{"id":1614,"date":"2024-02-18T17:40:46","date_gmt":"2024-02-18T09:40:46","guid":{"rendered":"https:\/\/refusea.com\/?p=1614"},"modified":"2024-02-19T10:15:41","modified_gmt":"2024-02-19T02:15:41","slug":"%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%bc%80%e5%8f%91%e5%ae%9e%e6%88%98-rag","status":"publish","type":"post","link":"https:\/\/refusea.com\/?p=1614","title":{"rendered":"\u5927\u6a21\u578b\u5f00\u53d1\u5b9e\u6218 RAG"},"content":{"rendered":"<h2>\u6838\u5fc3\u6982\u5ff5<\/h2>\n<h3>RAG<\/h3>\n<p>RAG\uff0cRetrieval-Augmented Generation\uff0c\u5373\u68c0\u7d22\u589e\u5f3a\u751f\u6210\u3002<\/p>\n<p>\u5927\u6a21\u578b\u662f\u4e2a\u751f\u6210\u6a21\u578b\uff0c\u4ed6\u662f\u57fa\u4e8e\u65e2\u6709\u77e5\u8bc6\u6765\u751f\u6210\u56de\u7b54\u7684\u3002\u5982\u679c\u6211\u4eec\u95ee\u4e00\u4e9b\u5728\u4ed6\u65e2\u6709\u77e5\u8bc6\u9886\u57df\u4ee5\u5916\u7684\u95ee\u9898\uff0c\u4ed6\u4e5f\u8bb8\u4f1a\u627f\u8ba4\u4e0d\u77e5\u9053\uff0c\u4f46\u66f4\u53ef\u80fd\u4f1a\u80e1\u8a00\u4e71\u8bed\uff0c\u8fd8\u5f02\u5e38\u81ea\u4fe1\uff0c\u597d\u50cf\u4ed6\u5f88\u61c2\u4e00\u6837\u3002<\/p>\n<p>\u53ef\u80fd\u4f60\u4f1a\u95ee\uff0c\u660e\u77e5\u9053\u4ed6\u4e0d\u61c2\uff0c\u4f60\u95ee\u4ed6\u5e72\u561b\uff1f<br \/>\n\u597d\u95ee\u9898\uff0c\u8fd9\u5c31\u6d89\u53ca\u5230\u5927\u6a21\u578b\u7684\u80fd\u529b\u4e86\uff0c\u9664\u4e86\u77e5\u8bc6\uff0c\u4ed6\u8fd8\u6709\u201c\u667a\u6167\u201d\uff0c\u4ed6\u80fd\u5b66\u4e60\uff0c\u5b66\u4e60\u4e86\u81ea\u5df1\u4e0d\u61c2\u7684\u77e5\u8bc6\u4ee5\u540e\uff0c\u4ed6\u80fd\u6bd4\u666e\u901a\u4eba\u66f4\u5feb\u66f4\u597d\u7684\u5229\u7528\u8fd9\u4e9b\u77e5\u8bc6\u3002<\/p>\n<p>RAG \u5c31\u662f\u628a\u4e00\u4e9b\u53ef\u80fd\u662f\u7b54\u6848\u7684\u77e5\u8bc6\u548c\u95ee\u9898\u4e00\u8d77\u7ed9\u4ed6\uff0c\u8ba9\u4ed6\u81ea\u884c\u5224\u65ad\u54ea\u4e9b\u77e5\u8bc6\u662f\u95ee\u9898\u7684\u6b63\u786e\u7b54\u6848\uff0c\u5e76\u7ec4\u7ec7\u8bed\u8a00\uff0c\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u628a\u8fd9\u4e9b\u77e5\u8bc6\u63d0\u524d\u6559\u7ed9\u4ed6\uff0c\u8fd9\u6837\u4ed6\u5c31\u662f\u5728\u65e2\u6709\u77e5\u8bc6\u91cc\u56de\u7b54\u95ee\u9898\u4e86\u3002\u5bf9\u5927\u6a21\u578b\u8fdb\u884c\u5fae\u8c03\u53ef\u4ee5\u8fbe\u6210\u8fd9\u4e2a\u76ee\u6807\uff0c\u4e0d\u8fc7\u5176\u6295\u5165\u7684\u6210\u672c\u6bd4 RAG \u5927\u5f97\u591a\uff0c\u7ecf\u6d4e\u4e0a\u53ef\u80fd\u4e0d\u5212\u7b97\u3002<\/p>\n<h3>\u6587\u672c\u5411\u91cf<\/h3>\n<p>embedding \u662f\u5927\u6a21\u578b\u9886\u57df\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u4e5f\u5f88\u96be\u7406\u89e3\u3002<\/p>\n<p>\u6211\u81ea\u5df1\u7684\u7406\u89e3\uff0c\u6240\u8c13 embedding\uff0c\u5c31\u662f\u5c06\u6570\u636e\uff08\u6587\u672c\u3001\u56fe\u7247\u3001\u89c6\u9891\u3001&#8230;&#8230;\uff09\u8f6c\u6362\u4e3a N \u7ef4\u5411\u91cf\uff08\u8bf4\u4eba\u8bdd\uff0c\u5c31\u662f\u4e00\u4e2a\u5b9e\u6570\u6570\u7ec4\uff0cN \u662f\u6570\u7ec4\u7684\u957f\u5ea6\uff09\uff0c<font color='red'>\u5d4c\u5165<\/font>\u5230\u4e00\u4e2a N \u7ef4\u7684\u5411\u91cf\u7a7a\u95f4\u53bb\u3002\u5728\u8fd9\u4e2a\u7a7a\u95f4\u91cc\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5411\u91cf\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u7528\u4ee5\u8868\u793a\u4ed6\u4eec\u662f\u5426\u76f8\u4f3c\u3002<\/p>\n<p>\u5927\u6a21\u578b\u5904\u7406\u7684\u662f\u81ea\u7136\u8bed\u8a00\uff0c\u4e5f\u5c31\u662f\u6587\u672c\uff0c\u6240\u4ee5 word embedding \u5c31\u662f\u5c06\u6587\u672c\u5411\u91cf\u5316\u3002<\/p>\n<p>\u6587\u672c\u5411\u91cf\u5316\u4ee5\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u6839\u636e\u8ddd\u79bb\u627e\u5230\u76f8\u4f3c\u7684\u6587\u672c\u4e86\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4f60\u8f93\u5165\u4e86\u5355\u8bcd\u201c\u9999\u8549\u201d\u8fdb\u884c\u641c\u7d22\u3002\u5019\u9009\u7684\u7ed3\u679c\u662f\u201c\u82f9\u679c\u201d\uff0c\u201c\u79e6\u9999\u83b2\u201d<\/p>\n<ul>\n<li>\u641c\u7d22\u5f15\u64ce\u53ef\u80fd\u8fd4\u56de\u201c\u79e6\u9999\u83b2\u201d\uff0c\u56e0\u4e3a\u90fd\u6709\u4e2a\u201c\u9999\u201d\u5b57\u3002<\/li>\n<li>\u5411\u91cf\u6570\u636e\u5e93\u66f4\u53ef\u80fd\u7ed9\u4f60\u8fd4\u56de\u201c\u82f9\u679c\u201d\uff0c\u56e0\u4e3a\u4ed6\u4eec\u90fd\u662f\u6c34\u679c\uff0c\u5728\u5411\u91cf\u7a7a\u95f4\u91cc\u8ddd\u79bb\u6bd4\u8f83\u8fd1\u3002<\/li>\n<\/ul>\n<h3>\u68c0\u7d22<\/h3>\n<p>\u73b0\u5728\u6709\u4e00\u4e9b\u5927\u6a21\u578b\u7684\u5e94\u7528\uff0c\u81ea\u5e26\u8054\u7f51\u641c\u7d22\u529f\u80fd\uff0c\u5f53\u4f60\u7684\u95ee\u9898\u8d85\u51fa\u4e86\u4ed6\u7684\u65e2\u6709\u77e5\u8bc6\uff0c\u4ed6\u53ef\u4ee5\u81ea\u884c\u8c03\u7528\u641c\u7d22\u5f15\u64ce\uff0c\u9605\u8bfb\u641c\u7d22\u5f15\u64ce\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u5e76\u6839\u636e\u8fd9\u4e9b\u7ed3\u679c\u6765\u751f\u6210\u7b54\u6848\u3002<\/p>\n<p>\u8fd9\u662f\u201c\u641c\u7d22\u589e\u5f3a\u751f\u6210\u201d\uff0c\u800c\u641c\u7d22\u4e5f\u53ef\u4ee5\u7b97\u68c0\u7d22\u7684\u4e00\u79cd\uff0c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u8bf4\uff0c\u8fd9\u4e5f\u7b97\u662f RAG\u3002\u4e0d\u8fc7\uff0c\u8fd9\u79cd RAG \u6709 2 \u4e2a\u95ee\u9898<\/p>\n<ul>\n<li>\u4f60\u7684\u95ee\u9898\uff0c\u641c\u7d22\u5f15\u64ce\u4e5f\u53ef\u80fd\u6ca1\u6709\u7b54\u6848<\/li>\n<li>\u641c\u7d22\u5f15\u64ce\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u4ec5\u4ec5\u662f\u5b57\u9762\u4e0a\u7684\u5339\u914d\uff0c\u4e0d\u80fd\u641c\u7d22\u5230\u5230\u903b\u8f91\u4e0a\u76f8\u4f3c\uff0c\u4f46\u5b57\u9762\u4e0d\u540c\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p>\u72ed\u4e49\u6765\u8bf4\uff0c\u641c\u7d22\u5f15\u64ce\u7684\u641c\u7d22\uff0c\u5e76\u4e0d\u88ab\u5f53\u4f5c RAG \u91cc\u7684 R\uff0c\u5f53\u6211\u4eec\u8bf4 RAG \u65f6\uff0c\u4e00\u822c\u662f\u6307\u7684\u57fa\u4e8e\u5411\u91cf\u4e4b\u95f4\u76f8\u4f3c\u6027\u7684\u68c0\u7d22\u589e\u5f3a\uff0c\u4e0d\u5305\u62ec\u8fd9\u79cd\u641c\u7d22\u589e\u5f3a\u3002<\/p>\n<h3>RAG \u6d41\u7a0b<\/h3>\n<ul>\n<li>\u6570\u636e\u51c6\u5907\n<ul>\n<li>\u8fd9\u4e00\u6b65\u662f\u5c06\u5927\u6a21\u578b\u65e2\u6709\u9886\u57df\u4ee5\u5916\u7684\u77e5\u8bc6\uff0c\u5411\u91cf\u5316\u5e76\u5b58\u50a8\u5230\u5411\u91cf\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n<li>RAG\n<ul>\n<li>\u5f53\u7528\u6237\u53d1\u8d77\u4e00\u4e2a\u95ee\u9898\u65f6\uff0c\u9996\u5148\u5c06\u7528\u6237\u7684\u95ee\u9898\u5411\u91cf\u5316\uff0c\u7136\u540e\u5230\u5411\u91cf\u6570\u636e\u5e93\u91cc\u67e5\u627e\u76f8\u4f3c\u7684\u5411\u91cf\uff0c\u6839\u636e\u6570\u636e\u5e93\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u83b7\u5f97\u539f\u59cb\u7684\u6587\u672c<\/li>\n<li>\u5c06\u68c0\u7d22\u5f97\u5230\u7684\u539f\u59cb\u6587\u672c\u4f5c\u4e3a\u77e5\u8bc6\uff0c\u52a0\u4e0a\u7528\u6237\u7684\u95ee\u9898\uff0c\u53d1\u9001\u7ed9\u5927\u6a21\u578b\uff0c\u8ba9\u5927\u6a21\u578b\u57fa\u4e8e\u77e5\u8bc6\u56de\u7b54\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u5b9e\u6218<\/h2>\n<p>\u6211\u4eec\u6765\u505a\u4e00\u4e2a RAG \u7684\u5e94\u7528\uff0c\u4f53\u4f1a\u4e00\u4e0b\u3002<\/p>\n<h3>\u9700\u6c42<\/h3>\n<p>\u8fd9\u4e2a\u5e94\u7528\u5462\uff0c\u662f\u4e00\u4e2a\u5c0f\u8bf4\u63a8\u7406\u673a\u5668\u4eba\uff0c\u5b83\u80fd\u6839\u636e\u5c0f\u8bf4\u7684\u5185\u5bb9\u8fdb\u884c\u63a8\u7406\u5e76\u8fd4\u56de\u7b54\u6848\u3002\u5c0f\u8bf4\u5462\uff0c\u6211\u9009\u62e9\u8fdf\u5b50\u5efa\u8001\u5e08\u7684\u77ed\u7bc7\u5c0f\u8bf4\u300a\u4e00\u7f50\u732a\u6cb9\u300b\u3002<\/p>\n<h3>\u6280\u672f\u9009\u578b<\/h3>\n<ul>\n<li>\u5927\u6a21\u578b\n<ul>\n<li>\u667a\u8c31\u7684 GLM-4\uff0c\u6211\u4e4b\u524d\u5df2\u7ecf\u8bc4\u6d4b\u8fc7\u4ed6\u662f\u5f53\u524d\u56fd\u4ea7\u5927\u6a21\u578b\u6027\u4ef7\u6bd4\u4e4b\u9009\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5982\u4f55\u628a\u6587\u672c\u5411\u91cf\u5316\n<ul>\n<li>\u667a\u8c31\u7684 embedding-2 \u5411\u91cf\u6a21\u578b\uff0c\u652f\u6301\u5c06\u4e0d\u8d85\u8fc7 512 \u4e2a\u5b57\u7b26\u7684\u6587\u672c embedding \u6210 1024 \u7ef4\u7684\u5411\u91cf\u3002\u65e2\u7136\u7528\u4e86\u667a\u8c31\u7684\u5927\u6a21\u578b\uff0c\u90a3\u4e48\u987a\u4fbf\u4f7f\u7528\u667a\u8c31\u7684\u5411\u91cf\u6a21\u578b\u4e5f\u662f\u987a\u7406\u6210\u7ae0\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5411\u91cf\u6570\u636e\u5e93\n<ul>\n<li>\u6211\u9009\u7528 milvus\uff0c\u4f60\u53ef\u4ee5\u4e0b\u8f7d\u5176 docker \u955c\u50cf\u5b89\u88c5\u4e00\u4e2a\uff0c\u4e0d\u8fc7 milvus \u4e5f\u63d0\u4f9b\u4e91\u670d\u52a1\uff0c\u6ce8\u518c\u4ee5\u540e\u53ef\u4ee5\u521b\u5efa\u514d\u8d39\u7684\u4e91\u7aef\u6570\u636e\u5e93\uff0c\u4f7f\u7528 restapi \u8fdb\u884c\u589e\u5220\u6539\u67e5\uff0c\u975e\u5e38\u65b9\u4fbf\u3002\u6211\u8fd9\u91cc\u91c7\u7528 milvus \u7684\u4e91\u6570\u636e\u5e93\u3002\u5730\u5740\u5728 <a href=\"https:\/\/cloud.zilliz.com\/\">https:\/\/cloud.zilliz.com\/<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u5b9e\u9645\u4f53\u9a8c<\/h3>\n<p>\u8fd9\u4e2a\u5e94\u7528\u6211\u5df2\u7ecf\u5b9e\u73b0\u4e86\uff0c\u4f53\u9a8c\u5730\u5740 <a href=\"https:\/\/read.refusea.com\/pan.html\">https:\/\/read.refusea.com\/pan.html<\/a><\/p>\n<p>\u4e0b\u56fe\u663e\u793a\u4e86\u4ed6\u7684\u4f53\u9a8c\u6548\u679c<br \/>\n<img decoding=\"async\" src=\"https:\/\/static.refusea.com\/2024\/02\/pan.png\" alt=\"\" \/><\/p>\n<h2>\u4e00\u4e9b\u4f53\u4f1a<\/h2>\n<h3>\u6587\u6863\u5207\u7247<\/h3>\n<p>\u5728\u51c6\u5907\u9636\u6bb5\uff0c\u8981\u5c06\u5c0f\u8bf4\u4fdd\u5b58\u5230\u5411\u91cf\u6570\u636e\u5e93\uff0c\u800c embedding-2 \u6a21\u578b\u6700\u591a\u53ea\u652f\u6301 512 \u4e2a\u5b57\u7b26\u7684\u5411\u91cf\u5316\u3002\u6240\u4ee5\u6211\u4eec\u53ea\u80fd\u628a\u5c0f\u8bf4\u5207\u7247\uff0c\u6bcf\u4e00\u7247\u4e0d\u8d85\u8fc7 512 \u4e2a\u5b57\u7b26\u3002<\/p>\n<p>\u8fd9\u5c31\u5e26\u4e86\u4e86\u7b2c\u4e00\u4e2a\u95ee\u9898\uff1a\u5982\u4f55\u5207\u7247\uff1f<br \/>\n\u6211\u6700\u521d\u662f\u6bcf 500 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