{"id":4312,"date":"2025-09-08T16:41:22","date_gmt":"2025-09-08T08:41:22","guid":{"rendered":"https:\/\/www.ihub1.com\/?p=4312"},"modified":"2025-09-08T16:42:54","modified_gmt":"2025-09-08T08:42:54","slug":"meta%e8%b6%85%e7%ba%a7%e6%99%ba%e8%83%bd%e5%ae%9e%e9%aa%8c%e5%ae%a4%e9%a6%96%e7%af%87%e8%ae%ba%e6%96%87%e9%87%8d%e6%96%b0%e5%ae%9a%e4%b9%89rag","status":"publish","type":"post","link":"https:\/\/www.ihub1.com\/index.php\/2025\/09\/08\/meta%e8%b6%85%e7%ba%a7%e6%99%ba%e8%83%bd%e5%ae%9e%e9%aa%8c%e5%ae%a4%e9%a6%96%e7%af%87%e8%ae%ba%e6%96%87%e9%87%8d%e6%96%b0%e5%ae%9a%e4%b9%89rag\/","title":{"rendered":"Meta\u8d85\u7ea7\u667a\u80fd\u5b9e\u9a8c\u5ba4\u9996\u7bc7\u8bba\u6587:\u91cd\u65b0\u5b9a\u4e49RAG"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4312\" class=\"elementor elementor-4312\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b3120be e-flex e-con-boxed e-con e-parent\" data-id=\"b3120be\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c95b6cf elementor-widget elementor-widget-text-editor\" data-id=\"c95b6cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.19.0 - 28-02-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><strong>Meta \u8d85\u7ea7\u667a\u80fd\u5b9e\u9a8c\u5ba4<\/strong>\u7684<strong>\u9996\u7bc7<\/strong>\u8bba\u6587\uff0c\u6765\u4e86\u2014\u2014<\/p><p>\u63d0\u51fa\u4e86\u4e00\u4e2a\u540d\u4e3a<strong>REFRAG<\/strong>\u7684\u9ad8\u6548\u89e3\u7801\u6846\u67b6\uff0c\u91cd\u65b0\u5b9a\u4e49\u4e86 RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\uff0c\u6700\u9ad8\u53ef\u5c06\u9996\u5b57\u751f\u6210\u5ef6\u8fdf\uff08TTFT\uff09\u52a0\u901f 30 \u500d\u3002<\/p><div id=\"id_imagebox_0\" class=\"img_box \"><div class=\"content_img_div perview_img_div\"><img decoding=\"async\" id=\"img_0\" class=\"opacity_0\" src=\"https:\/\/zkres1.myzaker.com\/202509\/68be8293b15ec041b24e1a5a_1024.jpg\" data-height=\"278\" data-width=\"1438\" \/><\/div><\/div><p>\u6bd5\u7adf\u7b97\u662f\u8d85\u7ea7\u667a\u80fd\u5b9e\u9a8c\u7684 &#8221; \u5f00\u5c71\u4e4b\u4f5c &#8220;\uff0c\u7814\u7a76\u4e00\u51fa\uff0c\u5c31\u5df2\u7ecf\u5728\u7f51\u4e0a\u6380\u8d77\u4e86\u4e0d\u5c11\u7684\u70ed\u8bae\u3002<\/p><div id=\"id_imagebox_1\" class=\"img_box \"><div class=\"content_img_div perview_img_div\"><img decoding=\"async\" id=\"img_1\" class=\"opacity_0\" src=\"https:\/\/zkres1.myzaker.com\/202509\/68be8293b15ec041b24e1a5b_1024.jpg\" data-height=\"1430\" data-width=\"1412\" \/><\/div><\/div><p>\u4f8b\u5982 Reddti \u7f51\u53cb\u8868\u793a\uff1a<\/p><p>\u82e5\u6548\u679c\u771f\u5982\u7814\u7a76\u6240\u8bf4\u7684\u90a3\u6837\uff0c\u90a3\u5bf9 RAG \u6765\u8bf4\u662f\u76f8\u5f53\u4e0d\u9519\u7684\u6539\u8fdb\uff0c\u770b\u8d77\u6765\u53ef\u4ee5\u505a\u5230\u5728\u4e0d\u727a\u7272\u51c6\u786e\u6027\u7684\u60c5\u51b5\u4e0b\uff0c\u80fd\u663e\u8457\u63d0\u9ad8\u901f\u5ea6\u548c\u4e0a\u4e0b\u6587\u5927\u5c0f\u3002<\/p><div id=\"id_imagebox_2\" class=\"img_box \"><div class=\"content_img_div perview_img_div\"><img decoding=\"async\" id=\"img_2\" class=\"opacity_0\" src=\"https:\/\/zkres1.myzaker.com\/202509\/68be8293b15ec041b24e1a5c_1024.jpg\" data-height=\"620\" data-width=\"1650\" \/><\/div><\/div><p>\u5929\u4e0b\u82e6 RAG \u4e0a\u4e0b\u6587\u8ba1\u7b97\u5197\u4f59\u4e45\u77e3<\/p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u7406\u89e3\u5e76\u56de\u987e\u4e00\u4e0b RAG \u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p><p>\u5f53\u4e00\u4e2a\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u88ab\u8981\u6c42\u56de\u7b54\u9700\u8981\u7cbe\u786e\u80cc\u666f\u77e5\u8bc6\u7684\u95ee\u9898\u65f6\uff0c\u5982\u679c\u4ec5\u4f9d\u8d56\u5b83\u5185\u90e8\u53c2\u6570\u5316\u7684\u77e5\u8bc6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e8b\u5b9e\u6027\u9519\u8bef\u6216\u4fe1\u606f\u6ede\u540e\u7b49\u60c5\u51b5\u3002<\/p><p>\u800c RAG \u5c31\u901a\u8fc7\u4e00\u4e2a\u5916\u90e8\u77e5\u8bc6\u5e93\uff08\u5982\u4f01\u4e1a\u6587\u6863\u3001\u4e13\u4e1a\u6570\u636e\u5e93\u7b49\uff09\u8fdb\u884c\u68c0\u7d22\uff0c\u5c06\u4e0e\u95ee\u9898\u6700\u76f8\u5173\u7684\u4fe1\u606f\u63d0\u53d6\u51fa\u6765\uff0c\u4f5c\u4e3a\u4e0a\u4e0b\u6587\u4e0e\u539f\u59cb\u95ee\u9898\u4e00\u540c\u63d0\u4f9b\u7ed9 LLM\u3002LLM \u5728\u83b7\u5f97\u8fd9\u4e9b\u7cbe\u786e\u7684\u53c2\u8003\u8d44\u6599\u540e\uff0c\u5c31\u80fd\u751f\u6210\u5185\u5bb9\u66f4\u53ef\u9760\u3001\u66f4\u5177\u65f6\u6548\u6027\u7684\u7b54\u6848\u3002<\/p><p>\u7136\u800c\uff0c\u8fd9\u4e2a\u6a21\u5f0f\u5728\u5de5\u7a0b\u65b9\u9762\u4e5f\u5e26\u6765\u4e86\u4e0d\u5c0f\u7684\u6311\u6218\uff0c\u5373<strong>\u63a8\u7406\u6548\u7387\u4e0e\u4fe1\u606f\u91cf\u7684\u6743\u8861<\/strong>\u3002<\/p><p>\u5f53 AI \u68c0\u7d22\u5230\u7684\u53c2\u8003\u8d44\u6599\u975e\u5e38\u591a\uff08\u4e5f\u5c31\u662f\u6211\u4eec\u901a\u5e38\u8bf4\u7684 &#8221; \u957f\u4e0a\u4e0b\u6587 &#8220;\uff09\u65f6\uff0cLLM \u7684\u5904\u7406\u8d1f\u62c5\u4f1a\u5927\u5e45\u589e\u52a0\u3002<\/p><p>\u6a21\u578b\u5904\u7406\u4e0a\u4e0b\u6587\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u901a\u5e38\u4e0e\u4e0a\u4e0b\u6587\u957f\u5ea6\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\uff0c\u5bfc\u81f4<strong>\u751f\u6210\u7b2c\u4e00\u4e2a\u5b57\u7684\u5ef6\u8fdf<\/strong>\uff08Time-to-First-Token, TTFT\uff09\u663e\u8457\u589e\u52a0\uff0c\u8fd9\u76f4\u63a5\u5f71\u54cd\u4e86\u5b9e\u65f6\u4ea4\u4e92\u5e94\u7528\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p><p>\u540c\u65f6\uff0c\u5904\u7406\u957f\u4e0a\u4e0b\u6587\u4e5f\u610f\u5473\u7740\u66f4\u9ad8\u7684\u8ba1\u7b97\u548c\u5185\u5b58\u5f00\u9500\uff0c\u4e3a\u7cfb\u7edf\u7684\u89c4\u6a21\u5316\u90e8\u7f72\u5e26\u6765\u4e86\u6311\u6218\u3002<\/p><div id=\"id_imagebox_3\" class=\"img_box \"><div class=\"content_img_div perview_img_div\"><img decoding=\"async\" id=\"img_3\" class=\"opacity_0\" src=\"https:\/\/zkres1.myzaker.com\/202509\/68be8293b15ec041b24e1a5d_1024.jpg\" data-height=\"1294\" data-width=\"2314\" \/><\/div><\/div><p>\u57fa\u4e8e\u8fd9\u6837\u7684\u80cc\u666f\uff0cMeta \u8d85\u7ea7\u667a\u80fd\u5b9e\u9a8c\u5ba4\u7684\u7814\u7a76\u4eba\u5458\u53d1\u73b0\uff0c\u5728 RAG \u5e94\u7528\u4e2d\uff0cLLM \u5904\u7406\u68c0\u7d22\u5230\u7684\u591a\u4e2a\u6587\u6863\u65f6\uff0c\u5176<strong>\u8ba1\u7b97\u8fc7\u7a0b\u5b58\u5728\u5927\u91cf\u5197\u4f59<\/strong>\u3002<\/p><p>\u901a\u8fc7\u5b9e\u9a8c\uff0c\u4ed6\u4eec\u89c2\u5bdf\u5230\u6a21\u578b\u5185\u90e8\u7684\u6ce8\u610f\u529b\u673a\u5236\u5728\u5904\u7406\u8fd9\u4e9b\u6587\u6863\u65f6\uff0c\u5448\u73b0\u51fa\u4e00\u79cd<strong>&#8221; \u5757\u5bf9\u89d2 &#8220;\uff08block-diagonal\uff09<\/strong>\u7684\u7a00\u758f\u6a21\u5f0f\u3002<\/p><p>\u8fd9\u610f\u5473\u7740\uff0c\u6a21\u578b\u7684\u6ce8\u610f\u529b\u4e3b\u8981\u96c6\u4e2d\u5728\u5355\u4e2a\u6587\u6863\u5185\u90e8\uff0c\u4ee5\u53ca\u5404\u6587\u6863\u4e0e\u7528\u6237\u95ee\u9898\u4e4b\u95f4\u7684\u5173\u8054\u4e0a\u3002\u800c\u4e0d\u540c\u6587\u6863\u7247\u6bb5\u4e4b\u95f4\u7684\u4ea4\u53c9\u6ce8\u610f\u529b\u5f97\u5206\u901a\u5e38\u5f88\u4f4e\uff0c\u8868\u660e\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u6027\u8f83\u5f31\u3002<\/p><p>\u7136\u800c\uff0c\u6807\u51c6\u7684 Transformer \u67b6\u6784\u5e76\u4e0d\u4f1a\u533a\u5206\u8fd9\u4e9b\u5173\u8054\u6027\u7684\u5f3a\u5f31\uff0c\u800c\u662f\u5bf9\u4e0a\u4e0b\u6587\u4e2d\u7684\u6240\u6709\u8bcd\u5143\uff08token\uff09\u8fdb\u884c\u5168\u5c40\u7684\u6ce8\u610f\u529b\u8ba1\u7b97\uff0c\u8fd9\u5bfc\u81f4\u4e86\u5927\u91cf\u8ba1\u7b97\u8d44\u6e90\u88ab\u6d88\u8017\u5728\u5206\u6790\u90a3\u4e9b\u5173\u8054\u6027\u5f88\u5f31\u7684\u6587\u6863\u7247\u6bb5\u4e0a\u3002<\/p><p>\u57fa\u4e8e\u8fd9\u4e00\u89c2\u5bdf\uff0c\u7814\u7a76\u56e2\u961f\u63d0\u51fa\uff1a<strong>RAG \u89e3\u7801\u8fc7\u7a0b\u4e2d\u7684\u5927\u90e8\u5206\u6ce8\u610f\u529b\u8ba1\u7b97\u5bf9\u4e8e\u6700\u7ec8\u7ed3\u679c\u7684\u8d21\u732e\u6709\u9650\uff0c\u53ef\u4ee5\u5728\u4e0d\u663e\u8457\u5f71\u54cd\u6027\u80fd\u7684\u524d\u63d0\u4e0b\u88ab\u4f18\u5316\u6216\u79fb\u9664\u3002<\/strong><\/p><p>REFRAG\uff0c\u5c31\u6b64\u5e94\u8fd0\u800c\u751f\u3002<\/p><p>REFRAG\uff1a\u4e00\u79cd\u9009\u62e9\u6027\u538b\u7f29\u89e3\u7801\u65b9\u6848<\/p><p>REFRAG \u8fd9\u4e2a\u6846\u67b6\uff0c\u4e3b\u8981\u901a\u8fc7<strong>&#8221; \u538b\u7f29\uff08Compress\uff09\u3001\u611f\u77e5\uff08Sense\uff09\u3001\u6269\u5c55\uff08Expand\uff09&#8221;<\/strong>\u7684\u6d41\u7a0b\uff0c\u4f18\u5316\u4e86 LLM \u5904\u7406\u5916\u90e8\u77e5\u8bc6\u7684\u65b9\u5f0f\u3002<\/p><div id=\"id_imagebox_4\" class=\"img_box \"><div class=\"content_img_div perview_img_div\"><img decoding=\"async\" id=\"img_4\" class=\"opacity_0\" src=\"https:\/\/zkres1.myzaker.com\/202509\/68be8293b15ec041b24e1a5e_1024.jpg\" data-height=\"916\" data-width=\"2160\" \/><\/div><\/div><p>\u538b\u7f29\uff1a\u5c06\u4e0a\u4e0b\u6587\u8f6c\u6362\u4e3a\u7d27\u51d1\u8868\u5f81<\/p><p>REFRAG \u9996\u5148\u6539\u53d8\u4e86\u4e0a\u4e0b\u6587\u7684\u5448\u73b0\u65b9\u5f0f\uff0c\u5b83\u6ca1\u6709\u5c06\u6240\u6709\u68c0\u7d22\u5230\u7684\u539f\u59cb\u6587\u672c\u76f4\u63a5\u8f93\u5165\u7ed9\u4e3b LLM\uff0c\u800c\u662f\u5f15\u5165\u4e86\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u7f16\u7801\u5668\u6a21\u578b\u3002<\/p><p>\u8fd9\u4e2a\u7f16\u7801\u5668\u5c06\u957f\u7bc7\u7684\u53c2\u8003\u8d44\u6599\u5207\u5206\u4e3a\u591a\u4e2a &#8221; \u5757 &#8220;\uff08chunks\uff09\uff0c\u5e76\u4e3a\u6bcf\u4e2a &#8221; \u5757 &#8221; \u751f\u6210\u4e00\u4e2a\u7d27\u51d1\u7684\u5411\u91cf\u8868\u793a\u2014\u2014 &#8221; \u5757\u5d4c\u5165 &#8220;\uff08chunk embedding\uff09\u3002\u8fd9\u4e2a &#8221; \u5757\u5d4c\u5165 &#8221; \u53ef\u4ee5\u89c6\u4e3a\u539f\u59cb\u6587\u672c\u5757\u7684\u6d53\u7f29\u6458\u8981\u3002<\/p><p>\u8fd9\u4e00\u6b65\u9aa4\u5e26\u6765\u4e86\u4e24\u4e2a\u76f4\u63a5\u7684\u597d\u5904\uff0c\u9996\u5148\u5c31\u662f\u7f29\u77ed\u8f93\u5165\u5e8f\u5217\u957f\u5ea6\uff0c\u56e0\u4e3a LLM \u9700\u8981\u5904\u7406\u7684\u8f93\u5165\u4ece\u6570\u5343\u4e2a\u8bcd\u5143\u7f29\u51cf\u4e3a\u6570\u767e\u4e2a &#8221; \u5757\u5d4c\u5165 &#8220;\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u540e\u7eed\u7684\u8ba1\u7b97\u91cf\u3002<\/p><p>\u5176\u6b21\u662f\u7531\u4e8e\u8fd9\u4e9b &#8221; \u5757\u5d4c\u5165 &#8221; \u53ef\u4ee5\u88ab\u9884\u5148\u8ba1\u7b97\u5e76\u5b58\u50a8\uff0c\u5f53\u77e5\u8bc6\u5e93\u4e2d\u7684\u540c\u4e00\u6587\u6863\u88ab\u518d\u6b21\u68c0\u7d22\u65f6\uff0c\u7cfb\u7edf\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u7f13\u5b58\u7684\u5d4c\u5165\uff0c\u907f\u514d\u4e86\u91cd\u590d\u7684\u7f16\u7801\u8ba1\u7b97\u3002<\/p><p>\u611f\u77e5\uff1a\u667a\u80fd\u5224\u65ad\u5173\u952e\u4fe1\u606f<\/p><p>\u8003\u8651\u5230\u5e76\u975e\u6240\u6709\u4fe1\u606f\u90fd\u9002\u5408\u538b\u7f29\uff0c\u67d0\u4e9b\u5305\u542b\u5173\u952e\u7ec6\u8282\u7684\u6587\u672c\u7247\u6bb5\u9700\u8981\u88ab\u4fdd\u7559\u3002<\/p><p>\u4e3a\u6b64\uff0cREFRAG 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