{"id":4123,"date":"2025-10-15T10:30:49","date_gmt":"2025-10-15T02:30:49","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=4123"},"modified":"2025-10-15T10:30:49","modified_gmt":"2025-10-15T02:30:49","slug":"202510-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-g-refer-graph-retrieval-augmented-large-language-model-for-explainable-recommendation","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202510-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-g-refer-graph-retrieval-augmented-large-language-model-for-explainable-recommendation\/","title":{"rendered":"202510 \u8bba\u6587\u7814\u8bfb-G-Refer: Graph Retrieval-Augmented Large Language Model for Explainable Recommendation"},"content":{"rendered":"\n<p>\u6765\u6e90\uff1aWWW \u201925<br>\u4f5c\u8005\uff1aYuhan Li\u3001Xinni Zhang\u7b49<br>\u5355\u4f4d\uff1a\u9999\u6e2f\u79d1\u6280\u5927\u5b66\u3001\u9999\u6e2f\u4e2d\u6587\u5927\u5b66\u3001\u534e\u4e3a.<br>\u53d1\u8868\u65f6\u95f4\uff1a2025 \u5e74 4\u6708<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u7814\u7a76\u80cc\u666f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u7edf\u63a8\u8350\u7cfb\u7edf\uff08\u5982\u534f\u540c\u8fc7\u6ee4\u3001\u77e9\u9635\u5206\u89e3\u3001\u56fe\u795e\u7ecf\u7f51\u7edc GNN\uff09\u5728\u9884\u6d4b\u51c6\u786e\u6027\u4e0a\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u4f46\u666e\u904d\u5b58\u5728\uff1a\u9ed1\u7bb1\u6027\u3001\u7f3a\u4e4f\u4e2a\u6027\u5316\u89e3\u91ca\u3001\u9759\u6001\u5efa\u6a21<\/li>\n\n\n\n<li>\u5927\u8bed\u8a00\u6a21\u578b\uff1a\u8fd1\u5e74\u6765\uff0cLLM\uff08\u5982 GPT\u3001LLaMA\uff09\u5728\u81ea\u7136\u8bed\u8a00\u751f\u6210\u3001\u63a8\u7406\u548c\u5bf9\u8bdd\u65b9\u9762\u5c55\u73b0\u51fa\u5f3a\u5927\u80fd\u529b\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u53ef\u89e3\u91ca\u63a8\u8350\uff0c\u4f46\u7eafLLM\u65b9\u6cd5\u5b58\u5728\u5e7b\u89c9\u95ee\u9898\u3001\u7f3a\u4e4f\u7ed3\u6784\u5316\u7528\u6237\u884c\u4e3a\u5efa\u6a21\u7b49\u7f3a\u9677\u3002<\/li>\n\n\n\n<li>\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08RAG\uff09\uff1a\u5e94\u4ece\u7528\u6237-\u7269\u54c1\u4ea4\u4e92\u56fe\u4e2d\u68c0\u7d22\u51fa\u201c\u53ef\u89e3\u91ca\u7684\u3001\u663e\u5f0f\u7684\u534f\u540c\u8bc1\u636e\u201d\uff08\u5982\u76f8\u4f3c\u7528\u6237\u884c\u4e3a\u3001\u7269\u54c1\u5171\u73b0\u8def\u5f84\uff09\uff0c\u518d\u5c06\u8fd9\u4e9b\u8bc1\u636e\u4ee5\u81ea\u7136\u8bed\u8a00\u5f62\u5f0f\u8f93\u5165 LLM\uff0c\u5f15\u5bfc\u5176\u751f\u6210\u5fe0\u5b9e\u3001\u4e2a\u6027\u5316\u89e3\u91ca\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u7edf\u63a8\u8350\u7cfb\u7edf \u2192 \u51c6\u786e\u4f46\u4e0d\u53ef\u89e3\u91ca<\/li>\n\n\n\n<li>\u7eafLLM\u63a8\u8350 \u2192 \u53ef\u89e3\u91ca\u4f46\u4e0d\u51c6\u786e\/\u6613\u5e7b\u89c9<\/li>\n\n\n\n<li>GNN+LLM\u521d\u6b65\u878d\u5408 \u2192 \u4ecd\u5b58\u5728\u9690\u5f0f\u8868\u793a\u4e0e\u6a21\u6001\u9e3f\u6c9f<\/li>\n<\/ul>\n\n\n\n<p>\u6838\u5fc3\u95ee\u9898\uff1a\u8ba9 LLM \u80fd\u7406\u89e3\u56fe\u7ed3\u6784\u4e2d\u9690\u5f0f\u7684\u534f\u540c\u8fc7\u6ee4\u4fe1\u606f\uff08CF signals\uff09\uff0c\u5e76\u751f\u6210\u53ef\u89e3\u91ca\u7684\u63a8\u8350\u7406\u7531\uff08explanation\uff09\u3002<br>\u65b9\u6cd5\uff1aGraph Retrieval-Augmented Generation\uff08GraphRAG\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001G-Refer\u6846\u67b6<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"334\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image.png\" alt=\"\" class=\"wp-image-4124\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image.png 865w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-300x116.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-768x297.png 768w\" sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p>\u6a21\u57571\uff1a\u6df7\u5408\u56fe\u68c0\u7d22\u5668\uff08Hybrid Graph Retriever\uff09<br>\u76ee\u6807\uff1a\u4ece\u539f\u59cb\u7684\u7528\u6237-\u7269\u54c1\u4ea4\u4e92\u56fe\u4e2d\uff0c\u663e\u5f0f\u5730\u68c0\u7d22\u51fa\u4e0e\u5f53\u524d\u7528\u6237-\u7269\u54c1\u5bf9\u76f8\u5173\u7684\u3001\u53ef\u89e3\u91ca\u7684\u534f\u540c\u4fe1\u53f7\uff0c\u800c\u975e\u4f9d\u8d56\u9690\u5f0f\u7684\u56fe\u795e\u7ecf\u7f51\u7edc\u5d4c\u5165\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u7d22\u7684\u4e24\u4e2a\u4e92\u8865\u7c92\u5ea6\uff1a<\/li>\n\n\n\n<li>\u8282\u70b9\u7ea7\u68c0\u7d22\uff1a\u627e\u51fa\u4e0e\u5f53\u524d\u7528\u6237\u6216\u7269\u54c1\u8bed\u4e49\u6216\u884c\u4e3a\u76f8\u4f3c\u7684\u5176\u4ed6\u7528\u6237\/\u7269\u54c1\u3002<\/li>\n\n\n\n<li>\u8def\u5f84\u7ea7\u68c0\u7d22\uff1a\u6316\u6398\u7528\u6237\u4e0e\u7269\u54c1\u4e4b\u95f4\u9ad8\u9636\u8fde\u63a5\u8def\u5f84\uff0c\u63ed\u793a\u95f4\u63a5\u534f\u540c\u5173\u7cfb\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"916\" height=\"407\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-1.png\" alt=\"\" class=\"wp-image-4125\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-1.png 916w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-1-300x133.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-1-768x341.png 768w\" sizes=\"auto, (max-width: 916px) 100vw, 916px\" \/><\/figure>\n\n\n\n<p>\u6a21\u57572\uff1a\u77e5\u8bc6\u526a\u679d\uff08Knowledge Pruning\uff09<br>\u76ee\u6807\uff1a\u4e0e\u771f\u5b9e\u6807\u7b7e\u5bf9\u9f50\uff0c\u4ece\u539f\u59cb\u68c0\u7d22\u5230\u7684\u5019\u9009\u8bc1\u636e\u96c6\u5408\u4e2d\uff0c\u81ea\u52a8\u7b5b\u9009\u51fa\u4e0e\u201c\u771f\u5b9e\u89e3\u91ca\u201d\u6700\u76f8\u5173\u3001\u6700\u6709\u89e3\u91ca\u529b\u7684\u5b50\u96c6\uff0c\u4ec5\u7528\u8fd9\u4e2a\u5b50\u96c6\u8fdb\u884c\u5fae\u8c03\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"625\" height=\"90\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-2.png\" alt=\"\" class=\"wp-image-4126\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-2.png 625w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-2-300x43.png 300w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/figure>\n\n\n\n<p>\u4f7f\u7528\u4e00\u4e2a\u8bed\u4e49\u76f8\u4f3c\u5ea6\u6a21\u578b\u8ba1\u7b97\uff1a\u7528\u526a\u679d\u540e\u7684\u8bc1\u636e\u5b50\u96c6\u66ff\u4ee3\u539f\u59cb\u8bc1\u636e\uff1b\u4f5c\u4e3a LLM \u7684\u8f93\u5165\u8fdb\u884c\u5fae\u8c03\u3002<\/p>\n\n\n\n<p>\u6a21\u57573\uff1a\u68c0\u7d22\u589e\u5f3a\u5fae\u8c03\uff08RAFT\uff09<br>\u76ee\u6807\uff1a\u8bad\u7ec3 LLM \u5b66\u4f1a\u6709\u6548\u5229\u7528\u68c0\u7d22\u5230\u7684\u56fe\u7ffb\u8bd1\u6587\u672c\uff0c\u751f\u6210\u51c6\u786e\u3001\u4e2a\u6027\u5316\u3001\u6d41\u7545\u7684\u63a8\u8350\u89e3\u91ca\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"635\" height=\"95\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-3.png\" alt=\"\" class=\"wp-image-4127\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-3.png 635w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-3-300x45.png 300w\" sizes=\"auto, (max-width: 635px) 100vw, 635px\" \/><\/figure>\n\n\n\n<p>\u628a RAG \u7684\u201c\u63a8\u7406\u65f6\u884c\u4e3a\u201d\u524d\u7f6e\u5230\u201c\u8bad\u7ec3\u9636\u6bb5\u201d\uff0c\u8ba9\u6a21\u578b\u5185\u5316\u201c\u5982\u4f55\u7528\u68c0\u7d22\u7ed3\u679c\u201d\u3002<br>\u7ed3\u679c\u8868\u660e\uff1a3B \u548c 7B \u51e0\u4e4e\u4e00\u6837\u597d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5b9e\u9a8c<\/h2>\n\n\n\n<p>\u6570\u636e\u96c6\u9009\u62e9<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"677\" height=\"218\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-4.png\" alt=\"\" class=\"wp-image-4128\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-4.png 677w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-4-300x97.png 300w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/figure>\n\n\n\n<p>\u8bc4\u4f30\u6307\u6807\uff08\u91c7\u7528\u8bed\u4e49\u7ea7\u6307\u6807\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPTScore\uff1a\u7528 GPT-3.5-turbo \u5224\u65ad\u751f\u6210\u89e3\u91ca\u4e0e\u53c2\u8003\u89e3\u91ca\u7684\u8bed\u4e49\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li>BERTScore (F1\/Recall)\uff1a\u8861\u91cf token-level \u8bed\u4e49\u5bf9\u9f50\uff1bRecall \u7279\u522b\u7528\u4e8e\u8bc4\u4f30\u68c0\u7d22 CF \u4fe1\u606f\u7684\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>BARTScore\uff1a\u57fa\u4e8e BART \u7684\u5e8f\u5217\u5230\u5e8f\u5217\u8bc4\u5206\u3002<\/li>\n\n\n\n<li>BLEURT\uff1aGoogle \u63d0\u51fa\u7684\u9c81\u68d2\u8bed\u4e49\u8bc4\u4f30\u6307\u6807\u3002<\/li>\n\n\n\n<li>USR\uff1a\u7528\u6237\u6a21\u62df\u5668\u8bc4\u4f30\uff08User Simulation Reward\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6838\u5fc3\u5b9e\u9a8c\u7ed3\u679c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"952\" height=\"495\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-5.png\" alt=\"\" class=\"wp-image-4129\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-5.png 952w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-5-300x156.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-5-768x399.png 768w\" sizes=\"auto, (max-width: 952px) 100vw, 952px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"578\" height=\"509\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-6.png\" alt=\"\" class=\"wp-image-4130\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-6.png 578w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2025\/10\/image-6-300x264.png 300w\" sizes=\"auto, (max-width: 578px) 100vw, 578px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u603b\u7ed3\u4e0e\u7efc\u5408\u5bf9\u5176\u601d\u8003<\/h2>\n\n\n\n<p>\uff08\u4e00\uff09\u8bba\u6587\u6838\u5fc3\u5185\u5bb9<\/p>\n\n\n\n<p>G-Refer \u9996\u6b21\u5c06\u56fe\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08Graph-RAG\uff09\u5f15\u5165\u53ef\u89e3\u91ca\u63a8\u8350\uff0c\u901a\u8fc7\u6df7\u5408\u56fe\u68c0\u7d22 + \u77e5\u8bc6\u526a\u679d + \u68c0\u7d22\u589e\u5f3a\u5fae\u8c03\uff0c\u663e\u8457\u63d0\u5347\u5927\u8bed\u8a00\u6a21\u578b\u751f\u6210\u89e3\u91ca\u7684\u51c6\u786e\u6027\u3001\u8bed\u4e49\u8d28\u91cf\u4e0e\u7a33\u5b9a\u6027\uff1a<\/p>\n\n\n\n<ul 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