{"id":4323,"date":"2025-11-13T10:09:38","date_gmt":"2025-11-13T02:09:38","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=4323"},"modified":"2025-11-13T10:09:38","modified_gmt":"2025-11-13T02:09:38","slug":"202511%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-proprag-guiding-retrieval-with-beam-search-over-proposition-paths","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202511%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-proprag-guiding-retrieval-with-beam-search-over-proposition-paths\/","title":{"rendered":"202511\u8bba\u6587\u7814\u8bfb-PropRAG: Guiding Retrieval with Beam Search over Proposition Paths"},"content":{"rendered":"\n

\u6838\u5fc3\u5185\u5bb9<\/h1>\n\n\n\n
    \n
  1. \u4f5c\u8005\u8ba4\u4e3a\uff0c\u77e5\u8bc6\u56fe\u8c31\u4e09\u5143\u7ec4\u662f\u4e00\u79cd\u8fc7\u5ea6\u538b\u7f29\u7684\u77e5\u8bc6\u8868\u793a\u5f62\u5f0f\uff0c\u8fd9\u79cd\u8fc7\u5ea6\u538b\u7f29\u5bfc\u81f4\u4e86\u7ec6\u8282\u5927\u91cf\u4e22\u5931\uff0c\u4e0d\u5229\u4e8e RAG\uff1b<\/li>\n\n\n\n
  2. \u4e8e\u662f\u4f5c\u8005\u63d0\u51fa\u4e00\u79cd\u7528\u547d\u9898\u66ff\u4ee3\u4e09\u5143\u7ec4\u6765\u8fde\u63a5\u5b9e\u4f53\u7684\u65b9\u6848\uff0c\u5373\u547d\u9898\u5185\u90e8\u7684\u6240\u6709\u5b9e\u4f53\u7684\u5173\u7cfb\u7531\u547d\u9898\u672c\u8eab\u5b9a\u4e49\uff1b\u800c\u51fa\u73b0\u5728\u591a\u4e2a\u547d\u9898\u4e4b\u95f4\u7684\u5b9e\u4f53\u53ef\u4ee5\u5c06\u591a\u4e2a\u547d\u9898\u4e4b\u95f4\u7684\u5b9e\u4f53\u8054\u7cfb\u8d77\u6765\uff1b<\/li>\n\n\n\n
  3. \u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd PageRank \u7ed3\u5408\u96c6\u675f\u641c\u7d22\u7684\u4e24\u9636\u6bb5\u68c0\u7d22\u65b9\u6848\u6765\u5728\u8fd9\u6837\u7684\u547d\u9898\u56fe\u8c31\u4e0a\u6267\u884c\u641c\u7d22\uff0c\u8fd9\u4e2a\u641c\u7d22\u65b9\u6848\u662f\u4e0d\u9700\u8981 LLM \u53c2\u4e0e\u7684\uff1b<\/li>\n\n\n\n
  4. \u5b9e\u9a8c\u8868\u660e PropRAG \u5728\u591a\u4e2a\u6570\u636e\u96c6\u4e0a\u83b7\u5f97\u4e86 SOTA \u6c34\u51c6\u3002<\/li>\n<\/ol>\n\n\n\n

    \u80cc\u666f<\/h1>\n\n\n\n
      \n
    1. \u975e\u7ed3\u6784\u5316\u7684 RAG \u65b9\u6cd5\u5ffd\u7565\u4e86\u8bc1\u636e\u6587\u672c\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u5bfc\u81f4\u5176\u5728\u591a\u6b65\u63a8\u7406\u95ee\u9898\u4e0a\u8868\u73b0\u4e0d\u4f73\uff1b\u800c\u7ed3\u6784\u5316\u7684 RAG \uff0c\u5c24\u5176\u662f\u57fa\u4e8e\u77e5\u8bc6\u56fe\u8c31<\/a>\u7684 RAG \u53c8\u628a\u4fe1\u606f\u538b\u7f29\u6210\u4e86\u4e09\u5143\u7ec4\uff0c\u8fd9\u5176\u4e2d\u7684\u4fe1\u606f\u635f\u5931\u592a\u5927\u4e86\u3002\u5c24\u5176\u662f\u4e0a\u4e0b\u6587\u4fe1\u606f\u57fa\u672c\u4e0a\u5168\u90e8\u4e22\u5931\u4e86\uff1b\u5176\u4ed6\u7684\u57fa\u4e8e LLM \u7684\u641c\u7d22\u65b9\u6cd5\u53c8\u8981\u591a\u6b21\u8c03\u7528 LLM\uff0c\u5bfc\u81f4\u6548\u7387\u5341\u5206\u611f\u4eba\uff0c\u800c\u4e14\u53ef\u80fd\u5b58\u5728\u5185\u90e8\u7684\u4e0d\u4e00\u81f4\u6027\uff1b<\/li>\n\n\n\n
    2. \u672c\u6587\u7684\u6838\u5fc3\u6d1e\u89c1\uff1a\n
        \n
      1. \u4ece\u4e09\u5143\u7ec4\u8f6c\u5411\u66f4\u65b0\u7684\u77e5\u8bc6\u8868\u793a\u65b9\u6cd5\u6765\u66f4\u597d\u5730\u4fdd\u5b58\u4e0a\u4e0b\u6587\uff1b<\/li>\n\n\n\n
      2. \u4ece\u9690\u5f0f\u7684\u8bc4\u4f30\u6bcf\u4e2a\u7ed3\u70b9\uff0c\u8f6c\u5411\u663e\u5f0f\u3001\u9ad8\u6548\u5730\u53d1\u73b0\u63a8\u7406\u8def\u5f84\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n
      3. \u4f5c\u8005\u63d0\u51fa\u4e86 PropRAG\uff0c\u5176\uff1a\n
          \n
        1. \u5c06\u547d\u9898\uff08\u539f\u5b50\u3001\u72ec\u7acb\u7684\u9648\u8ff0\uff09\u66ff\u4ee3\u77e5\u8bc6\u56fe\u8c31\u6765\u4fdd\u5b58\u4e0a\u4e0b\u6587\u4fe1\u606f\uff1b<\/li>\n\n\n\n
        2. \u901a\u8fc7\u57fa\u4e8e\u96c6\u675f\u641c\u7d22<\/a>\u7684\u4e24\u9636\u6bb5\u68c0\u7d22\uff0c\u53d1\u73b0\u4e92\u8054\u7684\u547d\u9898\u8def\u5f84\u5e76\u4e14\u8bc4\u5206\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n

          \u65b9\u6cd5\u8bba<\/h1>\n\n\n\n

          \u53e6\u4e00\u79cd\u547d\u9898\u56fe\u8c31<\/h2>\n\n\n\n
          \"\"<\/figure>\n\n\n\n

          \u8fd9\u91cc\u7684\u547d\u9898\u662f\u4e00\u6bb5\u72ec\u7acb\u3001\u539f\u5b50\u7684\u5e76\u4e14\u53ef\u80fd\u6d89\u53ca\u8d85\u8fc7\u4e24\u4e2a\u5b9e\u4f53\u7684\u9648\u8ff0\uff0c\u5982\u679c\u4e24\u4e2a\u547d\u9898\u6d89\u53ca\u76f8\u540c\u7684\u5b9e\u4f53\uff0c\u5c31\u4f1a\u88ab\u8ba4\u4e3a\u662f\u8fde\u63a5\u8d77\u6765\u7684\u3002\u6bd4\u5982\u56fe\u4e2d\u692d\u5706\u8868\u793a\u547d\u9898\uff0c\u542b\u6709\u76f8\u540c\u8bed\u4e49\u5b9e\u4f53\u7684\u547d\u9898\u4f1a\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n\n\n\n

          \n

          \u8fd9\u4e2a\u547d\u9898\u56fe\u8c31\u5219\u662f\u4e00\u4e2a\u7528\u547d\u9898\u8fde\u63a5\u8d77\u6765\u7684\u5b9e\u4f53\u56fe<\/strong>\u3002\u547d\u9898\u5e76\u975e\u56fe\u7ed3\u70b9\uff0c\u547d\u9898\u4e4b\u95f4\u53ea\u6709\u5f62\u5f0f\u4e0a\u7684\u8054\u7cfb\u3002\u76f8\u6bd4\u800c\u8a00\uff0c\u8fd9\u7bc7\u6587\u7ae0\u63d0\u51fa\u7684\u65b9\u6848\u7ecf\u9a8c\u8272\u5f69\u6781\u91cd\uff0c\u7b26\u5408 emnlp \u8fd9\u4e2a\u4f1a\u8bae\u7684\u540d\u5b57\uff08\u81ea\u7136\u8bed\u8a00\u5904\u7406\u7684\u7ecf\u9a8c\u65b9\u6cd5\uff09\uff1b\u800c\u524d\u8005\u5219\u7406\u6027\u8272\u5f69\u504f\u591a\u3002<\/p>\n<\/blockquote>\n\n\n\n

          \u5728\u8fd9\u6837\u7684\u547d\u9898\u56fe\u8c31\u4e2d\uff0c\u9876\u70b9\u662f\u548c\u77e5\u8bc6\u56fe\u8c31\u4e00\u6837\u7684\u5b9e\u4f53\uff0c\u53ea\u6709\u4e24\u79cd\u8fb9\uff1a<\/p>\n\n\n\n

            \n
          1. \u9876\u70b9\u5f52\u5c5e\u4e8e\u540c\u4e00\u4e2a\u547d\u9898<\/li>\n\n\n\n
          2. \u9876\u70b9\u7684\u8bed\u4e49\u76f8\u540c\uff08\u7528 embedding \u5224\u5b9a\uff09<\/li>\n<\/ol>\n\n\n\n
            \"\"<\/figure>\n\n\n\n

            \u68c0\u7d22\u6d41\u7a0b<\/h2>\n\n\n\n

            \u7ed9\u5b9a\u4e00\u4e2a\u95ee\u9898 $q$\uff0c\u5bfb\u627e\u8bc1\u636e\uff1a<\/p>\n\n\n\n

              \n
            1. \u7528 embedding \u627e\u51fa\u4e00\u7ec4\u548c $q$ \u76f8\u4f3c\u5ea6\u6700\u9ad8\u7684\u547d\u9898 $P_1, P_2, \\dots, P_k$<\/li>\n\n\n\n
            2. \u547d\u9898\u4e2d\u7684\u5b9e\u4f53\u88ab\u62bd\u53d6\u51fa\u6765\uff0c\u7ec4\u6210\u4e86\u521d\u59cb\u79cd\u5b50\u5b9e\u4f53 $S_{initial}=\\bigcup_{i=0}^{k}\\mathcal{E}(P_{i})$<\/li>\n\n\n\n
            3. \u4f7f\u7528 Personalized PageRank<\/a> \u8ba1\u7b97\u5b9e\u4f53\u7684\u6743\u503c\uff0cPPR \u4e2d\u7684\u521d\u59cb\u5316\u96c6\u5408\u8bbe\u4e3a $S_{initial}$\uff0c\u963b\u5c3c\u7cfb\u6570\u8bbe\u4e3a 0.75 \u6765\u5f3a\u8c03\u8054\u7cfb\u7684\u4f5c\u7528<\/li>\n\n\n\n
            4. \u7136\u540e\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6bcf\u4e2a passage \u7684\u6743\u503c\uff08\u53ef\u80fd\u662f passage \u5185\u6240\u6709\u5b9e\u4f53\u6743\u503c\u7684\u548c\uff0c\u6ca1\u8bb2\uff09\uff0c\u53d6 topk \u4e4b\u540e\u5220\u53bb\u56fe\u4e2d topk \u4e4b\u5916 passages \u7684\u5b9e\u4f53\u548c\u547d\u9898\uff0c\u5f97\u5230\u5b50\u56fe $G_{sub}$<\/li>\n<\/ol>\n\n\n\n

              \u7136\u540e\u5c31\u5230\u4e86\u7b2c\u4e8c\u9636\u6bb5\uff1a<\/p>\n\n\n\n

                \n
              1. \u5bf9\u547d\u9898\u6267\u884c\u96c6\u675f\u641c\u7d22<\/a>\n
                  \n
                1. \u4ece\u548c $q$ topk \u8bed\u4e49\u76f8\u4f3c\u7684\u547d\u9898\u5f00\u59cb<\/li>\n\n\n\n
                2. \u62d3\u5c55\uff1a\u63d0\u5230\u76f8\u540c\u5b9e\u4f53\u7684\u547d\u9898\u88ab\u770b\u4f5c\u76f8\u8fde\u7684\uff0c\u4f9d\u636e\u8fd9\u4e2a\u8fdb\u884c\u641c\u7d22<\/li>\n\n\n\n
                3. \u8bc4\u4f30\uff1a\u547d\u9898\u8def\u5f84\u62fc\u63a5\u8d77\u6765\uff0c\u548c\u95ee\u9898 $q$ \u8ba1\u7b97 embedding \u76f8\u4f3c\u5ea6\uff0c\u53d6\u6700\u9ad8\u7684\u4e00\u7ec4<\/li>\n<\/ol>\n<\/li>\n\n\n\n
                4. \u4f18\u5316\u8fc7\u7684 $S_{final}$ \u96c6\u5408\uff1a\u5305\u542b\u4e00\u5f00\u59cb\u7684 $S_{initial}$ \u548c\u96c6\u675f\u641c\u7d22\u5f97\u51fa\u7684\u8def\u5f84\u7684\u4e2d\u5fc3\u5b9e\u4f53\uff08\u53ef\u80fd\u662f\u6240\u6709\u5b9e\u4f53\uff09<\/li>\n\n\n\n
                5. \u7528 $S_{final}$ \u518d\u6765\u4e00\u6b21 Personalized PageRank<\/a>\uff0c\u4f7f\u7528\u66f4\u4f4e\u7684\u963b\u5c3c\u7cfb\u6570 0.45<\/li>\n\n\n\n
                6. \u5bf9\u6240\u6709 passage \u8fdb\u884c\u91cd\u6392\u5e8f\uff0c\u9009\u53d6\u6700\u597d\u7684\u4e00\u7ec4\u4f5c\u4e3a\u8bc1\u636e\u652f\u6301 LLM \u505a\u51fa\u56de\u7b54<\/li>\n<\/ol>\n\n\n\n

                  \u5b9e\u9a8c<\/h1>\n\n\n\n
                  \"\"<\/figure>\n\n\n\n
                  \"\"<\/figure>\n\n\n\n

                  \u7ed3\u8bba<\/h1>\n\n\n\n
                    \n
                  1. \u8fd9\u7bc7\u6587\u7ae0\u6279\u5224\u4e86\u4f20\u7edf RAG \u4ee5\u53ca\u4f20\u7edf\u7684\u7ed3\u6784\u5316 RAG \u7684\u7f3a\u9677\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u7f3a\u9677\uff0c\u4ed6\u53d1\u660e\u4e86\u4e00\u4e2a\u547d\u9898\u56fe\u8c31\u3002\u4e00\u65b9\u9762\u547d\u9898\u76f8\u540c\u7684\u5b9e\u4f53\u8fde\u63a5\u8d77\u6765\u4e86\uff0c\u53e6\u4e00\u65b9\u9762\u542b\u6709\u76f8\u540c\u5b9e\u4f53\u7684\u547d\u9898\u4e5f\u8fde\u63a5\u8d77\u6765\uff1b\u7136\u540e\u5728\u8fd9\u4e0a\u9762\u641c\u7d22\u8bc1\u636e\uff1b<\/li>\n\n\n\n
                  2. \u8fd9\u7bc7\u6587\u7ae0\u63d0\u51fa\u4e86\u4e00\u4e2a\u57fa\u4e8e\u96c6\u675f\u641c\u7d22<\/a>\u7684\u641c\u7d22\u7b97\u6cd5\uff0c\u901a\u8fc7 PageRank<\/a> \u548c\u96c6\u675f\u641c\u7d22\u7684\u4e24\u9636\u6bb5\u68c0\u7d22\u6765\u7b5b\u9009\u51fa\u4e00\u7ec4 passage \u6765\u652f\u6301 LLM \u56de\u7b54\uff1b\u641c\u7d22\u65b9\u6848\u662f\u5b8c\u5168 LLM-free \u7684\uff0c\u6548\u7387\u5f88\u9ad8\uff1b<\/li>\n\n\n\n
                  3. \u5b9e\u9a8c\u8bc1\u660e PropRAG \u5728\u591a\u4e2a\u6570\u636e\u96c6\u4e0a\u83b7\u5f97\u4e86 SOTA \u6c34\u5e73<\/li>\n<\/ol>\n\n\n\n

                    \u542f\u53d1\u4e0e\u8bc4\u4ef7<\/h1>\n\n\n\n
                      \n
                    1. \u4f5c\u8005\u6279\u5224\u4e86\u4f20\u7edf\u57fa\u4e8e\u4e09\u5143\u7ec4\u7684\u77e5\u8bc6\u56fe\u8c31\u5728\u77e5\u8bc6\u8868\u793a\u4e0a\u5b58\u5728\u7684\u7f3a\u9677\uff0c\u4f5c\u8005\u5f3a\u8c03\u4e09\u5143\u7ec4\u662f\u4e00\u79cd\u8fc7\u5ea6\u538b\u7f29\u7684\u4fe1\u606f\u5f62\u5f0f\uff0c\u635f\u5931\u4e86\u6761\u4ef6\u3001\u6765\u6e90\u3001\u4ee5\u53ca\u591a\u5143\u5173\u7cfb\u7b49\u5173\u952e\u4fe1\u606f\uff1b<\/li>\n\n\n\n
                    2. \u4f5c\u8005\u7ed9\u51fa\u7684\u89e3\u51b3\u65b9\u6848\u662f\u901a\u8fc7\u547d\u9898\u6765\u5c06\u5b9e\u4f53\u6982\u5ff5\u8fde\u63a5\u8d77\u6765\uff0c\u540c\u65f6\u5305\u542b\u76f8\u540c\u5b9e\u4f53\u7684\u547d\u9898\u88ab\u770b\u4f5c\u662f\u76f8\u8fde\u7684\uff0c\u6240\u4ee5\u8fd9\u4ecd\u7136\u662f\u4e00\u79cd\u5b9e\u4f53\u56fe\uff0c\u5b9e\u4f53\u56fe\u7684\u8fb9\u7c7b\u578b\u662f\u300c\u51fa\u73b0\u5728\u540c\u547d\u9898\u4e2d\u300d\u4ee5\u53ca\u300c\u8bed\u4e49\u76f8\u4f3c\u300d\uff1b<\/li>\n\n\n\n
                    3. \u8fd9\u4e00\u79cd\u547d\u9898\u56fe\u8c31\u53ef\u4ee5\u770b\u4f5c\u4e00\u79cd\u7528\u4e86\u6bd4\u4e09\u5143\u7ec4\u66f4\u52a0\u5bbd\u677e\u7684\u5f62\u5f0f\u8fde\u63a5\u5b9e\u4f53\u7684\u77e5\u8bc6\u56fe\u8c31\uff0c\u8fd9\u79cd\u66f4\u5bbd\u677e\u7684\u5f62\u5f0f\u89e3\u51b3\u4e86\u4e09\u5143\u7ec4\u8fc7\u5ea6\u538b\u7f29\u7684\u95ee\u9898\uff1b<\/li>\n\n\n\n
                    4. \u8fd9\u7bc7\u6587\u7ae0\u63d0\u51fa\u7684\u662f\u4e00\u79cd\u6587\u6863\u7d22\u5f15\u65b9\u6cd5\uff0c\u5176\u6838\u5fc3\u662f PageRank\uff1b\u4e0d\u8fc7\u6211\u5e76\u4e0d\u89c9\u5f97\u8fd9\u79cd\u547d\u9898\u8fb9\u7ec4\u6210\u7684\u56fe\u8c31\u670d\u4ece PageRank \u9700\u8981\u7684\u300c\u94fe\u63a5\u8d8a\u591a\u8d8a\u91cd\u8981\u300d\u7684\u5047\u8bbe\u3002\u5e76\u4e14\u672c\u6587\u7684\u6d88\u878d\u5b9e\u9a8c\u6ca1\u6709\u63a2\u7a76\u8fd9\u4e00\u70b9\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

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