{"id":27248,"date":"2025-02-28T20:55:47","date_gmt":"2025-02-28T12:55:47","guid":{"rendered":"https:\/\/www.aisharenet.com\/?p=27248"},"modified":"2025-02-28T20:56:14","modified_gmt":"2025-02-28T12:56:14","slug":"embedding-weidiaoa","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/en\/embedding-weidiaoa\/","title":{"rendered":"Embedding \u5fae\u8c03\uff1a\u539f\u7406\u3001\u6d41\u7a0b\u4e0e\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\u7684\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"<p>\u672c\u6587\u65e8\u5728\u4ece\u591a\u4e2a\u89d2\u5ea6\u8be6\u7ec6\u8bb2\u89e3 Embedding \u5fae\u8c03\u7684\u57fa\u672c\u6982\u5ff5\u3001\u6574\u4f53\u6d41\u7a0b\u548c\u5173\u952e\u6280\u672f\uff0c\u5e76\u63a2\u8ba8\u5176\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\u7684\u5b9e\u9645\u4f5c\u7528\u3002\u901a\u8fc7\u672c\u6587\uff0c\u8bfb\u8005\u5c06\u4e86\u89e3\u5982\u4f55\u5229\u7528\u6cd5\u5f8b\u9886\u57df\u7684\u4e13\u4e1a\u6570\u636e\u5bf9\u9884\u8bad\u7ec3\u7684 Embedding \u6a21\u578b\u8fdb\u884c\u5fae\u8c03\uff0c\u4ece\u800c\u63d0\u5347\u6cd5\u5f8b\u6587\u4e66\u68c0\u7d22\u3001\u6cd5\u89c4\u95ee\u7b54\u53ca\u76f8\u5173\u667a\u80fd\u5e94\u7528\u7cfb\u7edf\u7684\u51c6\u786e\u6027\u548c\u5b9e\u7528\u6027\u3002<\/p>\n<h2>1. \u5f15\u8a00<\/h2>\n<p>\u968f\u7740\u6df1\u5ea6\u5b66\u4e60\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u6280\u672f\u7684\u8fc5\u731b\u53d1\u5c55\uff0cEmbedding \u6a21\u578b\u5df2\u6210\u4e3a\u5404\u7c7b\u667a\u80fd\u5e94\u7528\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002Embedding \u7684\u76ee\u6807\u662f\u5c06\u79bb\u6563\u7684\u6587\u672c\u6570\u636e\u8f6c\u6362\u4e3a\u8fde\u7eed\u7684\u4f4e\u7ef4\u5411\u91cf\u8868\u793a\uff0c\u4f7f\u5f97\u6a21\u578b\u80fd\u591f\u6355\u6349\u6587\u672c\u4e2d\u7684\u8bed\u4e49\u4fe1\u606f\u548c\u4e0a\u4e0b\u6587\u5173\u8054\u3002\u5c3d\u7ba1\u9884\u8bad\u7ec3\u6a21\u578b\u5728\u5927\u89c4\u6a21\u901a\u7528\u8bed\u6599\u4e0a\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728\u6cd5\u5f8b\u8fd9\u4e00\u4e13\u4e1a\u9886\u57df\u4e2d\uff0c\u7531\u4e8e\u5b58\u5728\u5927\u91cf\u4e13\u4e1a\u672f\u8bed\u548c\u56fa\u5b9a\u8868\u8fbe\uff0c\u901a\u7528\u6a21\u578b\u5f80\u5f80\u96be\u4ee5\u5b8c\u5168\u7406\u89e3\u6cd5\u5f8b\u6587\u672c\u7684\u7ec6\u5fae\u5dee\u522b\u3002\u4e3a\u6b64\uff0c\u901a\u8fc7\u9886\u57df\u5fae\u8c03\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u9884\u8bad\u7ec3\u6a21\u578b\u66f4\u597d\u5730\u9002\u5e94\u6cd5\u5f8b\u4e13\u4e1a\u573a\u666f\uff0c\u4ece\u800c\u63d0\u9ad8\u8bed\u4e49\u68c0\u7d22\u548c\u95ee\u7b54\u7cfb\u7edf\u7684\u6548\u679c\u3002<\/p>\n<h2>2. \u7406\u8bba\u80cc\u666f<\/h2>\n<h3>2.1 Embedding \u7684\u57fa\u672c\u539f\u7406<\/h3>\n<ul>\n<li><strong>\u5411\u91cf\u8868\u793a<\/strong><br \/>\nEmbedding \u6a21\u578b\u5c06\u9ad8\u7ef4\u4e14\u7a00\u758f\u7684\u6587\u672c\u8f6c\u6362\u4e3a\u4f4e\u7ef4\u3001\u5bc6\u96c6\u7684\u5411\u91cf\uff0c\u4f7f\u5f97\u5728\u8fde\u7eed\u7a7a\u95f4\u4e2d\uff0c\u76f8\u4f3c\u7684\u6587\u672c\uff08\u5982\u542b\u4e49\u76f8\u8fd1\u7684\u5355\u8bcd\u6216\u53e5\u5b50\uff09\u80fd\u591f\u6620\u5c04\u5230\u5f7c\u6b64\u9760\u8fd1\u7684\u4f4d\u7f6e\uff0c\u4ece\u800c\u4fbf\u4e8e\u8ba1\u7b97\u76f8\u4f3c\u5ea6\u3002<\/li>\n<li><strong>\u8bed\u4e49\u6355\u6349<\/strong><br \/>\n\u901a\u8fc7\u5206\u6790\u5927\u91cf\u6587\u672c\u4e2d\u7684\u5171\u73b0\u5173\u7cfb\uff0cEmbedding \u6a21\u578b\u53ef\u4ee5\u5b66\u4e60\u5230\u5355\u8bcd\u6216\u53e5\u5b50\u4e4b\u95f4\u7684\u8bed\u4e49\u5173\u8054\u3002\u8fd9\u79cd\u80fd\u529b\u4f7f\u5f97\u6a21\u578b\u5728\u8fdb\u884c\u4fe1\u606f\u68c0\u7d22\u3001\u95ee\u7b54\u7cfb\u7edf\u7b49\u4efb\u52a1\u65f6\uff0c\u80fd\u591f\u9ad8\u6548\u3001\u51c6\u786e\u5730\u5339\u914d\u8bed\u4e49\u76f8\u4f3c\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<h3>2.2 \u5fae\u8c03\u7684\u5fc5\u8981\u6027<\/h3>\n<ul>\n<li><strong>\u9886\u57df\u9002\u5e94\u6027<\/strong><br \/>\n\u6cd5\u5f8b\u6587\u672c\u5177\u6709\u5927\u91cf\u4e13\u6709\u540d\u8bcd\u548c\u56fa\u5b9a\u8868\u8fbe\u65b9\u5f0f\uff0c\u901a\u7528\u6a21\u578b\u5728\u5904\u7406\u8fd9\u4e9b\u6587\u672c\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u7406\u89e3\u504f\u5dee\u3002\u5fae\u8c03\u80fd\u591f\u901a\u8fc7\u5f15\u5165\u6cd5\u5f8b\u9886\u57df\u7684\u4e13\u4e1a\u6570\u636e\uff0c\u4f7f\u6a21\u578b\u5b66\u4e60\u6cd5\u5f8b\u4e13\u6709\u8bed\u4e49\u548c\u903b\u8f91\uff0c\u63d0\u5347\u5bf9\u4e13\u4e1a\u672f\u8bed\u7684\u7406\u89e3\u80fd\u529b\u3002<\/li>\n<li><strong>\u957f\u6587\u672c\u5904\u7406\u80fd\u529b<\/strong><br \/>\n\u8bb8\u591a\u6cd5\u5f8b\u6587\u4e66\u3001\u5224\u51b3\u4e66\u548c\u6cd5\u89c4\u6587\u4ef6\u6587\u672c\u8f83\u957f\u3002\u5229\u7528\u652f\u6301\u957f\u6587\u672c\u8f93\u5165\uff08\u4f8b\u5982 BGE\u2011M3 \u6a21\u578b\u53ef\u5904\u7406\u6700\u591a 8192 tokens\uff09\u7684\u6a21\u578b\uff0c\u5e76\u7ed3\u5408\u9886\u57df\u6570\u636e\u8fdb\u884c\u5fae\u8c03\uff0c\u53ef\u4ee5\u786e\u4fdd\u5173\u952e\u4fe1\u606f\u4e0d\u4f1a\u56e0\u622a\u65ad\u800c\u4e22\u5931\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u68c0\u7d22\u548c\u95ee\u7b54\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2>3. \u6570\u636e\u6784\u5efa\u4e0e\u9884\u5904\u7406<\/h2>\n<h3>3.1 \u6570\u636e\u6765\u6e90<\/h3>\n<p>\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\uff0c\u6570\u636e\u96c6\u53ef\u6765\u6e90\u4e8e\u591a\u79cd\u6e20\u9053\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u6cd5\u5f8b\u6cd5\u89c4\u3001\u5224\u51b3\u4e66\u3001\u53f8\u6cd5\u89e3\u91ca\u7b49\u516c\u5f00\u6587\u672c\u8d44\u6e90\uff1b<\/li>\n<li>\u6cd5\u5f8b\u4e13\u5bb6\u64b0\u5199\u7684\u95ee\u7b54\u6216\u8bc4\u8bba\uff1b<\/li>\n<li>\u901a\u8fc7\u5927\u6a21\u578b\u81ea\u52a8\u751f\u6210\u7684\u6cd5\u5f8b\u9886\u57df\u95ee\u7b54\u5bf9\u3002<\/li>\n<\/ul>\n<h3>3.2 \u6570\u636e\u683c\u5f0f\u8bbe\u8ba1<\/h3>\n<p>\u6784\u5efa\u5fae\u8c03\u6570\u636e\u96c6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u5305\u542b\u4ee5\u4e0b\u4e09\u4e2a\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>Queries\uff08\u67e5\u8be2\uff09<\/strong>\uff1a\u6cd5\u5f8b\u9886\u57df\u5185\u7684\u63d0\u95ee\uff0c\u4f8b\u5982\u201c\u6839\u636e\u6700\u65b0\u6cd5\u5f8b\uff0c\u5408\u540c\u8fdd\u7ea6\u7684\u8d23\u4efb\u6709\u54ea\u4e9b\uff1f\u201d<\/li>\n<li><strong>Corpus\uff08\u8bed\u6599\u5e93\uff09<\/strong>\uff1a\u5305\u542b\u6cd5\u5f8b\u6761\u6587\u3001\u5224\u4f8b\u3001\u89e3\u8bfb\u6587\u7ae0\u7b49\u8be6\u7ec6\u6587\u672c\u3002<\/li>\n<li><strong>Relevant_docs\uff08\u5173\u8054\u6620\u5c04\uff09<\/strong>\uff1a\u6807\u8bb0\u6bcf\u4e2a\u67e5\u8be2\u5bf9\u5e94\u7684\u6b63\u786e\u6587\u672c\uff0c\u786e\u4fdd\u8bad\u7ec3\u65f6\u6a21\u578b\u80fd\u5b66\u4e60\u5230\u51c6\u786e\u7684\u8bed\u4e49\u5339\u914d\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h3>3.3 \u6570\u636e\u9884\u5904\u7406<\/h3>\n<ul>\n<li><strong>\u6587\u672c\u5206\u5757<\/strong><br \/>\n\u9488\u5bf9\u957f\u6587\u672c\uff08\u5982\u6cd5\u5f8b\u6587\u4e66\uff09\u8fdb\u884c\u5408\u7406\u7684\u5206\u5757\u5904\u7406\uff0c\u786e\u4fdd\u6bcf\u4e2a\u5206\u5757\u5185\u5bb9\u5b8c\u6574\u4e14\u4e0d\u8d85\u8fc7\u6a21\u578b\u7684\u6700\u5927\u8f93\u5165\u957f\u5ea6\u3002<\/li>\n<li><strong>\u683c\u5f0f\u6807\u51c6\u5316<\/strong><br \/>\n\u5bf9\u6587\u672c\u8fdb\u884c\u6e05\u6d17\u548c\u53bb\u566a\uff0c\u4fdd\u7559\u6cd5\u5f8b\u4e13\u7528\u672f\u8bed\u548c\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u81ea\u52a8\u751f\u6210\u95ee\u7b54<\/strong><br \/>\n\u5229\u7528\u5927\u6a21\u578b\u548c\u9884\u8bbe\u7684 Prompt \u6a21\u677f\u81ea\u52a8\u751f\u6210\u6cd5\u5f8b\u9886\u57df\u7684\u95ee\u7b54\u5bf9\uff0c\u4ece\u800c\u6784\u5efa\u9ad8\u8d28\u91cf\u7684\u8bad\u7ec3\u6837\u672c\u3002<\/li>\n<\/ul>\n<h2>4. \u8bad\u7ec3\u6d41\u7a0b\u4e0e\u53c2\u6570\u8bbe\u8ba1<\/h2>\n<p>\u5728\u5fae\u8c03\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4ee5 BGE\u2011M3 \u6a21\u578b\u4e3a\u57fa\u7ebf\uff0c\u901a\u8fc7\u6cd5\u5f8b\u9886\u57df\u6570\u636e\u5bf9\u5176\u8fdb\u884c\u9002\u5e94\u6027\u8bad\u7ec3\u3002\u6574\u4e2a\u6d41\u7a0b\u5305\u62ec\u73af\u5883\u914d\u7f6e\u3001\u6a21\u578b\u52a0\u8f7d\u3001\u5fae\u8c03\u6a21\u5757\u8c03\u7528\u4ee5\u53ca\u5206\u5e03\u5f0f\u8bad\u7ec3\u7b49\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<h3>4.1 \u8bad\u7ec3\u6d41\u7a0b<\/h3>\n<ol>\n<li><strong>\u73af\u5883\u914d\u7f6e\u4e0e\u6570\u636e\u52a0\u8f7d<\/strong><br \/>\n\u4f7f\u7528 <code>torchrun<\/code> \u542f\u52a8\u5206\u5e03\u5f0f\u8bad\u7ec3\u73af\u5883\uff0c\u5e76\u52a0\u8f7d\u9884\u8bad\u7ec3\u6a21\u578b\u4e0e\u9884\u5904\u7406\u597d\u7684\u6cd5\u5f8b\u9886\u57df\u6570\u636e\u96c6\u3002<\/li>\n<li><strong>\u6a21\u578b\u5fae\u8c03\u6a21\u5757<\/strong><br \/>\n\u901a\u8fc7\u8c03\u7528\u5fae\u8c03\u6a21\u5757\uff08\u4f8b\u5982 FlagEmbedding \u6a21\u5757\uff09\uff0c\u5bf9\u6a21\u578b\u53c2\u6570\u8fdb\u884c\u66f4\u65b0\u3002\u8be5\u6a21\u5757\u5185\u5d4c\u4e86\u77e5\u8bc6\u84b8\u998f\u3001\u8d1f\u6837\u672c\u6784\u9020\u548c\u5411\u91cf\u5f52\u4e00\u5316\u7b49\u6280\u672f\uff0c\u786e\u4fdd\u6a21\u578b\u65e2\u4fdd\u7559\u9884\u8bad\u7ec3\u77e5\u8bc6\u53c8\u80fd\u9002\u5e94\u9886\u57df\u7279\u5b9a\u8bed\u4e49\u3002<\/li>\n<li><strong>\u68af\u5ea6\u7d2f\u79ef\u4e0e\u6df7\u5408\u7cbe\u5ea6<\/strong><br \/>\n\u8bbe\u7f6e\u5408\u9002\u7684\u6279\u91cf\u5927\u5c0f\u4e0e\u68af\u5ea6\u7d2f\u79ef\u6b65\u957f\uff08\u5982 <code>gradient_accumulation_steps<\/code>\uff09\uff0c\u5e76\u4f7f\u7528 fp16 \u6df7\u5408\u7cbe\u5ea6\u8bad\u7ec3\u548c\u68af\u5ea6\u68c0\u67e5\u70b9\u6280\u672f\uff0c\u65e2\u4fdd\u8bc1\u8bad\u7ec3\u6548\u7387\u53c8\u8282\u7701\u663e\u5b58\u3002<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u8bad\u7ec3\u914d\u7f6e<\/strong><br \/>\n\u5229\u7528 Deepspeed \u7b49\u5de5\u5177\u914d\u7f6e\u5206\u5e03\u5f0f\u8bad\u7ec3\uff0c\u786e\u4fdd\u5927\u6a21\u578b\u5728\u5355\u5361\u6216\u591a\u5361\u73af\u5883\u4e0b\u9ad8\u6548\u8fd0\u884c\u3002<\/li>\n<\/ol>\n<h3>4.2 \u5173\u952e\u8bad\u7ec3\u53c2\u6570<\/h3>\n<ul>\n<li><strong>\u8f93\u5165\u957f\u5ea6<\/strong>\n<ul>\n<li>Query \u7684\u6700\u5927\u957f\u5ea6\u8bbe\u7f6e\u4e3a 512 tokens\u3002<\/li>\n<li>Passage \u7684\u6700\u5927\u957f\u5ea6\u8bbe\u7f6e\u4e3a 2048 tokens\uff0c\u5145\u5206\u5229\u7528 BGE\u2011M3 \u6a21\u578b\u5904\u7406\u957f\u6587\u672c\u7684\u80fd\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b66\u4e60\u7387\u4e0e\u8bad\u7ec3\u5468\u671f<\/strong><br \/>\n\u5982\u8bbe\u7f6e\u5b66\u4e60\u7387\u4e3a 1e-5\uff0c\u8bad\u7ec3 5 \u4e2a epoch\uff0c\u4ee5\u786e\u4fdd\u6a21\u578b\u5e73\u7a33\u6536\u655b\u3002<\/li>\n<li><strong>\u77e5\u8bc6\u84b8\u998f\u4e0e\u635f\u5931\u51fd\u6570<\/strong><br \/>\n\u542f\u7528\u77e5\u8bc6\u84b8\u998f\uff08\u53c2\u6570 <code>knowledge_distillation True<\/code>\uff09\uff0c\u5e76\u91c7\u7528\u9002\u7528\u4e8e Embedding \u6a21\u578b\u7684\u635f\u5931\u51fd\u6570\uff08\u5982 m3_kd_loss\uff09\u6765\u4f18\u5316\u6a21\u578b\u3002<\/li>\n<li><strong>\u68af\u5ea6\u7d2f\u79ef\u4e0e\u6df7\u5408\u7cbe\u5ea6<\/strong><br \/>\n\u901a\u8fc7\u8bbe\u7f6e <code>gradient_accumulation_steps<\/code>\u3001\u542f\u7528 <code>--fp16<\/code> \u548c <code>--gradient_checkpointing<\/code> \u7b49\uff0c\u8fbe\u5230\u8bad\u7ec3\u7a33\u5b9a\u6027\u4e0e\u663e\u5b58\u4f7f\u7528\u4e4b\u95f4\u7684\u5e73\u8861\u3002<\/li>\n<li><strong>\u5176\u4ed6\u4f18\u5316\u7b56\u7565<\/strong><br \/>\n\u5982\u5f52\u4e00\u5316 Embedding \u5411\u91cf\uff08<code>normalize_embeddings True<\/code>\uff09\u548c\u8de8\u8bbe\u5907\u8d1f\u6837\u672c\u6784\u9020\uff08<code>negatives_cross_device<\/code>\uff09\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u8bad\u7ec3\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2>5. \u8bc4\u4f30\u6307\u6807\u4e0e\u6548\u679c\u5206\u6790<\/h2>\n<h3>5.1 \u8bc4\u4f30\u6307\u6807<\/h3>\n<p>\u4e3a\u5168\u9762\u8bc4\u4f30\u6a21\u578b\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\u7684\u68c0\u7d22\u548c\u95ee\u7b54\u80fd\u529b\uff0c\u6211\u4eec\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u6307\u6807\uff1a<\/p>\n<ul>\n<li><strong>Recall@K<\/strong><br \/>\n\u8861\u91cf\u5728 Top-K \u68c0\u7d22\u7ed3\u679c\u4e2d\uff0c\u6b63\u786e\u5339\u914d\u7684\u6bd4\u4f8b\u3002\u6cd5\u5f8b\u95ee\u7b54\u7cfb\u7edf\u4e2d\uff0cRecall@1\u3001Recall@3\u3001Recall@6 \u5c24\u4e3a\u5173\u952e\u3002<\/li>\n<li><strong>MRR\uff08\u5e73\u5747\u5012\u6570\u6392\u540d\uff09<\/strong><br \/>\n\u53cd\u6620\u6b63\u786e\u7b54\u6848\u5728\u68c0\u7d22\u7ed3\u679c\u4e2d\u7684\u6392\u5e8f\u4f4d\u7f6e\uff0c\u6570\u503c\u8d8a\u9ad8\u8bf4\u660e\u6b63\u786e\u7b54\u6848\u8d8a\u9760\u524d\u3002<\/li>\n<li><strong>NDCG\uff08\u5f52\u4e00\u5316\u6298\u635f\u7d2f\u8ba1\u589e\u76ca\uff09<\/strong><br \/>\n\u8003\u8651\u7b54\u6848\u76f8\u5173\u6027\u548c\u6392\u540d\uff0c\u80fd\u591f\u5168\u9762\u8bc4\u4f30\u6a21\u578b\u7684\u68c0\u7d22\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3>5.2 \u6548\u679c\u5206\u6790<\/h3>\n<p>\u4ee5\u6cd5\u5f8b\u9886\u57df\u6570\u636e\u4e3a\u4f8b\uff0c\u5047\u8bbe\u5fae\u8c03\u524d\u540e\u6a21\u578b\u7684\u6307\u6807\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u57fa\u5ea7\u6a21\u578b<\/strong>\uff1aRecall@1: 0.4499\uff0cMRR@1: 0.8998\uff0cNDCG@1: 0.8998<\/li>\n<li><strong>\u5fae\u8c03\u6a21\u578b<\/strong>\uff1aRecall@1: 0.4895\uff0cMRR@1: 0.9790\uff0cNDCG@1: 0.9790<\/li>\n<\/ul>\n<p>\u7531\u6b64\u53ef\u89c1\uff0c\u5fae\u8c03\u540e\u7684\u6a21\u578b\u5728 Top-1 \u7684 MRR \u6307\u6807\u4e0a\u63d0\u5347\u8fd1 8%\uff0c\u8868\u660e\u5176\u5728\u5173\u952e\u6cd5\u5f8b\u67e5\u8be2\u573a\u666f\u4e0b\u80fd\u8fd4\u56de\u66f4\u7cbe\u51c6\u7684\u7ed3\u679c\uff0c\u4ece\u800c\u6709\u6548\u63d0\u5347\u6574\u4e2a\u6cd5\u5f8b\u95ee\u7b54\u6216\u68c0\u7d22\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n<h2>6. \u6cd5\u5f8b\u9886\u57df\u4e2d\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n<h3>6.1 \u9886\u57df\u7279\u5f02\u6027\u4f18\u5316<\/h3>\n<p>\u5728\u6cd5\u5f8b\u9886\u57df\uff0c\u6587\u672c\u4e0d\u4ec5\u6d89\u53ca\u5927\u91cf\u4e13\u4e1a\u672f\u8bed\uff0c\u800c\u4e14\u8868\u8ff0\u98ce\u683c\u4e25\u8c28\u56fa\u5b9a\u3002\u5fae\u8c03\u540e\u7684 Embedding \u6a21\u578b\u80fd\u591f\uff1a<\/p>\n<ul>\n<li><strong>\u7cbe\u51c6\u7406\u89e3\u4e13\u4e1a\u8bed\u4e49<\/strong>\uff1a\u66f4\u597d\u5730\u89e3\u6790\u6cd5\u5f8b\u6587\u4e66\u3001\u5224\u4f8b\u548c\u6cd5\u89c4\u6587\u672c\u4e2d\u7684\u4e13\u4e1a\u6982\u5ff5\uff1b<\/li>\n<li><strong>\u63d0\u9ad8\u5339\u914d\u51c6\u786e\u7387<\/strong>\uff1a\u5728\u7528\u6237\u67e5\u8be2\u4e0e\u6cd5\u5f8b\u6761\u6587\u4e4b\u95f4\u5b9e\u73b0\u9ad8\u6548\u3001\u7cbe\u786e\u7684\u8bed\u4e49\u5339\u914d\uff1b<\/li>\n<li><strong>\u964d\u4f4e\u68c0\u7d22\u8bef\u5dee<\/strong>\uff1a\u51cf\u5c11\u56e0\u6587\u672c\u622a\u65ad\u6216\u4e0a\u4e0b\u6587\u4e0d\u8db3\u5bfc\u81f4\u7684\u8bef\u68c0\u7387\u3002<\/li>\n<\/ul>\n<h3>6.2 \u7cfb\u7edf\u6027\u80fd\u63d0\u5347<\/h3>\n<p>\u7ecf\u8fc7\u5fae\u8c03\u540e\uff0c\u6cd5\u5f8b\u95ee\u7b54\u7cfb\u7edf\u548c\u6587\u4e66\u68c0\u7d22\u7cfb\u7edf\u80fd\u591f\uff1a<\/p>\n<ul>\n<li>\u5feb\u901f\u3001\u51c6\u786e\u5730\u5339\u914d\u7528\u6237\u67e5\u8be2\u4e0e\u76f8\u5173\u6cd5\u5f8b\u6761\u6b3e\u6216\u6848\u4f8b\uff1b<\/li>\n<li>\u63d0\u5347\u68c0\u7d22\u901f\u5ea6\u548c\u7b54\u6848\u7684\u76f8\u5173\u6027\uff0c\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\uff1b<\/li>\n<li>\u4e3a\u5f8b\u5e08\u3001\u6cd5\u5b98\u53ca\u6cd5\u5f8b\u7814\u7a76\u4eba\u5458\u63d0\u4f9b\u9ad8\u8d28\u91cf\u7684\u4fe1\u606f\u652f\u6301\uff0c\u52a9\u529b\u51b3\u7b56\u548c\u7814\u7a76\u3002<\/li>\n<\/ul>\n<h3>6.3 \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<p>\u5fae\u8c03\u540e\u7684 Embedding \u6a21\u578b\u53ef\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u6cd5\u5f8b\u667a\u80fd\u95ee\u7b54\u7cfb\u7edf<\/strong>\uff1a\u4f9d\u636e\u7528\u6237\u63d0\u51fa\u7684\u95ee\u9898\uff0c\u81ea\u52a8\u68c0\u7d22\u76f8\u5173\u6cd5\u5f8b\u6761\u6587\u548c\u5224\u4f8b\uff0c\u63d0\u4f9b\u53c2\u8003\u7b54\u6848\uff1b<\/li>\n<li><strong>\u6587\u4e66\u68c0\u7d22\u7cfb\u7edf<\/strong>\uff1a\u5728\u5e9e\u5927\u6cd5\u5f8b\u6587\u4e66\u5e93\u4e2d\u9ad8\u6548\u68c0\u7d22\u51fa\u76f8\u5173\u4fe1\u606f\uff0c\u652f\u6301\u4e13\u4e1a\u4eba\u58eb\u7684\u6848\u4ef6\u5206\u6790\uff1b<\/li>\n<li><strong>\u6cd5\u89c4\u89e3\u8bfb\u4e0e\u8f85\u52a9\u51b3\u7b56<\/strong>\uff1a\u81ea\u52a8\u89e3\u6790\u6cd5\u89c4\u5185\u5bb9\uff0c\u4e3a\u6cd5\u5f8b\u54a8\u8be2\u548c\u51b3\u7b56\u8fc7\u7a0b\u63d0\u4f9b\u8bed\u4e49\u652f\u6301\u3002<\/li>\n<\/ul>\n<h2>7. \u603b\u7ed3<\/h2>\n<p>Embedding \u5fae\u8c03\u662f\u4e00\u79cd\u901a\u8fc7\u5229\u7528\u4e13\u4e1a\u9886\u57df\u6570\u636e\u5bf9\u9884\u8bad\u7ec3 Embedding \u6a21\u578b\u8fdb\u884c\u518d\u8bad\u7ec3\u7684\u65b9\u6cd5\u3002\u672c\u6587\u4ece\u7406\u8bba\u80cc\u666f\u3001\u6570\u636e\u6784\u5efa\u3001\u8bad\u7ec3\u6d41\u7a0b\u3001\u5173\u952e\u53c2\u6570\u8bbe\u8ba1\u5230\u8bc4\u4f30\u6307\u6807\u4e0e\u5b9e\u9645\u5e94\u7528\u7b49\u591a\u4e2a\u89d2\u5ea6\uff0c\u8be6\u7ec6\u9610\u8ff0\u4e86\u5982\u4f55\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\u8fdb\u884c Embedding \u5fae\u8c03\u3002\u7ecf\u8fc7\u5fae\u8c03\uff0c\u6a21\u578b\u4e0d\u4ec5\u80fd\u66f4\u597d\u5730\u6355\u6349\u6cd5\u5f8b\u4e13\u4e1a\u8bed\u4e49\uff0c\u8fd8\u80fd\u663e\u8457\u63d0\u5347\u6cd5\u5f8b\u95ee\u7b54\u7cfb\u7edf\u548c\u6587\u4e66\u68c0\u7d22\u7cfb\u7edf\u7684\u6574\u4f53\u8868\u73b0\uff0c\u4e3a\u6cd5\u5f8b\u4fe1\u606f\u670d\u52a1\u63d0\u4f9b\u66f4\u52a0\u7cbe\u51c6\u548c\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6587\u4e3a\u60a8\u63d0\u4f9b\u4e86\u6e05\u6670\u3001\u8fde\u8d2f\u7684 Embedding \u5fae\u8c03\u6559\u5b66\u601d\u8def\uff0c\u5e76\u80fd\u52a9\u60a8\u5728\u6cd5\u5f8b\u53ca\u5176\u4ed6\u4e13\u4e1a\u9886\u57df\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u7cbe\u51c6\u7684\u667a\u80fd\u5e94\u7528\u7cfb\u7edf\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><em>\u53c2\u8003\u8d44\u6599\uff1a<\/em><\/p>\n<ul>\n<li>\u300aRAG \u9ad8\u6548\u5e94\u7528\u6307\u5357\uff1aEmbedding \u6a21\u578b\u7684\u9009\u62e9\u548c\u5fae\u8c03\u300b<\/li>\n<li>Sentence Transformers \u76f8\u5173\u6587\u6863\u4e0e\u5b9e\u8df5\u6848\u4f8b<\/li>\n<li>Hugging Face \u53ca LlamaIndex \u5b98\u65b9\u6587\u6863<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u65e8\u5728\u4ece\u591a\u4e2a\u89d2\u5ea6\u8be6\u7ec6\u8bb2\u89e3 Embedding \u5fae\u8c03\u7684\u57fa\u672c\u6982\u5ff5\u3001\u6574\u4f53\u6d41\u7a0b\u548c\u5173\u952e\u6280\u672f\uff0c\u5e76\u63a2\u8ba8\u5176\u5728\u6cd5\u5f8b\u9886\u57df\u4e2d\u7684\u5b9e\u9645\u4f5c\u7528\u3002\u901a\u8fc7\u672c\u6587\uff0c\u8bfb\u8005\u5c06\u4e86\u89e3\u5982\u4f55\u5229\u7528\u6cd5\u5f8b\u9886\u57df\u7684\u4e13\u4e1a\u6570\u636e\u5bf9\u9884\u8bad\u7ec3\u7684 Embedding \u6a21\u578b\u8fdb\u884c\u5fae\u8c03\uff0c\u4ece\u800c\u63d0\u5347\u6cd5\u5f8b\u6587\u4e66\u68c0\u7d22\u3001\u6cd5\u89c4\u95ee\u7b54\u53ca&#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-27248","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/27248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/comments?post=27248"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/27248\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/media?parent=27248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/categories?post=27248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/tags?post=27248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}