{"id":3894,"date":"2025-09-15T14:21:29","date_gmt":"2025-09-15T06:21:29","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=3894"},"modified":"2025-09-24T19:44:58","modified_gmt":"2025-09-24T11:44:58","slug":"202509-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-the-curious-case-of-contexts-in-retrieval-augmented-generation-with-a-combination-of-labeled-and-unlabeled-data","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202509-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-the-curious-case-of-contexts-in-retrieval-augmented-generation-with-a-combination-of-labeled-and-unlabeled-data\/","title":{"rendered":"202509 \u8bba\u6587\u7814\u8bfb-The Curious Case of Contexts in Retrieval-Augmented Generation With a Combination of Labeled and Unlabeled Data"},"content":{"rendered":"\n

\u6765\u6e90\uff1aWIREs Data Mining and Knowledge Discovery
\u4f5c\u8005\uff1aPayel Santra\u7b49
\u5355\u4f4d\uff1aIndian Association for the Cultivation of Science\uff0cUniversity of Glasgow\uff0cJadavpur University
\u53d1\u8868\u65f6\u95f4\uff1a2025\u5e744\u6708<\/p>\n\n\n\n

\u4e00\u3001\u7814\u7a76\u80cc\u666f<\/strong><\/h2>\n\n\n\n

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\u4e8c\u3001\u6838\u5fc3\u5185\u5bb9<\/strong><\/h2>\n\n\n\n

\u6587\u7ae0\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u65b9\u6cd5\uff08LU-RAG\uff09\uff0c\u5176\u52a8\u6001\u6574\u5408\u5df2\u6807\u8bb0\u7684\u6570\u636e\u548c\u672a\u6807\u8bb0\u7684\u6570\u636e\u6765\u751f\u6210\u6709\u6548\u7684\u4e0a\u4e0b\u6587\uff0c\u4ee5\u63d0\u9ad8LLMs\u7684\u5e94\u7528\u6027\u80fd\u3002<\/p>\n\n\n\n

    \n
  • \u91cd\u65b0\u8ba1\u7b97\u524dk\u4e2a\u6807\u8bb0\u5b9e\u4f8b\u548c\u524dm\u4e2a\u672a\u6807\u8bb0\u6bb5\u843d\u7684\u5f97\u5206\uff0c\u4ee5\u6539\u8fdb\u4e0a\u4e0b\u6587\u9009\u62e9<\/li>\n\n\n\n
  • L-RAG\uff1a\u7ed3\u5408\u76f8\u4f3c\u6807\u8bb0\u6570\u636e\u4e0e\u95ee\u9898\uff0c\u4f5c\u4e3a\u5b9e\u4f8b\u63d0\u793a\u7ed9LLMs<\/li>\n\n\n\n
  • U-RAG\uff1a\u68c0\u7d22\u51fa\u95ee\u9898\u76f8\u5173\u8bc1\u636e\u6bb5\u843d\uff0c\u4f5c\u4e3a\u4e0a\u4e0b\u6587\u63d0\u793a\u7ed9LLMs<\/li>\n\n\n\n
  • LU-RAG\uff1a\u4f7f\u7528\u5355\u72ec\u7684\u8d85\u53c2\u6570\u6765\u63a7\u5236\u8f93\u5165\u5230LLMs\u7684\u4fe1\u606f\u91cf\uff0ck\u63a7\u5236\u5b9e\u4f8b\u6570\u91cf\uff0cm\u63a7\u5236\u8bc1\u636e\u6570\u91cf\uff0c\u800c\u4f7f\u7528\u03b1\u548cM\u63a7\u5236\u4e24\u79cd\u65b9\u6cd5\u4ee5\u4e0d\u540c\u6bd4\u4f8b\u7ec4\u5408\uff08k=(1-\u03b1)M, m=\u03b1M\uff09<\/li>\n<\/ul>\n\n\n\n

    \u4e09\u3001\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n
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    • \u4ece\u6807\u8bb0\u8bad\u7ec3\u96c6\u4e2d\u68c0\u7d22top-k\u4e2a\u76f8\u4f3c\u6837\u672c\uff0c\u4ece\u5916\u90e8\u77e5\u8bc6\u5e93\u4e2d\u68c0\u7d22top-m\u4e2a\u76f8\u5173\u6bb5\u843d\uff0c\u4f7f\u7528\u8d85\u53c2\u6570\u03b1\u548cM\u6765\u63a7\u5236\u4e24\u7c7b\u4e0a\u4e0b\u6587\u6bd4\u91cd<\/li>\n\n\n\n
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    • \u901a\u8fc7\u8ba1\u7b97\u8f93\u5165\u6587\u672c\u548c\u6bcf\u4e2a\u4e0a\u4e0b\u6587\u7684\u5bc6\u96c6\u5411\u91cf\u5d4c\u5165\u4e4b\u95f4\u7684\u4f59\u5f26\u76f8\u4f3c\u5ea6\uff0c\u6700\u540e\u6839\u636e\u8ba1\u7b97\u5f97\u51fa\u7684\u4f59\u5f26\u76f8\u4f3c\u5ea6\u5bf9\u68c0\u7d22\u5230\u7684\u6587\u4ef6\u6392\u5e8f<\/li>\n\n\n\n
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      \u5bf9\u6bd4\u5b9e\u9a8c\uff1a
      \u5bf9\u6570\u636e\u96c6\u7684\u5904\u7406\u65b9\u6cd5\uff1aZero-shot\uff0c\u4ec5\u63d0\u4f9b\u4efb\u52a1\u6307\u4ee4\u548c\u5e26\u9884\u6d4b\u7684\u8f93\u5165\uff1bL-RAG\uff0c\u4ec5\u4f7f\u7528\u4ece\u8bad\u7ec3\u96c6\u4e2d\u68c0\u7d22\u5230\u7684\u6807\u6ce8\u793a\u4f8b\uff1bU-RAG\uff0c\u4ec5\u4f7f\u7528\u4ece\u7ef4\u57fa\u767e\u79d1\u4e2d\u68c0\u7d22\u5230\u7684\u672a\u6807\u6ce8\u8bc1\u636e\uff1bLU-RAG\uff0c\u878d\u5408L-RAG\u548cU-RAG\uff0c\u8bbe\u7f6e\u03b1\u4e3a0.5\uff1bLU-RAG-GS\uff0c\u5728\u9a8c\u8bc1\u96c6\u4e0a\u5bf9\u8d85\u53c2\u6570 \u03b1 \u8fdb\u884c\u7f51\u683c\u641c\u7d22\uff0c\u627e\u5230\u6700\u4f18\u503c\u540e\u518d\u5728\u6d4b\u8bd5\u96c6\u4e0a\u8bc4\u4f30
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      \u4e94\u3001\u5b9e\u9a8c\u7ed3\u679c<\/strong><\/h2>\n\n\n\n
      \"\"
      FEVER\u6570\u636e\u96c6\u5b9e\u9a8c\u7ed3\u679c<\/figcaption><\/figure>\n\n\n\n
      \"\"
      SST2\u6570\u636e\u96c6\u5b9e\u9a8c\u7ed3\u679c<\/figcaption><\/figure>\n\n\n\n
        \n
      • LU-RAG\u80fd\u591f\u6709\u6548\u5730\u5229\u7528\u6807\u8bb0\u548c\u672a\u6807\u8bb0\u7684\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u597d\u7684\u68c0\u7d22\uff0c\u66f4\u5f3a\u7684\u77e5\u8bc6\u57fa\u7840\u548c\u589e\u5f3a\u7684\u4e0a\u4e0b\u6587\u5229\u7528<\/li>\n\n\n\n
      • \u5148\u8fdb\u884c\u7a00\u758f\u68c0\u7d22\u518d\u8fdb\u884c\u7a20\u5bc6\u68c0\u7d22\u6bd4\u5355\u5355\u8fdb\u884c\u7a00\u758f\u68c0\u7d22\u6548\u679c\u597d<\/li>\n\n\n\n
      • \u76d1\u7763\u5b66\u4e60\u65b9\u6cd5\uff08RoBERTa, LLaMA-LoRA\uff09\u5728\u201c\u8bc1\u636e\u4e0d\u8db3\u201d\u7c7b\u522b\u4e0a\u8868\u73b0\u6781\u5dee\uff0c\u800cLLM-based\u65b9\u6cd5\uff08\u7279\u522b\u662fLU-RAG\uff09\u80fd\u66f4\u597d\u5730\u5904\u7406\u8fd9\u7c7b\u6a21\u7cca\u60c5\u51b5<\/li>\n\n\n\n
      • \u60c5\u611f\u5206\u7c7b\u7684\u8fd9\u79cd\u8868\u73b0\u8868\u660e\uff0c\u5916\u90e8\u80cc\u666f\u7684\u7ed3\u5408\u6709\u52a9\u4e8e\u6a21\u578b\u89e3\u91ca\u7ec6\u5fae\u7684\u60c5\u611f<\/li>\n\n\n\n
      • \u7f51\u683c\u641c\u7d22\u5e76\u975e\u603b\u662f\u6709\u6548\uff0c\u5728\u4e8b\u5b9e\u9a8c\u8bc1\u4efb\u52a1\u4e0a\u03b1=0.5\u6548\u679c\u6700\u597d\uff1b\u5728\u60c5\u611f\u5206\u7c7b\u91cc\u03b1=0.7\u5219\u80fd\u5e26\u6765\u5c0f\u5e45\u5ea6\u63d0\u5347<\/li>\n<\/ul>\n\n\n\n

        \u516d\u3001\u989d\u5916\u7684\u63a2\u7a76<\/strong><\/h2>\n\n\n\n

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        \u7ed3\u679c\u8868\u660e\u4e86LU-RAG-SEM\u65b9\u6cd5\u59cb\u7ec8\u4f18\u4e8eZero-shot\u57fa\u51c6\u7ebf\uff0c\u786e\u4fdd\u4e86\u6df7\u5408\u6846\u67b6\u7684\u901a\u7528\u6027\uff1b\u5bf9\u4e8e\u4e0d\u540c\u65b9\u6cd5\u5728LLAMA-2.0 7B\u4e0a\u8bc4\u5206\u9ad8\u4f4e\u53ef\u77e5\uff0c\u4e0d\u540c\u65b9\u6cd5\u5bf9\u68c0\u7d22\u5230\u7684\u4e0a\u4e0b\u6587\u6743\u91cd\u4e0d\u4e00\u6837\uff1b\u6570\u636e\u8fd8\u8868\u660eLU-RAG-GS-SEM\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u68c0\u7d22\u5e73\u8861<\/p>\n\n\n\n

        \"\"<\/figure>\n\n\n\n

        2.\u9519\u8bef\u5206\u6790<\/p>\n\n\n\n

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        \"\"
        \u4e8b\u5b9e\u9a8c\u8bc1\u7684\u9519\u8bef\u5206\u6790<\/figcaption><\/figure>\n\n\n\n
        \"\"
        \u60c5\u611f\u9a8c\u8bc1\u7684\u9519\u8bef\u5206\u6790<\/figcaption><\/figure>\n\n\n\n

        \u4e03\u3001\u603b\u7ed3<\/strong><\/h2>\n\n\n\n
          \n
        • \u8d21\u732e\uff1a\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u57fa\u4e8e\u878d\u5408\u7684\u65b9\u6cd5\uff0c\u6839\u636e\u8d85\u53c2\u6570\u03b1\u5c06\u8bad\u7ec3\u96c6\u7684\u6807\u8bb0\u5b9e\u4f8b\u4e0e\u5916\u90e8\u6587\u6863\u7684\u672a\u6807\u8bb0\u6570\u636e\u7ed3\u5408\uff0c\u540c\u65f6\u5229\u7528\u591a\u9636\u6bb5\u6392\u540d\u5668\u4e3aLLM\u6536\u96c6\u66f4\u591a\u76f8\u5173\u7684\u4e0a\u4e0b\u6587<\/li>\n\n\n\n
        • \u5c40\u9650\u6027\uff1a\u867d\u7136\u63d0\u9ad8\u4e86\u68c0\u7d22\u8d28\u91cf\uff0c\u4f46\u4ecd\u7136\u672a\u80fd\u6d88\u9664\u8bef\u5bfc\u6027\u8bc1\u636e\u7684\u6b67\u4e49<\/li>\n\n\n\n
        • \u672a\u6765\u65b9\u5411\uff1a\u5e0c\u671b\u80fd\u81ea\u9002\u5e94\u8c03\u6574\u6807\u8bb0\u6570\u636e\u548c\u672a\u6807\u8bb0\u6570\u636e\u7684\u6bd4\u4f8b\uff1b\u5229\u7528\u56fe\u63a8\u7406\u6216\u5f3a\u5316\u5b66\u4e60\uff0c\u8fdb\u884c\u66f4\u6df1\u523b\u66f4\u9ad8\u6548\u7684\u68c0\u7d22\u4e0e\u6574\u5408\u8fdb\u4e00\u6b65\u589e\u5f3a\u6a21\u578b\u7684\u6027\u80fd<\/li>\n<\/ul>\n\n\n\n

          <\/p>\n","protected":false},"excerpt":{"rendered":"

          \u6765\u6e90\uff1aWIREs Data Mining and Knowledge Discovery\u4f5c\u8005\uff1aPayel&nb […]<\/p>\n","protected":false},"author":74,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3894","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/3894","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\/74"}],"replies":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/comments?post=3894"}],"version-history":[{"count":6,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/3894\/revisions"}],"predecessor-version":[{"id":4094,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/3894\/revisions\/4094"}],"wp:attachment":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/media?parent=3894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/categories?post=3894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/tags?post=3894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}