684\u5f15\u7528\u6f5c\u529b\u3002<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u542f\u53d1\u4e0e\u8bc4\u4ef7<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1.0 \u6280\u672f\u521b\u65b0\u2014\u2014\u903b\u8f91\u601d\u7ef4\u63a8\u7406\u6846\u67b6<\/strong>\uff1a\u867d\u7136\u662f\u540c\u671f\u5de5\u4f5c\uff0c\u4f46\u662f\u8fd9\u7bc7\u6587\u7ae0\u53ef\u4ee5\u770b\u4f5c\u662f\u5728 <a href=\"PropRAG.md\">PropRAG<\/a> \u7684\u57fa\u7840\u4e0a\u52a0\u4e0a\u4e86\u6eaf\u6e90\u548c\u805a\u7c7b\uff1b\u5176\u4ee5\u547d\u9898\u4e3a\u57fa\u672c\u641c\u7d22\u5355\u5143\u4ee5\u53ca\u8fde\u63a5\u5171\u4eab\u5b9e\u4f53\u7684\u547d\u9898\u601d\u8def\u5982\u51fa\u4e00\u8f99\uff0c\u751a\u81f3\u4e5f\u90fd\u4f7f\u7528\u4e86\u96c6\u675f\u641c\u7d22\u3002\u4f5c\u8005\u8fd8\u505a\u4e86\u5b9e\u9a8c\u8868\u660e\u547d\u9898\u786e\u5b9e\u662f\u6bd4 chunk \u66f4\u597d\u7684\u641c\u7d22\u5355\u5143\uff0c\u66f4\u9002\u5408\u591a\u8df3\u63a8\u7406\u4efb\u52a1\uff1b<\/li>\n\n\n\n<li><strong>2.1 \u6280\u672f\u76ee\u6807\u2014\u2014\u4e13\u4e1a\u624b\u518c\u516c\u4f17\u670d\u52a1<\/strong>\uff1aHLG \u6846\u67b6\u9700\u8981\u8017\u8d39\u8f83\u591a\u7b97\u529b\u6765\u8fdb\u884c\u7d22\u5f15\uff0c\u4f46\u662f\u4e00\u6b21\u7d22\u5f15\u4e4b\u540e\u5c31\u53ef\u4ee5\u591a\u6b21\u641c\u7d22\uff0c\u603b\u7684\u6765\u8bf4\u6210\u672c\u4f4e\u4e8e\u5728\u641c\u7d22\u8fc7\u7a0b\u4e2d\u591a\u6b21\u8c03\u7528\u5927\u8bed\u8a00\u6a21\u578b\u7684 Agent \u65b9\u6848\u3002\u4e0d\u8fc7\u4ece\u5b9e\u73b0\u89d2\u5ea6\u6765\u8bf4\uff0c\u4f5c\u8005\u6700\u540e\u518d\u6b21\u5f15\u5165 rerank \u6beb\u65e0\u7591\u95ee\u662f\u4f1a\u62b5\u6d88\u56fe\u641c\u7d22\u7684\u4f5c\u7528\u7684\uff08\u4e0d\u7ba1\u662f\u597d\u4f5c\u7528\u8fd8\u662f\u574f\u4f5c\u7528\uff09\uff0c\u8ba9\u6574\u4f53\u56de\u5230\u8bed\u4e49\u5339\u914d\u7684\u8f68\u9053\u4e0a\u3002\u800c\u4e14\u4f5c\u8005\u6ca1\u6709\u505a\u79fb\u9664 reranker \u7684\u6d88\u878d\u5b9e\u9a8c\u3002<\/li>\n\n\n\n<li><strong>3.1 \u573a\u666f\u529f\u80fd\u2014\u2014\u98df\u517b\u901a<\/strong>\uff1a\u8fd9\u7bc7\u6587\u7ae0\u7684\u7ed3\u8bba\u8868\u660e\uff0c\u53ef\u4ee5\u8003\u8651\u628a rerank \u4ece\u7528\u4e8e\u5355\u7eaf\u8bed\u4e49\u5339\u914d\u6269\u5c55\u5230\u7528\u4e8e\u8bc4\u4f30\u8def\u5f84\u8bc1\u636e\uff0c\u8fd9\u4f1a\u6bd4 LLM \u6210\u672c\u4f4e\u5f97\u591a\uff0c\u4e5f\u53ef\u80fd\u66f4\u597d\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6838\u5fc3\u5185\u5bb9 \u80cc\u666f \u63d0\u51fa\u7684\u65b9\u6cd5 HLG \u56fe\u4e2d\u6709\u8fd9\u4e9b\u7ed3\u70b9\uff1a \u8fd9\u4e2a\u56fe\u4e5f\u662f\u5355\u7eaf\u7528 LLM \u751f\u6210\u7684\uff0c\u5c42\u7ea7\u8fde\u63a5\u4e5f\u662f LLM  [&hellip;]<\/p>\n","protected":false},"author":59,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4637","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/users\/59"}],"replies":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/comments?post=4637"}],"version-history":[{"count":1,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4637\/revisions"}],"predecessor-version":[{"id":4640,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4637\/revisions\/4640"}],"wp:attachment":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/media?parent=4637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/categories?post=4637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/tags?post=4637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}