{"id":53729,"date":"2025-02-16T14:17:22","date_gmt":"2025-02-16T06:17:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53729\/"},"modified":"2025-02-16T14:17:22","modified_gmt":"2025-02-16T06:17:22","slug":"8%e4%b8%aa%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2%e7%9a%84%e5%b8%b8%e8%a7%81%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53729\/","title":{"rendered":"8\u4e2a\u5411\u91cf\u641c\u7d22\u7684\u5e38\u89c1\u9519\u8bef"},"content":{"rendered":"<p>\u5411\u91cf\u641c\u7d22\u5728\u7eb8\u4e0a\u770b\u8d77\u6765\u5f88\u7b80\u5355\u2014\u2014\u5c06\u4e00\u4e9b\u5d4c\u5165\u653e\u5165\u6570\u636e\u5e93\uff0c\u67e5\u8be2\u5b83\u4eec\uff0c\u7136\u540e\u5c31\u5f97\u5230\u4e86\u7ed3\u679c\u3002\u4f46\u4e00\u65e6\u4f60\u4ece\u7231\u597d\u9879\u76ee\u8dc3\u5347\u5230\u5b9e\u9645\u5e94\u7528\uff0c\u4f60\u4f1a\u53d1\u73b0\u201c\u9b54\u6cd5\u201d\u53d8\u6210\u4e86\u4e00\u4e2a\u5145\u6ee1\u7206\u70b8\u6027\u4e91\u8d26\u5355\u3001\u5947\u602a\u5e7b\u89c9\u548c\u5b8c\u5168\u9519\u5931\u76ee\u6807\u7684\u96f7\u533a\u3002\u6211\u89c1\u8fc7\u56e2\u961f\u5728\u201c\u4f18\u5316\u201d\u7684\u7ba1\u9053\u4e0a\u82b1\u8d39\u6570\u5468\u65f6\u95f4\uff0c\u6700\u7ec8\u5374\u88ab\u540c\u6837\u7684\u95ee\u9898\u57cb\u4f0f\uff1a\u5ef6\u8fdf\u98d9\u5347\u3001\u4e0d\u76f8\u5173\u7684\u7247\u6bb5\u548c\u6210\u672c\u9ad8\u5f97\u65e0\u6cd5\u8bc1\u660e\u5176\u5408\u7406\u6027\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u53cd\u590d\u770b\u5230\u7684\u516b\u4e2a\u9677\u9631\u2014\u2014\u7279\u522b\u662f\u90a3\u4e9b\u6ca1\u6709\u8ba1\u5212\u5c31\u6269\u5c55\u5411\u91cf\u641c\u7d22\u7684\u56e2\u961f\u3002\u6211\u8fd8\u5c06\u7ed9\u4f60\u5b9e\u7528\u7b56\u7565\u6765\u907f\u5f00\u8fd9\u4e9b\u9677\u9631\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\u3001\u91d1\u94b1\u548c\u5927\u91cf\u7684\u538b\u529b\u3002<\/p>\n<h2>1\u3001\u4e00\u5f00\u59cb\u5c31\u5ffd\u7565\u8bc4\u4f30<\/h2>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u662f\u4e2a\u95ee\u9898<\/strong><\/p>\n<p>\u4f60\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u82b1\u54e8\u7684\u5d4c\u5165\u641c\u7d22\uff0c\u4f46\u5f88\u5feb\u53d1\u73b0\u6709\u4e9b\u67e5\u8be2\u5931\u8d25\u4e86\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u6210\u529f\u4e86\u2014\u2014\u800c\u4e14\u4f60\u4e0d\u77e5\u9053\u539f\u56e0\u3002\u8fd9\u6b63\u662f\u5f53\u4f60\u8df3\u5165\u5411\u91cf\u641c\u7d22\u65f6\u6ca1\u6709\u4e00\u4e2a\u9002\u5f53\u7684\u8bc4\u4f30\u6846\u67b6\u6240\u53d1\u751f\u7684\u60c5\u51b5\u3002\u4f60\u65e0\u6cd5\u4fee\u590d\u4f60\u65e0\u6cd5\u6d4b\u91cf\u7684\u4e1c\u897f\u3002<\/p>\n<p><strong>\u5e94\u8be5\u600e\u4e48\u505a<\/strong><\/p>\n<ul>\n<li><strong>\u521b\u5efa\u4e00\u4e2a\u5c0f\u800c\u53ef\u9760\u7684\u8bc4\u4f30\u96c6<\/strong>\uff1a\u5373\u4f7f\u53ea\u670950-100\u4e2a\u5e26\u6807\u7b7e\u7684\u67e5\u8be2\u4e5f\u8db3\u4ee5\u63ed\u793a\u5de8\u5927\u7684\u5dee\u8ddd\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6807\u51c6\u6307\u6807<\/strong>\uff1aNDCG\u3001MRR\u3001\u53ec\u56de\u7387\u2014\u2014\u968f\u4fbf\u4ec0\u4e48\u3002\u5148\u4ece\u67d0\u6837\u4e1c\u897f\u5f00\u59cb\uff0c\u7136\u540e\u9010\u6b65\u5b8c\u5584\u5b83\u3002<\/li>\n<li><strong>\u76d1\u63a7\u6539\u8fdb\u60c5\u51b5<\/strong>\uff1a\u6bcf\u6b21\u8c03\u6574\u5206\u5757\u6216\u5207\u6362\u5d4c\u5165\u65f6\uff0c\u518d\u6b21\u8fd0\u884c\u8bc4\u4f30\u3002<\/li>\n<\/ul>\n<p>\u8bb8\u591a\u56e2\u961f\u5bf9\u9ad8\u7ea7\u5206\u5757\u6280\u672f\u6216\u201c\u4e0a\u4e0b\u6587\u68c0\u7d22\u201d\uff0c\u751a\u81f3\u77e5\u8bc6\u56fe\u8c31\u7b49\u611f\u5230\u5174\u594b\uff0c\u4f46\u5bf9\u8fd9\u4e9b\u66f4\u6539\u662f\u5426\u771f\u7684\u6709\u5e2e\u52a9\u4e00\u65e0\u6240\u77e5\u3002\u8bc4\u4f30\u53ef\u4ee5\u8ba9\u4f60\u6446\u8131\u731c\u6d4b\u3002<\/p>\n<h2>2\u3001\u5ffd\u7565\u6df7\u5408\u641c\u7d22<\/h2>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u662f\u4e2a\u95ee\u9898<\/strong><\/p>\n<p>\u4ec5\u4f9d\u8d56\u5d4c\u5165\u76f8\u4f3c\u6027\u53ef\u80fd\u4f1a\u9519\u8fc7\u660e\u663e\u7684\u5173\u952e\u8bcd\u5339\u914d\u3002\u5982\u679c\u4f60\u7684\u5d4c\u5165\u672a\u9488\u5bf9\u7279\u5b9a\u9886\u57df\u8fdb\u884c\u8c03\u4f18\u2014\u2014\u6216\u8005\u7528\u6237\u67e5\u8be2\u7684\u662f\u7f55\u89c1\u672f\u8bed\u2014\u2014\u7cfb\u7edf\u53ef\u80fd\u4f1a\u5931\u8d25\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6807\u51c6\u7684\u5173\u952e\u8bcd\u641c\u7d22\uff08\u5982BM25\uff09\u672c\u53ef\u4ee5\u6355\u6349\u5230\u8fd9\u4e9b\u5185\u5bb9\u3002<\/p>\n<p><strong>\u5e94\u8be5\u600e\u4e48\u505a<\/strong><\/p>\n<ul>\n<li><strong>\u7ed3\u5408\u5d4c\u5165\u548c\u5173\u952e\u8bcd\u641c\u7d22<\/strong>\uff1a\u6df7\u5408\u641c\u7d22\u5c06\u57fa\u4e8e\u5411\u91cf\u548c\u57fa\u4e8e\u5173\u952e\u8bcd\u7684\u7ed3\u679c\u5408\u5e76\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ec\u56de\u7387<\/strong>\uff1a\u8fd9\u79cd\u65b9\u6cd5\u5728\u8bb8\u591a\u5411\u91cf\u6570\u636e\u5e93\u4e2d\u5f88\u5bb9\u6613\u5b9e\u73b0\uff08\u4f8b\u5982\uff0c \u53ef\u4ee5\u5728\u540c\u4e00\u5f20\u8868\u4e2d\u5b58\u50a8 BM25 \u548c\u5411\u91cf\u7d22\u5f15\uff09\u3002<\/li>\n<li><strong>\u91cd\u65b0\u6392\u5e8f\u7ec4\u5408\u7ed3\u679c<\/strong>\uff1a\u8fd4\u56de\u4e24\u79cd\u65b9\u6cd5\u7684\u9876\u7ea7\u7ed3\u679c\uff0c\u5e76\u8ba9\u91cd\u6392\u5e8f\u5668\u51b3\u5b9a\u6700\u7ec8\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p>\u8d8a\u6765\u8d8a\u591a\u7684\u56e2\u961f\u53ea\u4f7f\u7528\u5d4c\u5165\uff0c\u5374\u60f3\u77e5\u9053\u4e3a\u4ec0\u4e48\u7b80\u5355\u7684\u67e5\u8be2\u88ab\u5ffd\u7565\u4e86\u3002\u672a\u7ecf\u5fae\u8c03\u7684\u5d4c\u5165\u901a\u5e38\u5728\u975e\u6807\u51c6\u6570\u636e\u96c6\u4e0a\u7684\u8868\u73b0\u6bd4\u7b80\u5355\u7684 BM25 \u5173\u952e\u8bcd\u641c\u7d22\u66f4\u5dee\u3002\u8fd9\u5c31\u662f\u6df7\u5408\u641c\u7d22\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u2014\u2014\u901a\u8fc7\u7ed3\u5408\u5d4c\u5165\u548c\u5173\u952e\u8bcd\u641c\u7d22\uff0c\u4f60\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u53ec\u56de\u7387\u800c\u4e0d\u727a\u7272\u5ef6\u8fdf\u3002\u8fd9\u662f\u6539\u8fdb\u5411\u91cf\u641c\u7d22\u7ba1\u9053\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u6df7\u5408\u641c\u7d22\u5b9e\u9645\u5e94\u7528\u7684\u4f8b\u5b50\uff1a<\/p>\n<p>  \u6df7\u5408\u641c\u7d22\u793a\u610f\u56fe <\/p>\n<h2>3\u3001\u8fc7\u5ea6\u4f18\u5316\uff08\u5c24\u5176\u662f\u5728\u6ca1\u6709\u8bc4\u4f30\u7684\u60c5\u51b5\u4e0b\uff09<\/h2>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u662f\u4e2a\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u5efa\u7acb\u660e\u786e\u57fa\u51c6\u4e4b\u524d\uff0c\u5f88\u5bb9\u6613\u88ab\u67d0\u4e9b\u70ab\u76ee\u7684\u65b0\u68c0\u7d22\u6280\u672f\u5438\u5f15\u3002\u5982\u679c\u4f60\u65e0\u6cd5\u8861\u91cf\u5f71\u54cd\uff0c\u4f60\u5c31\u4e0d\u4f1a\u77e5\u9053\u5b83\u662f\u5426\u6709\u6548\u3002<\/p>\n<p><strong>\u5e94\u8be5\u600e\u4e48\u505a<\/strong><\/p>\n<ol>\n<li><strong>\u8bbe\u5b9a\u57fa\u51c6<\/strong>\uff1a\u4e00\u4e2a\u597d\u7684\u8d77\u70b9\u901a\u5e38\u662f\u6df7\u5408\u641c\u7d22\u52a0\u4e0a\u4e00\u4e2a\u5c0f\u7684\u91cd\u6392\u5e8f\u5668\u3002<\/li>\n<li><strong>\u8861\u91cf\u6548\u679c<\/strong>\uff1a\u5728\u4f60\u7684\u6807\u6ce8\u96c6\u5408\u4e0a\u8fdb\u884c\u8bc4\u4f30\u3002<\/li>\n<li><strong>\u9010\u6b65\u5f15\u5165\u53d8\u5316<\/strong>\uff1a\u770b\u770b\u6027\u80fd\u662f\u5426\u771f\u6b63\u6709\u6240\u6539\u5584\u3002<\/li>\n<\/ol>\n<p>\u5982\u679c\u60a8\u7684\u7ba1\u9053\u975e\u5e38\u590d\u6742\uff08\u4f7f\u7528\u50cf LlamaIndex \u8fd9\u6837\u7684\u5de5\u5177\u5f88\u5bb9\u6613\u521b\u5efa\u590d\u6742\u7684\u7ba1\u9053\uff09\uff0c\u60a8\u53ef\u80fd\u6700\u597d\u4ece\u5934\u5f00\u59cb\u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 RAG \u7ba1\u9053\u3002<\/p>\n<p>\u770b\u770b LlamaIndex \u4e2d\u7684\u6240\u6709\u68c0\u7d22\u5668\uff01\u5982\u679c\u6ca1\u6709\u8bc4\u4f30\uff0c\u4f60\u6c38\u8fdc\u4e0d\u77e5\u9053\u5b83\u4eec\u662f\u5426\u771f\u7684\u5728\u5de5\u4f5c\uff08\u6539\u5584\u4f60\u7684\u641c\u7d22\u7ed3\u679c\uff09\u3002<\/p>\n<p>  Llamaindex \u68c0\u7d22\u5668 <\/p>\n<p>\u5373\u4f7f\u662f\u665a\u5206\u5757\u8fd9\u6837\u7684\u7b80\u5355\u6280\u672f\uff0c\u901a\u5e38\u53ef\u4ee5\u5728\u51e0\u4e4e\u6ca1\u6709\u5de5\u4f5c\u7684\u60c5\u51b5\u4e0b\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u53ef\u80fd\u964d\u4f4e\u7ed3\u679c\u8d28\u91cf\u3002\u4f46\u6700\u7cdf\u7cd5\u7684\u4e8b\u60c5\u662f\u4f60\u82b1\u4e86\u51e0\u5929\u65f6\u95f4\u5728\u590d\u6742\u7684\u65b9\u6cd5\u4e0a\uff08\u6211\u7ecf\u5e38\u770b\u5230\u4eba\u4eec\u770b\u5230\u65b0\u7684\u7814\u7a76\u540e\u8ba4\u4e3a\u201c\u6211\u9700\u8981\u5c1d\u8bd5\u8fd9\u4e2a\u201d\uff09\uff0c\u5374\u53d1\u73b0\u4ed6\u4eec\u7684\u6027\u80fd\u6bd4\u7b2c\u4e00\u5929\u8fd8\u5dee\uff0c\u65e0\u8bba\u662f\u5ef6\u8fdf\u8fd8\u662f\u53ec\u56de\u7387\u3002<\/p>\n<p>\u59cb\u7ec8\u8fdb\u884c\u8861\u91cf\uff0c\u5f53\u4e0d\u786e\u5b9a\u65f6\uff0c\u7b80\u5316\u3002<\/p>\n<h2>4\u3001\u4e0d\u91cf\u5316\u5d4c\u5165<\/h2>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u662f\u4e2a\u95ee\u9898<\/strong><\/p>\n<p>3000\u7ef4\u7684\u5d4c\u5165\u5728\u5f00\u59cb\u65f6\u53ef\u80fd\u5f88\u597d\u7528\uff0c\u4f46\u4e00\u65e6\u8fbe\u5230\u6570\u5343\u4e07\u4e2a\u5d4c\u5165\uff0c\u5185\u5b58\u6210\u672c\u5c31\u4f1a\u98d9\u5347\u3002\u8fc7\u5ea6\u7684\u5d4c\u5165\u4e5f\u4f1a\u51cf\u6162\u67e5\u8be2\u901f\u5ea6\u5e76\u589e\u52a0\u4f60\u7684\u4e91\u8d26\u5355\u3002<\/p>\n<p><strong>\u5e94\u8be5\u600e\u4e48\u505a<\/strong><\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u91cf\u5316<\/strong>\uff1a\u50cf Matryoshka \u8868\u5f81\u5b66\u4e60\uff08MRL\uff09\u6216\u4e8c\u8fdb\u5236\u91cf\u5316\u8fd9\u6837\u7684\u6280\u672f\u53ef\u4ee5\u5c06\u5d4c\u5165\u7f29\u5c0f\uff0c\u800c\u635f\u5931\u6700\u5c0f\u3002<\/li>\n<li><strong>\u5c1d\u8bd5 64D \u6216 128D<\/strong>\uff1a\u7279\u522b\u662f\u5982\u679c\u4f60\u6709\u8d85\u8fc7 2-3 \u767e\u4e07\u4e2a\u5411\u91cf\u3002\u4f60\u53ef\u80fd\u51e0\u4e4e\u5bdf\u89c9\u4e0d\u5230\u53ec\u56de\u7387\u7684\u4e0b\u964d\uff0c\u4f46\u4f60\u4f1a\u660e\u663e\u770b\u5230\u6210\u672c\u7684\u4e0b\u964d\u3002<\/li>\n<li><strong>\u4f9d\u9760\u91cd\u6392\u5e8f<\/strong>\uff1a\u7b2c\u4e00\u9636\u6bb5\u7684\u68c0\u7d22\u53ef\u4ee5\u201c\u8db3\u591f\u597d\u201d\uff0c\u5982\u679c\u4f60\u7528\u66f4\u51c6\u786e\u7684\u65b9\u6cd5\u5bf9\u524d N \u4e2a\u7ed3\u679c\u8fdb\u884c\u91cd\u6392\u5e8f\u3002<\/li>\n<li><strong>\u8003\u8651\u4e8c\u8fdb\u5236\u91cf\u5316<\/strong>\uff1a\u4e8c\u8fdb\u5236\u91cf\u5316\u901a\u5e38\u4e0e\u5176\u4ed6\u6280\u672f\uff08\u5982 MRL\uff09\u5f88\u597d\u5730\u7ed3\u5408\uff0c\u4f46\u8981\u786e\u4fdd\u4f60\u7684\u6a21\u578b\u80fd\u5f88\u597d\u5730\u4e0e\u4e4b\u914d\u5408\uff01<\/li>\n<\/ul>\n<p>\u6211\u66fe\u4e0e\u5f00\u53d1\u4eba\u5458\u4ea4\u8c08\u8fc7\uff0c\u4ed6\u4eec\u6bcf\u6708\u652f\u4ed8 100 \u591a\u7f8e\u5143\u7528\u4e8e\u4e00\u4e2a\u53ea\u80fd\u5bb9\u7eb3 100 \u4e07\u4e2a 1536 \u7ef4\u5411\u91cf\u7684\u65e0\u670d\u52a1\u5668\u6570\u636e\u5e93\u3002\u6211\u8fd8\u4e0e\u5de5\u7a0b\u5e08\u4ea4\u8c08\u8fc7\uff0c\u4ed6\u4eec\u8ba4\u4e3a\u4ed6\u4eec\u9700\u8981 3000 \u7ef4\u624d\u80fd\u5728 PDF \u4e0a\u83b7\u5f97\u826f\u597d\u7684\u641c\u7d22\u3002\u6211\u53ef\u4ee5\u5411\u4f60\u4fdd\u8bc1\uff0c\u4f60\u4e0d\u9700\u8981\u8fd9\u6837\u505a\u3002\u5c06\u7ef4\u5ea6\u5207\u6362\u4e3a 64D \u6216 128D \u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u5b58\u50a8\u548c CPU 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100 \u4e07\u4e2a\u5411\u91cf\u7684\u63a8\u8350\u7cfb\u7edf\uff0c\u8fd8\u662f\u4e3a\u5927\u578b\u4f01\u4e1a\u77e5\u8bc6\u5e93\u6269\u5c55\u5230 1 \u4ebf\u4e2a\u5411\u91cf\uff0c\u8bb0\u4f4f\u8fd9\u4e9b\u9519\u8bef\u548c\u4fee\u590d\u63aa\u65bd\uff1a<\/p>\n<ol>\n<li><strong>\u5c3d\u65e9\u6dfb\u52a0\u8bc4\u4f30<\/strong>\uff0c\u4ee5\u4fbf\u8ddf\u8e2a\u5b9e\u9645\u8fdb\u5c55\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6df7\u5408\u641c\u7d22<\/strong>\uff0c\u4ee5\u6355\u6349\u8bed\u4e49\u548c\u7cbe\u786e\u5339\u914d\u3002<\/li>\n<li><strong>\u4e0d\u8981\u8fc7\u5ea6\u4f18\u5316<\/strong>\uff0c\u5728\u6ca1\u6709\u6570\u636e\u652f\u6301\u7684\u60c5\u51b5\u4e0b\u5f15\u5165\u590d\u6742\u7684 RAG 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500 \u4e07\u4e2a\uff0c\u4f60\u901a\u5e38\u53ef\u4ee5\u5728\u78c1\u76d8\u4e0a\u4ee5 64D \u5b58\u50a8\u5d4c\u5165\uff0c\u4fdd\u6301\u6240\u6709\u5185\u5bb9\u5728\u514d\u8d39\u7684 \u4e91\u5c42\u4e0b\uff0c\u5e76\u4e14\u4ecd\u7136\u83b7\u5f97 &lt;200 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