{"id":18127,"date":"2025-01-11T20:33:55","date_gmt":"2025-01-11T12:33:55","guid":{"rendered":"https:\/\/www.aisharenet.com\/?p=18127"},"modified":"2025-01-11T20:33:55","modified_gmt":"2025-01-11T12:33:55","slug":"retrieval","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/de\/retrieval\/","title":{"rendered":"Retrieval\uff1a\u4ec0\u4e48\u662fRetrieval\uff1f\u89e3\u91caRAG\u4e2d\u5e38\u89c1\u7684&#8221;\u68c0\u7d22&#8221;\u6280\u672f"},"content":{"rendered":"<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<p><span class=\"ng-star-inserted\">\u5728\u4fe1\u606f\u6280\u672f\u9886\u57df\uff0c<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u68c0\u7d22 (Retrieval)<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u6307\u7684\u662f\u4ece\u4e00\u4e2a\u5927\u578b\u6570\u636e\u96c6\uff08\u901a\u5e38\u662f\u6587\u6863\u3001\u7f51\u9875\u3001\u56fe\u50cf\u3001\u97f3\u9891\u3001\u89c6\u9891\u6216\u5176\u4ed6\u5f62\u5f0f\u7684\u4fe1\u606f\uff09\u4e2d\uff0c\u6839\u636e\u7528\u6237\u7684\u67e5\u8be2\u6216\u9700\u6c42\uff0c<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u9ad8\u6548\u5730\u5b9a\u4f4d\u548c\u63d0\u53d6\u76f8\u5173\u4fe1\u606f\u7684\u8fc7\u7a0b\u3002<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u5176\u6838\u5fc3\u76ee\u6807\u662f\u627e\u5230<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e0e\u7528\u6237\u9700\u6c42\u6700\u76f8\u5173\u7684\u4fe1\u606f<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u5e76\u5c06\u5176\u5448\u73b0\u7ed9\u7528\u6237\u3002<\/span><\/p>\n<ul>\n<li><strong>\u67e5\u8be2\uff08Query\uff09<\/strong>\uff1a\u7528\u6237\u8f93\u5165\u7684\u641c\u7d22\u8bcd\u6216\u6761\u4ef6\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff08Index\uff09<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u68c0\u7d22\u6548\u7387\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\u7684\u4e00\u79cd\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<li><strong>\u76f8\u5173\u6027\uff08Relevance\uff09<\/strong>\uff1a\u68c0\u7d22\u7ed3\u679c\u4e0e\u67e5\u8be2\u7684\u5339\u914d\u7a0b\u5ea6\u3002<\/li>\n<\/ul>\n<blockquote><p>\u57fa\u4e8e\u6784\u5efa\u5927\u6a21\u578b\u77e5\u8bc6\u5e93\u7684RAG\u65b9\u6848\u4e2d\uff0c\u5f80\u5f80\u4e0d\u4f7f\u7528\u4e00\u79cd&#8221;\u68c0\u7d22&#8221;\u6280\u672f\uff0c\u4f8b\u5982\u5e38\u7528\u7684\uff1a\u7a00\u758f+\u5bc6\u96c6\u6df7\u5408\u68c0\u7d22\u3002\u68c0\u7d22\u6280\u672f\u9009\u578b\u8981\u4e0e\u88ab\u68c0\u7d22\u5185\u5bb9\u7cbe\u5fc3\u9002\u914d\uff0c\u8fd9\u9700\u8981\u7ecf\u8fc7\u5927\u91cf\u7684\u8c03\u8bd5\u3002<\/p><\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-18129\" title=\"Retrieval\uff1a\u8bb2\u89e3RAG\u4e2d\u5e38\u89c1\u7684\\\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584.png\" alt=\"Retrieval\uff1a\u8bb2\u89e3RAG\u4e2d\u5e38\u89c1\u7684\\\" width=\"830\" height=\"482\" srcset=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584.png 1174w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584-300x174.png 300w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584-1024x595.png 1024w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584-768x446.png 768w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1b13307ecae8584-18x10.png 18w\" sizes=\"auto, (max-width: 830px) 100vw, 830px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u4e3b\u6d41Retrieval\u6a21\u578b<\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Retrieval\u6a21\u578b\u4e3b\u8981\u5206\u7c7b\uff1a\u5e03\u5c14\u6a21\u578b\u3001\u5411\u91cf\u7a7a\u95f4\u6a21\u578b\u3001\u6982\u7387\u6a21\u578b\u3001\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\u3001\u56fe\u6a21\u578b\uff08\u4f8b\u5982\uff1a\u77e5\u8bc6\u56fe\u8c31\uff09\u3001\u8bed\u8a00\u6a21\u578b\uff08\u4f8b\u5982GPT3\uff09\u3002<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6211\u4eec\u53ef\u4ee5\u5c06\u4e3b\u6d41\u7684 Retrieval \u6a21\u578b\u201c\u7b80\u5355\u201d\u5206\u4e3a\u4e24\u5927\u7c7b\u4ecb\u7ecd\uff0c\u6838\u5fc3\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u5982\u4f55\u7406\u89e3\u548c\u5339\u914d\u6587\u672c\uff1a<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">1. \u57fa\u4e8e\u8bcd\u6c47\u7684\u5339\u914d (Lexical\/Keyword-based Matching):<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8fd9\u7c7b\u6a21\u578b\u4e3b\u8981\u5173\u6ce8\u67e5\u8be2\u548c\u6587\u6863\u4e2d<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5b57\u9762\u4e0a\u7684\u8bcd\u8bed\u5339\u914d<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u4e0d\u6df1\u5165\u7406\u89e3\u8bcd\u8bed\u80cc\u540e\u7684\u542b\u4e49\u3002<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6838\u5fc3\u601d\u60f3:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7edf\u8ba1\u8bcd\u8bed\u5728\u6587\u6863\u548c\u67e5\u8be2\u4e2d\u7684\u51fa\u73b0\u60c5\u51b5\uff0c\u5e76\u8fdb\u884c\u5339\u914d\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u8981\u6a21\u578b:<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5e03\u5c14\u6a21\u578b (Boolean Model):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7b80\u5355\u5730\u57fa\u4e8e\u5173\u952e\u8bcd\u662f\u5426\u5b58\u5728\u8fdb\u884c\u5339\u914d (AND, OR, NOT)\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5411\u91cf\u7a7a\u95f4\u6a21\u578b (Vector Space Model, VSM):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u5c06\u6587\u6863\u548c\u67e5\u8be2\u8868\u793a\u4e3a\u8bcd\u8bed\u6743\u91cd\u7684\u5411\u91cf\uff0c\u901a\u8fc7\u5411\u91cf\u76f8\u4f3c\u5ea6 (\u5982\u4f59\u5f26\u76f8\u4f3c\u5ea6) \u5339\u914d\u3002\u5e38\u7528\u6743\u91cd\u65b9\u6cd5\u662f TF-IDF\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">BM25:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4e00\u79cd\u57fa\u4e8e\u6982\u7387\u7edf\u8ba1\u7684\u6539\u8fdb\u6a21\u578b\uff0c\u8003\u8651\u4e86\u6587\u6863\u957f\u5ea6\u7b49\u56e0\u7d20\uff0c\u662f\u8bb8\u591a\u641c\u7d22\u5f15\u64ce\u7684\u57fa\u77f3\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4f18\u70b9:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7b80\u5355\u3001\u9ad8\u6548\uff0c\u6613\u4e8e\u5b9e\u73b0\u3002<\/span><br class=\"ng-star-inserted\" \/><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u7f3a\u70b9:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u65e0\u6cd5\u7406\u89e3\u8bcd\u8bed\u7684\u8bed\u4e49\u5173\u7cfb\uff0c\u5bb9\u6613\u53d7\u5230\u540c\u4e49\u8bcd\u3001\u591a\u4e49\u8bcd\u7b49\u95ee\u9898\u7684\u56f0\u6270\u3002<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">2. \u57fa\u4e8e\u8bed\u4e49\u7684\u5339\u914d (Semantic\/Meaning-based Matching):<\/span><\/h3>\n<blockquote><p>\u57fa\u4e8e\u8bed\u4e49\u7684\u5d4c\u5165\u6a21\u578b\uff0c\u9664\u4e86\u652f\u6301\u5d4c\u5165\u6587\u672c\u957f\u5ea6\u3001\u7ef4\u5ea6\u4e0d\u540c\u5916\uff0c\u4e0d\u540c\u5d4c\u5165\u6a21\u578b\u5bf9\u201d\u53e5\u5b50\u201c\u7684\u7406\u89e3\u65b9\u5f0f\u4e5f\u4e0d\u540c\uff0c\u8fd9\u662f\u9009\u62e9\u5d4c\u5165\u6a21\u578b\u9700\u8981\u4f18\u5148\u8003\u8651\u7684\u95ee\u9898\uff08\u867d\u7136\u5927\u591a\u6570\u90fd\u4f7f\u7528\u8f83\u4e3a\u901a\u7528\u7684\u6a21\u578b\uff09\u3002<\/p>\n<p>\u4f8b\u5982\u5355\u8bcd&#8221;\u82f9\u679c&#8221;\uff0c\u6709\u7684\u6a21\u578b\u8bed\u4e49\u4e0a\u4f18\u5148\u7406\u89e3\u4e3a&#8221;\u6c34\u679c&#8221;\uff0c\u6709\u7684\u6a21\u578b\u4f1a\u4f18\u5148\u7406\u89e3\u4e3a&#8221;\u624b\u673a&#8221;\u3002<\/p><\/blockquote>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8fd9\u7c7b\u6a21\u578b\u8bd5\u56fe\u7406\u89e3\u67e5\u8be2\u548c\u6587\u6863\u7684<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6df1\u5c42\u8bed\u4e49\u4fe1\u606f<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u8868\u9762\u7684\u8bcd\u8bed\u5339\u914d\u3002<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6838\u5fc3\u601d\u60f3:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u5c06\u6587\u672c\u6620\u5c04\u5230\u8bed\u4e49\u7a7a\u95f4\uff0c\u901a\u8fc7\u8bed\u4e49\u76f8\u4f3c\u5ea6\u8fdb\u884c\u5339\u914d\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u8981\u6a21\u578b:<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u9898\u6a21\u578b (Topic Models):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u6316\u6398\u6587\u6863\u7684\u6f5c\u5728\u4e3b\u9898\uff0c\u901a\u8fc7\u4e3b\u9898\u76f8\u4f3c\u5ea6\u68c0\u7d22 (\u4f8b\u5982 LDA)\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5d4c\u5165\u6a21\u578b (Embedding Models):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u5c06\u8bcd\u8bed\u3001\u53e5\u5b50\u6216\u6587\u6863\u6620\u5c04\u5230\u4f4e\u7ef4\u7a20\u5bc6\u7684\u5411\u91cf\u7a7a\u95f4\uff0c\u6355\u6349\u8bed\u4e49\u4fe1\u606f\u3002<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8bcd\u5d4c\u5165\u6a21\u578b (Word Embeddings):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f8b\u5982 Word2Vec, GloVe, FastText\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u53e5\u5b50\u5d4c\u5165\u6a21\u578b (Sentence Embeddings):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f8b\u5982 Sentence-BERT, <a href=\"https:\/\/www.kdjingpai.com\/en\/assemblyai\/\">Universal<\/a> Sentence Encoder,\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">OpenAI Embeddings<\/span><\/strong><span class=\"ng-star-inserted\">\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5bc6\u96c6\u68c0\u7d22\u6a21\u578b (Dense Retrieval Models):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f7f\u7528\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\uff08\u901a\u5e38\u662f Transformer\uff09\u5c06\u67e5\u8be2\u548c\u6587\u6863\u7f16\u7801\u4e3a\u9ad8\u7ef4\u5bc6\u96c6\u5411\u91cf\uff0c\u901a\u8fc7\u5411\u91cf\u76f8\u4f3c\u5ea6\u8fdb\u884c\u68c0\u7d22\u3002\u4f8b\u5982 DPR, Contriever\uff0c\u4ee5\u53ca\u57fa\u4e8e\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">OpenAI Embeddings<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u6784\u5efa\u7684\u68c0\u7d22\u7cfb\u7edf\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u795e\u7ecf\u7f51\u7edc\u4ea4\u4e92\u6a21\u578b (Neural Interaction Models):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u66f4\u7cbe\u7ec6\u5730\u5efa\u6a21\u67e5\u8be2\u548c\u6587\u6863\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u4f8b\u5982 ColBERT, RocketQA\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u56fe\u795e\u7ecf\u7f51\u7edc\u6a21\u578b (Graph Neural Network Models):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u5c06\u6587\u6863\u548c\u67e5\u8be2\u6784\u5efa\u6210\u56fe\uff0c\u5229\u7528\u56fe\u7ed3\u6784\u8fdb\u884c\u68c0\u7d22\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4f18\u70b9:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u80fd\u66f4\u597d\u5730\u7406\u89e3\u6587\u672c\u7684\u542b\u4e49\uff0c\u5904\u7406\u8bed\u4e49\u76f8\u5173\u6027\uff0c\u66f4\u51c6\u786e\u5730\u627e\u5230\u76f8\u5173\u4fe1\u606f\u3002<\/span><br class=\"ng-star-inserted\" \/><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u7f3a\u70b9:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u901a\u5e38\u66f4\u590d\u6742\uff0c\u8ba1\u7b97\u6210\u672c\u66f4\u9ad8\u3002<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5173\u952e\u533a\u522b\uff1a<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8bcd\u6c47\u5339\u914d\u6a21\u578b\u770b\u201c\u5b57\u9762\u201d<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u5173\u6ce8\u5173\u952e\u8bcd\u7684\u51fa\u73b0\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8bed\u4e49\u5339\u914d\u6a21\u578b\u770b\u201c\u610f\u601d\u201d<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u5173\u6ce8\u6587\u672c\u7684\u5185\u5728\u542b\u4e49\u548c\u5173\u7cfb\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u603b\u7ed3\u8868\u683c\uff1a<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5206\u7c7b<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6838\u5fc3\u601d\u60f3<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u8981\u6a21\u578b<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\"><a href=\"https:\/\/www.kdjingpai.com\/en\/rag\/\">RAG<\/a> \u4e2d\u7684\u5e94\u7528\u4fa7\u91cd<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u57fa\u4e8e\u8bcd\u6c47\u7684\u5339\u914d<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5b57\u9762\u4e0a\u7684\u8bcd\u8bed\u5339\u914d<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5e03\u5c14\u6a21\u578b, \u5411\u91cf\u7a7a\u95f4\u6a21\u578b (VSM), <a href=\"https:\/\/www.kdjingpai.com\/en\/bm25\/\">BM25<\/a><\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u65e9\u671f\u6216\u7b80\u5355\u573a\u666f<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u57fa\u4e8e\u8bed\u4e49\u7684\u5339\u914d<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u7406\u89e3\u6df1\u5c42\u8bed\u4e49\u4fe1\u606f<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u9898\u6a21\u578b, \u8bcd\u5d4c\u5165\u6a21\u578b, \u53e5\u5b50\u5d4c\u5165\u6a21\u578b (\u542b\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">OpenAI Embeddings<\/span><\/strong><span class=\"ng-star-inserted\">), \u5bc6\u96c6\u68c0\u7d22\u6a21\u578b (\u542b\u57fa\u4e8e\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">OpenAI Embeddings<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7684\u7cfb\u7edf), \u795e\u7ecf\u7f51\u7edc\u4ea4\u4e92\u6a21\u578b, \u56fe\u795e\u7ecf\u7f51\u7edc\u6a21\u578b<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u4e3b\u6d41\u9009\u62e9\uff0c\u5c24\u5176\u4fa7\u91cd\u53e5\u5b50\u5d4c\u5165\u548c\u5bc6\u96c6\u68c0\u7d22<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<h2>RAG\u4e2d\u7684\u5e94\u7528<\/h2>\n<p>RAG\uff08<strong>Retrieval<\/strong>-Augmented Generation\uff09<strong>\u662f\u4e00\u79cd\u7ed3\u5408\u4e86\u68c0\u7d22\u548c\u751f\u6210\u6280\u672f\u7684AI\u6846\u67b6\uff0c\u5176\u4e3b\u8981\u7528\u9014\u662f\u63d0\u9ad8\u751f\u6210\u5185\u5bb9\u7684\u51c6\u786e\u6027\u548c\u4e0a\u4e0b\u6587\u76f8\u5173\u6027\u3002<\/strong><\/p>\n<ul>\n<li><strong>\u68c0\u7d22\u9636\u6bb5<\/strong>\uff1a\u4ece\u4e00\u4e2a\u5927\u578b\u77e5\u8bc6\u5e93\u4e2d\u627e\u51fa\u4e0e\u7528\u6237\u8f93\u5165\u76f8\u5173\u7684\u6587\u6863\u6216\u6bb5\u843d\u3002<\/li>\n<li><strong>\u751f\u6210\u9636\u6bb5<\/strong>\uff1a\u5229\u7528\u68c0\u7d22\u5230\u7684\u4fe1\u606f\u4f5c\u4e3a\u4e0a\u4e0b\u6587\uff0c\u751f\u6210\u56de\u7b54\u6216\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p><strong>\u5728RAG\u4e2d\uff0c\u68c0\u7d22\u6a21\u578b\u8d1f\u8d23\u63d0\u4f9b\u9ad8\u8d28\u91cf\u7684\u4fe1\u606f\u6765\u6e90\uff0c\u800c\u751f\u6210\u6a21\u578b\u5219\u8d1f\u8d23\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u751f\u6210\u81ea\u7136\u8bed\u8a00\u56de\u7b54\u3002\u7531\u4e8eRAG\u53ef\u4ee5\u4ece\u5916\u90e8\u77e5\u8bc6\u6e90\u83b7\u53d6\u6700\u65b0\u4fe1\u606f\uff0c\u5b83\u5728\u56de\u7b54\u77e5\u8bc6\u5bc6\u96c6\u578b\u95ee\u9898\u65f6\u8868\u73b0\u5c24\u4e3a\u51fa\u8272\u3002<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5728 RAG \u4e2d\u7684\u5e94\u7528\u4fa7\u91cd\uff1a<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5728 RAG (\u68c0\u7d22\u589e\u5f3a\u751f\u6210) \u4e2d\uff0c<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u8bed\u4e49\u5339\u914d\u6a21\u578b\u901a\u5e38\u662f\u9996\u9009<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u56e0\u4e3a\u5b83\u4eec\u80fd\u66f4\u51c6\u786e\u5730\u68c0\u7d22\u5230\u4e0e\u7528\u6237\u67e5\u8be2\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ece\u800c\u5e2e\u52a9\u751f\u6210\u6a21\u578b\u4ea7\u751f\u66f4\u51c6\u786e\u3001\u66f4\u8fde\u8d2f\u7684\u56de\u7b54\u3002 \u7279\u522b\u662f<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u53e5\u5b50\u5d4c\u5165\u6a21\u578b\u548c\u5bc6\u96c6\u68c0\u7d22\u6a21\u578b<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u4f8b\u5982\u57fa\u4e8e\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">OpenAI Embeddings<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7684\u68c0\u7d22\uff0c\u56e0\u5176\u4f18\u79c0\u7684\u8bed\u4e49\u8868\u793a\u80fd\u529b\u548c\u68c0\u7d22\u6548\u7387\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e RAG \u7cfb\u7edf\u4e2d\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2>\u6848\u4f8b<\/h2>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">1. \u57fa\u4e8e\u8bcd\u6c47\u7684 Retrieval (Lexical Retrieval) \u7684\u5e94\u7528<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6838\u5fc3\u601d\u60f3\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u7cfb\u7edf\u4e3b\u8981\u4f9d\u8d56\u4e8e\u67e5\u8be2\u548c\u6587\u6863\u4e2d<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5b57\u9762\u4e0a\u7684\u5173\u952e\u8bcd\u5339\u914d<\/span><\/strong><span class=\"ng-star-inserted\">\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6848\u4f8b\u4e00\uff1a\u5728\u6280\u672f\u6587\u6863\u4e2d\u67e5\u627e\u7279\u5b9a\u547d\u4ee4<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u573a\u666f\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f60\u6b63\u5728\u4f7f\u7528\u4e00\u4e2a\u8f6f\u4ef6\uff0c\u60f3\u77e5\u9053\u5982\u4f55\u6267\u884c\u6587\u4ef6\u590d\u5236\u64cd\u4f5c\uff0c\u9700\u8981\u67e5\u627e\u76f8\u5173\u7684\u547d\u4ee4\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Retrieval \u673a\u5236\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0RAG \u7cfb\u7edf\u4f7f\u7528\u57fa\u4e8e\u8bcd\u6c47\u7684\u6a21\u578b\uff08\u5982 BM25\uff09\u5728\u8f6f\u4ef6\u7684\u5e2e\u52a9\u6587\u6863\u4e2d\u641c\u7d22\u5305\u542b\u5173\u952e\u8bcd &#8220;\u590d\u5236\u6587\u4ef6&#8221;\u3001&#8221;\u6587\u4ef6\u590d\u5236\u547d\u4ee4&#8221; \u6216 &#8220;copy file&#8221; \u7684\u6bb5\u843d\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u68c0\u7d22\u7ed3\u679c\u793a\u4f8b\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7cfb\u7edf\u53ef\u80fd\u4f1a\u627e\u5230\u6587\u6863\u4e2d\u6807\u9898\u4e3a &#8220;\u6587\u4ef6\u7ba1\u7406\u547d\u4ee4&#8221; \u7684\u7ae0\u8282\uff0c\u5176\u4e2d\u5305\u542b &#8220;\u4f7f\u7528\u00a0<\/span><span class=\"inline-code ng-star-inserted\">cp<\/span><span class=\"ng-star-inserted\">\u00a0\u547d\u4ee4\u590d\u5236\u6587\u4ef6&#8221; \u7684\u8bf4\u660e\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5982\u4f55\u5e2e\u52a9\u751f\u6210\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u5230\u7684\u5305\u542b\u547d\u4ee4\u7684\u5177\u4f53\u8bf4\u660e\u4f1a\u63d0\u4f9b\u7ed9\u751f\u6210\u6a21\u578b\uff0c\u6a21\u578b\u53ef\u4ee5\u751f\u6210\u66f4\u51c6\u786e\u7684\u64cd\u4f5c\u6b65\u9aa4\uff0c\u4f8b\u5982\uff1a\u201c\u60a8\u53ef\u4ee5\u4f7f\u7528\u00a0<\/span><span class=\"inline-code ng-star-inserted\">cp<\/span><span class=\"ng-star-inserted\">\u00a0\u547d\u4ee4\u6765\u590d\u5236\u6587\u4ef6\u3002\u4f8b\u5982\uff0c<\/span><span class=\"inline-code ng-star-inserted\">cp source.txt destination.txt<\/span><span class=\"ng-star-inserted\">\u00a0\u5c06\u590d\u5236 source.txt \u5230 destination.txt\u3002\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5173\u952e\u70b9\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u4f9d\u8d56\u4e8e\u7cbe\u786e\u7684\u5173\u952e\u8bcd\u5339\u914d\u3002\u5982\u679c\u4f60\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u8bf4\u6cd5\uff0c\u4f8b\u5982\u201c\u79fb\u52a8\u6587\u4ef6\u526f\u672c\u201d\uff0c\u53ef\u80fd\u65e0\u6cd5\u68c0\u7d22\u5230\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6848\u4f8b\u4e8c\uff1a\u5728\u4ea7\u54c1\u76ee\u5f55\u4e2d\u67e5\u627e\u7279\u5b9a\u578b\u53f7\u7684\u4ea7\u54c1<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u573a\u666f\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f60\u60f3\u8d2d\u4e70\u4e00\u4e2a\u7279\u5b9a\u578b\u53f7\u7684\u6253\u5370\u673a\uff0c\u4f8b\u5982 &#8220;\u578b\u53f7 XYZ-123&#8243;\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Retrieval \u673a\u5236\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0RAG \u7cfb\u7edf\u5728\u4ea7\u54c1\u76ee\u5f55\u6570\u636e\u5e93\u4e2d\u641c\u7d22\u5305\u542b &#8220;XYZ-123&#8221; \u8fd9\u4e2a\u7cbe\u786e\u578b\u53f7\u540d\u79f0\u7684\u6761\u76ee\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u68c0\u7d22\u7ed3\u679c\u793a\u4f8b\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7cfb\u7edf\u4f1a\u627e\u5230\u4ea7\u54c1\u6761\u76ee\uff0c\u5176\u4e2d\u5305\u542b &#8220;\u6253\u5370\u673a XYZ-123&#8221; \u7684\u540d\u79f0\u3001\u8be6\u7ec6\u89c4\u683c\u3001\u4ef7\u683c\u7b49\u4fe1\u606f\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5982\u4f55\u5e2e\u52a9\u751f\u6210\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u5230\u7684\u4ea7\u54c1\u4fe1\u606f\u53ef\u4ee5\u76f4\u63a5\u7528\u4e8e\u751f\u6210\u5173\u4e8e\u8be5\u578b\u53f7\u6253\u5370\u673a\u7684\u4ecb\u7ecd\u3001\u4ef7\u683c\u67e5\u8be2\u6216\u8d2d\u4e70\u94fe\u63a5\u7b49\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5173\u952e\u70b9\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f9d\u8d56\u4e8e\u4ea7\u54c1\u578b\u53f7\u7684\u7cbe\u786e\u5339\u914d\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u4e86\u6a21\u7cca\u7684\u63cf\u8ff0\uff0c\u4f8b\u5982\u201c\u9ad8\u6027\u80fd\u6253\u5370\u673a\u201d\uff0c\u57fa\u4e8e\u8bcd\u6c47\u7684\u68c0\u7d22\u53ef\u80fd\u6548\u679c\u4e0d\u4f73\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">2. \u57fa\u4e8e\u8bed\u4e49\u7684 Retrieval (Semantic Retrieval) \u7684\u5e94\u7528<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6838\u5fc3\u601d\u60f3\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u7cfb\u7edf\u7406\u89e3\u67e5\u8be2\u548c\u6587\u6863\u7684<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6df1\u5c42\u8bed\u4e49\u4fe1\u606f<\/span><\/strong><span class=\"ng-star-inserted\">\uff0c\u5373\u4f7f\u6ca1\u6709\u5b8c\u5168\u76f8\u540c\u7684\u5173\u952e\u8bcd\u4e5f\u80fd\u627e\u5230\u76f8\u5173\u5185\u5bb9\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6848\u4f8b\u4e09\uff1a\u5728\u533b\u5b66\u6587\u732e\u4e2d\u67e5\u627e\u5173\u4e8e\u67d0\u79cd\u75be\u75c5\u75c7\u72b6\u7684\u4fe1\u606f<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u573a\u666f\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f60\u60f3\u4e86\u89e3\u201c\u9ad8\u8840\u538b\u4f1a\u5f15\u8d77\u54ea\u4e9b\u5e38\u89c1\u7684\u8eab\u4f53\u4e0d\u9002\uff1f\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Retrieval \u673a\u5236\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0RAG \u7cfb\u7edf\u4f7f\u7528\u57fa\u4e8e\u8bed\u4e49\u7684\u6a21\u578b\uff08\u5982\u57fa\u4e8e Sentence-BERT \u6216 OpenAI Embeddings \u7684\u5bc6\u96c6\u68c0\u7d22\uff09\u5c06\u67e5\u8be2\u548c\u533b\u5b66\u6587\u732e\u8fdb\u884c\u5411\u91cf\u5316\u8868\u793a\uff0c\u7136\u540e\u5728\u8bed\u4e49\u7a7a\u95f4\u4e2d\u67e5\u627e\u4e0e\u67e5\u8be2\u5411\u91cf\u6700\u63a5\u8fd1\u7684\u6587\u732e\u6bb5\u843d\u3002\u5373\u4f7f\u6587\u732e\u4e2d\u6ca1\u6709\u5b8c\u5168\u76f8\u540c\u7684\u63aa\u8f9e\uff0c\u4f8b\u5982\u4f7f\u7528\u4e86\u201c\u8840\u538b\u5347\u9ad8\u201d\u800c\u4e0d\u662f\u201c\u9ad8\u8840\u538b\u201d\uff0c\u6216\u8005\u4f7f\u7528\u4e86\u5177\u4f53\u7684\u75c7\u72b6\u63cf\u8ff0\u800c\u975e\u201c\u8eab\u4f53\u4e0d\u9002\u201d\uff0c\u4e5f\u80fd\u88ab\u68c0\u7d22\u5230\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u68c0\u7d22\u7ed3\u679c\u793a\u4f8b\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7cfb\u7edf\u53ef\u80fd\u4f1a\u627e\u5230\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\u7684\u6bb5\u843d\uff1a\u201c\u9ad8\u8840\u538b\u60a3\u8005\u5e38\u5e38\u62a5\u544a\u5934\u75db\u3001\u7729\u6655\u3001\u80f8\u95f7\u7b49\u75c7\u72b6\u3002\u957f\u671f\u672a\u7ecf\u63a7\u5236\u7684\u9ad8\u8840\u538b\u53ef\u80fd\u5bfc\u81f4\u5fc3\u60b8\u548c\u547c\u5438\u56f0\u96be\u3002\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5982\u4f55\u5e2e\u52a9\u751f\u6210\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u5230\u7684\u5173\u4e8e\u9ad8\u8840\u538b\u75c7\u72b6\u7684\u63cf\u8ff0\u4f1a\u63d0\u4f9b\u7ed9\u751f\u6210\u6a21\u578b\uff0c\u6a21\u578b\u53ef\u4ee5\u751f\u6210\u66f4\u81ea\u7136\u3001\u66f4\u5168\u9762\u7684\u56de\u7b54\uff1a\u201c\u9ad8\u8840\u538b\u53ef\u80fd\u5f15\u8d77\u591a\u79cd\u4e0d\u9002\uff0c\u5e38\u89c1\u7684\u5305\u62ec\u5934\u75db\u3001\u7729\u6655\u3001\u80f8\u95f7\u7b49\u3002\u4e25\u91cd\u7684\u6216\u957f\u671f\u7684\u9ad8\u8840\u538b\u8fd8\u53ef\u80fd\u5bfc\u81f4\u5fc3\u60b8\u548c\u547c\u5438\u56f0\u96be\u3002\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5173\u952e\u70b9\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u80fd\u591f\u7406\u89e3\u540c\u4e49\u8bcd\uff08\u201c\u8840\u538b\u5347\u9ad8\u201d vs. \u201c\u9ad8\u8840\u538b\u201d\uff09\u3001\u8fd1\u4e49\u8868\u8fbe\uff08\u201c\u8eab\u4f53\u4e0d\u9002\u201d vs. \u201c\u5934\u75db\u3001\u7729\u6655\u201d\uff09\u4ee5\u53ca\u76f8\u5173\u6982\u5ff5\uff0c\u63d0\u4f9b\u66f4\u4e30\u5bcc\u7684\u4e0a\u4e0b\u6587\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u6848\u4f8b\u56db\uff1a\u5728\u521b\u610f\u5199\u4f5c\u8f85\u52a9\u4e2d\u67e5\u627e\u76f8\u4f3c\u98ce\u683c\u7684\u6587\u672c<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u573a\u666f\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u4f60\u6b63\u5728\u521b\u4f5c\u4e00\u7bc7\u79d1\u5e7b\u5c0f\u8bf4\uff0c\u5e0c\u671b\u627e\u5230\u4e00\u4e9b\u6587\u98ce\u76f8\u4f3c\u7684\u6bb5\u843d\u4f5c\u4e3a\u7075\u611f\u3002\u4f60\u8f93\u5165\uff1a\u201c\u63cf\u8ff0\u4e00\u4e2a\u672a\u6765\u57ce\u5e02\u7684\u7e41\u8363\u666f\u8c61\uff0c\u5145\u6ee1\u9ad8\u8038\u7684\u5efa\u7b51\u548c\u7e41\u5fd9\u7684\u4ea4\u901a\u3002\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Retrieval \u673a\u5236\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0RAG \u7cfb\u7edf\u4f7f\u7528\u57fa\u4e8e\u8bed\u4e49\u7684\u6a21\u578b\u5728\u5927\u91cf\u7684\u79d1\u5e7b\u5c0f\u8bf4\u6587\u672c\u5e93\u4e2d\u641c\u7d22\uff0c\u5bfb\u627e\u5728\u8bed\u4e49\u4e0a\u4e0e\u4f60\u7684\u63cf\u8ff0\u6700\u63a5\u8fd1\u7684\u6bb5\u843d\uff0c\u5373\u4f7f\u8fd9\u4e9b\u6bb5\u843d\u6ca1\u6709\u5b8c\u5168\u4f7f\u7528\u201c\u672a\u6765\u57ce\u5e02\u201d\u3001\u201c\u7e41\u8363\u201d\u7b49\u5173\u952e\u8bcd\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u68c0\u7d22\u7ed3\u679c\u793a\u4f8b\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u7cfb\u7edf\u53ef\u80fd\u4f1a\u627e\u5230\u8fd9\u6837\u7684\u6bb5\u843d\uff1a\u201c\u94a2\u94c1\u5de8\u517d\u523a\u7834\u4e91\u9704\uff0c\u73bb\u7483\u5e55\u5899\u53cd\u5c04\u7740\u4e94\u5f69\u7684\u5149\u8292\u3002\u98de\u884c\u6c7d\u8f66\u5982\u68ad\u822c\u7a7f\u68ad\u4e8e\u697c\u5b87\u4e4b\u95f4\uff0c\u5730\u9762\u4e0a\u7684\u4eba\u7fa4\u7199\u7199\u6518\u6518\uff0c\u80fd\u91cf\u7684\u55e1\u9e23\u58f0\u5145\u65a5\u7740\u8fd9\u4e2a\u4e0d\u591c\u57ce\u3002\u201d<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5982\u4f55\u5e2e\u52a9\u751f\u6210\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u68c0\u7d22\u5230\u7684\u5177\u6709\u76f8\u4f3c\u610f\u5883\u548c\u63cf\u8ff0\u65b9\u5f0f\u7684\u6bb5\u843d\u53ef\u4ee5\u4f5c\u4e3a\u751f\u6210\u6a21\u578b\u7684\u53c2\u8003\uff0c\u5e2e\u52a9\u5176\u521b\u4f5c\u51fa\u66f4\u7b26\u5408\u4f60\u671f\u671b\u98ce\u683c\u7684\u6587\u672c\u3002<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u5173\u952e\u70b9\uff1a<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\u80fd\u591f\u7406\u89e3\u6587\u672c\u7684\u9690\u542b\u610f\u4e49\u3001\u60c5\u611f\u8272\u5f69\u548c\u6587\u98ce\uff0c\u8d85\u8d8a\u4e86\u7b80\u5355\u7684\u5173\u952e\u8bcd\u5339\u914d\uff0c\u66f4\u6ce8\u91cd\u8bed\u4e49\u4e0a\u7684\u76f8\u4f3c\u6027\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u6982\u5ff5 \u5728\u4fe1\u606f\u6280\u672f\u9886\u57df\uff0c\u68c0\u7d22 (Retrieval)\u00a0\u6307\u7684\u662f\u4ece\u4e00\u4e2a\u5927\u578b\u6570\u636e\u96c6\uff08\u901a\u5e38\u662f\u6587\u6863\u3001\u7f51\u9875\u3001\u56fe\u50cf\u3001\u97f3\u9891\u3001\u89c6\u9891\u6216\u5176\u4ed6\u5f62\u5f0f\u7684\u4fe1\u606f\uff09\u4e2d\uff0c\u6839\u636e\u7528\u6237\u7684\u67e5\u8be2\u6216\u9700\u6c42\uff0c\u9ad8\u6548\u5730\u5b9a\u4f4d\u548c\u63d0\u53d6\u76f8\u5173\u4fe1\u606f\u7684\u8fc7\u7a0b\u3002\u00a0\u5176\u6838\u5fc3\u76ee\u6807\u662f\u627e\u5230\u4e0e\u7528\u6237\u9700\u6c42\u6700\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u5448&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-18127","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts\/18127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/comments?post=18127"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts\/18127\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/media?parent=18127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/categories?post=18127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/tags?post=18127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}