{"id":5010,"date":"2024-11-07T10:57:26","date_gmt":"2024-11-07T02:57:26","guid":{"rendered":"https:\/\/nullthought.net\/?p=5010"},"modified":"2025-02-23T11:08:37","modified_gmt":"2025-02-23T03:08:37","slug":"moicl%ef%bc%9a%e4%b8%8a%e4%b8%8b%e6%96%87%e5%ad%a6%e4%b9%a0%e6%b7%b7%e5%90%88%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=5010","title":{"rendered":"MoICL\uff1a\u4e0a\u4e0b\u6587\u5b66\u4e60\u6df7\u5408\u6a21\u578b"},"content":{"rendered":"\n<p>\u8bba\u6587<strong><a href=\"https:\/\/arxiv.org\/abs\/2411.02830\" target=\"_blank\" rel=\"noreferrer noopener\">Mixtures of In-Context Learners<\/a><\/strong>\u63d0\u51fa\u4e86\u4e00\u79cd\u540d\u4e3a\u201c\u4e0a\u4e0b\u6587\u5b66\u4e60\u6df7\u5408\u6a21\u578b\uff08MoICL\uff09\u201d\u7684\u65b0\u65b9\u6cd5\uff0c\u4ee5\u89e3\u51b3\u73b0\u6709\u4e0a\u4e0b\u6587\u5b66\u4e60\u65b9\u6cd5\u5728\u793a\u4f8b\u9009\u62e9\u3001\u5185\u5b58\u6d88\u8017\u548c\u63a8\u7406\u6548\u7387\u7b49\u65b9\u9762\u7684\u7f3a\u9677\u3002MoICL\u4e0d\u4ec5\u5728\u6027\u80fd\u4e0a\u4f18\u4e8e\u73b0\u6709\u7684\u591a\u79cd\u57fa\u7ebf\u65b9\u6cd5\uff0c\u800c\u4e14\u5728\u8ba1\u7b97\u6548\u7387\u4e0a\u4e5f\u6709\u663e\u8457\u7684\u63d0\u5347\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u4e0d\u5e73\u8861\u548c\u566a\u58f0\u6570\u636e\u65b9\u9762\uff0c\u5c55\u73b0\u51fa\u4e86\u5f3a\u5927\u7684\u9c81\u68d2\u6027\u3002\u8fd9\u4f7f\u5f97MoICL\u5728\u9700\u8981\u9ad8\u6548\u3001\u7075\u6d3b\u7684\u4e0a\u4e0b\u6587\u5b66\u4e60\u7684\u5404\u79cd\u5e94\u7528\u4e2d\u5177\u6709\u5f88\u9ad8\u7684\u6f5c\u529b\u3002<\/p>\n\n\n\n<p>\u8bba\u6587\u4f5c\u8005\u4e3aGiwon Hong, Emile van Krieken, Edoardo Ponti, Nikolay Malkin, Pasquale Minervini\uff0c\u6765\u81eaUniversity of Edinburgh, United Kingdom\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"346\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-5.png\" alt=\"\" class=\"wp-image-5011\" srcset=\"https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-5.png 597w, https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-5-300x174.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><figcaption class=\"wp-element-caption\"><strong><a href=\"https:\/\/arxiv.org\/abs\/2411.02830\" target=\"_blank\" rel=\"noreferrer noopener\">Mixtures of In-Context Learners<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u8bba\u6587\u80cc\u666f\u4e0e\u6311\u6218<\/h4>\n\n\n\n<p><strong><a href=\"https:\/\/nullthought.net\/?p=5522\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e0a\u4e0b\u6587\u5b66\u4e60\uff08In-Context Learning, ICL\uff09<\/a><\/strong> \u662f\u4e00\u79cd\u65e0\u9700\u5bf9\u6a21\u578b\u8fdb\u884c\u989d\u5916\u5fae\u8c03\u7684\u5b66\u4e60\u65b9\u5f0f\uff0c\u6a21\u578b\u901a\u8fc7\u63d0\u4f9b\u8f93\u5165\u2013\u8f93\u51fa\u5bf9\uff08\u793a\u4f8b\uff09\u6765\u8fdb\u884c\u4efb\u52a1\u9002\u5e94\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5927\u8bed\u8a00\u6a21\u578b\uff08Large Language Models, LLMs\uff09\u4e2d\u5df2\u7ecf\u5c55\u73b0\u51fa\u663e\u8457\u7684\u6548\u679c\uff08\u5982GPT-3\uff09\uff0c\u4f46\u5b83\u5b58\u5728\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u6311\u6218\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u793a\u4f8b\u9009\u62e9\u4e0d\u4f73<\/strong>\uff1a\u73b0\u6709\u7684ICL\u65b9\u6cd5\u901a\u5e38\u662f\u901a\u8fc7\u542f\u53d1\u5f0f\u89c4\u5219\u6765\u9009\u62e9\u793a\u4f8b\uff0c\u7f3a\u4e4f\u5bf9\u793a\u4f8b\u4e4b\u95f4\u5173\u7cfb\u548c\u5176\u5bf9\u6a21\u578b\u6cdb\u5316\u80fd\u529b\u7684\u91cf\u5316\u5206\u6790\u3002\u8fd9\u79cd\u968f\u673a\u9009\u62e9\u793a\u4f8b\u7684\u65b9\u5f0f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6a21\u578b\u6027\u80fd\u4e0d\u7a33\u5b9a\uff0c\u7279\u522b\u662f\u5728\u793a\u4f8b\u8d28\u91cf\u5dee\u5f02\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u590d\u6742\u5ea6\u9ad8<\/strong>\uff1a\u7531\u4e8e\u793a\u4f8b\u88ab\u76f4\u63a5\u62fc\u63a5\u5230\u6a21\u578b\u8f93\u5165\u4e2d\uff0cTransformer\u7ed3\u6784\u4e2d\u81ea\u6ce8\u610f\u529b\u673a\u5236\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u4f1a\u968f\u4e0a\u4e0b\u6587\u957f\u5ea6\u5448\u4e8c\u6b21\u589e\u957f\u3002\u5f53\u793a\u4f8b\u6570\u91cf\u589e\u52a0\u65f6\uff0c\u8fd9\u79cd\u8ba1\u7b97\u4ee3\u4ef7\u4f1a\u53d8\u5f97\u4e0d\u53ef\u63a5\u53d7\uff0c\u5bfc\u81f4\u5185\u5b58\u6d88\u8017\u8fc7\u9ad8\u4ee5\u53ca\u63a8\u7406\u65f6\u95f4\u8fc7\u957f\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u7a33\u5b9a\u7684\u6cdb\u5316\u6027\u80fd<\/strong>\uff1aICL\u65b9\u6cd5\u5bf9\u6240\u9009\u793a\u4f8b\u7684\u8d28\u91cf\u548c\u6570\u91cf\u9ad8\u5ea6\u654f\u611f\u3002\u4f8b\u5982\uff0c\u5f53\u67d0\u4e9b\u793a\u4f8b\u6765\u81ea\u4e0d\u540c\u7684\u6570\u636e\u96c6\u6216\u8005\u5b58\u5728\u6807\u7b7e\u4e0d\u5e73\u8861\u7684\u60c5\u51b5\u65f6\uff0c\u6a21\u578b\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u5927\u5e45\u4e0b\u964d\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">2. MoICL\u65b9\u6cd5\u6982\u8ff0<\/h4>\n\n\n\n<p>\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u8bba\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u7684\u5b66\u4e60\u65b9\u6cd5\uff0c\u5373<strong>\u4e0a\u4e0b\u6587\u5b66\u4e60\u6df7\u5408\u6a21\u578b\uff08Mixtures of In-Context Learners, MoICL\uff09<\/strong>\u3002MoICL\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u793a\u4f8b\u96c6\u5212\u5206\u4e3a\u82e5\u5e72\u5b50\u96c6\uff0c\u6bcf\u4e2a\u5b50\u96c6\u4f5c\u4e3a\u4e00\u4e2a\u201c\u4e13\u5bb6\uff08expert\uff09\u201d\uff0c\u5e76\u901a\u8fc7\u5b66\u4e60\u4e00\u4e2a\u52a0\u6743\u51fd\u6570\u5c06\u8fd9\u4e9b\u4e13\u5bb6\u7684\u8f93\u51fa\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u4ece\u800c\u83b7\u5f97\u6700\u7ec8\u7684\u9884\u6d4b\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.1 \u65b9\u6cd5\u539f\u7406<\/h5>\n\n\n\n<p>MoICL\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u793a\u4f8b\u96c6\u5212\u5206<\/strong>\uff1a\u5c06\u793a\u4f8b\u96c6 D \u5212\u5206\u4e3a k\u4e2a\u4e0d\u76f8\u4ea4\u7684\u5b50\u96c6\uff0c\u8bb0\u4f5c D<sub>1<\/sub>,D<sub>2<\/sub>,\u2026,D<sub>k<\/sub>\u3002\u8fd9\u4e9b\u5b50\u96c6\u5206\u522b\u4ee3\u8868\u4e0d\u540c\u7684\u4e13\u5bb6\uff0c\u6bcf\u4e2a\u4e13\u5bb6\u4e13\u6ce8\u4e8e\u4e00\u90e8\u5206\u793a\u4f8b\u7684\u6570\u636e\u7279\u5f81\u200b\u3002<\/li>\n\n\n\n<li><strong>\u4e13\u5bb6\u8bad\u7ec3<\/strong>\uff1a\u6bcf\u4e2a\u5b50\u96c6 D<sub>i<\/sub>\u200b \u88ab\u7528\u4e8e\u8bad\u7ec3\u4e00\u4e2a\u4e13\u5bb6\u6a21\u578b\uff0c\u4ee5\u751f\u6210\u5176\u5bf9\u4e0b\u4e00\u4e2a\u8bcd\u7684\u6982\u7387\u5206\u5e03\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u7ed9\u5b9a\u4e00\u4e2a\u8f93\u5165\u6587\u672c x\u548c\u5b50\u96c6 D<sub>i<\/sub>\u200b\uff0c\u6a21\u578b\u751f\u6210\u7684\u6982\u7387\u4e3a p(y\u2223D<sub>i<\/sub>,x)\u3002\u8fd9\u4e9b\u4e13\u5bb6\u72ec\u7acb\u5730\u8fdb\u884c\u9884\u6d4b\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>\u52a0\u6743\u7ec4\u5408<\/strong>\uff1a\u901a\u8fc7\u4e00\u4e2a\u52a0\u6743\u51fd\u6570\u6765\u5408\u5e76\u8fd9\u4e9b\u4e13\u5bb6\u7684\u9884\u6d4b\u3002\u52a0\u6743\u51fd\u6570\u53ef\u4ee5\u662f\u7b80\u5355\u7684\u6807\u91cf\u6743\u91cd\u6216\u662f\u901a\u8fc7\u8d85\u7f51\u7edc\uff08hyper-network\uff09\u751f\u6210\u7684\u52a8\u6001\u6743\u91cd\u3002\u52a0\u6743\u540e\u7684\u6700\u7ec8\u9884\u6d4b\u4e3a\uff1a<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"464\" height=\"101\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-6.png\" alt=\"\" class=\"wp-image-5012\" srcset=\"https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-6.png 464w, https:\/\/nullthought.net\/wp-content\/uploads\/2024\/11\/image-6-300x65.png 300w\" sizes=\"auto, (max-width: 464px) 100vw, 464px\" \/><\/figure>\n\n\n\n<p>\u5176\u4e2d w<sub>i<\/sub>\u662f\u4e13\u5bb6 D<sub>i<\/sub>\u7684\u6743\u91cd\uff0c\u7528\u4e8e\u8868\u793a\u6bcf\u4e2a\u4e13\u5bb6\u5bf9\u6700\u7ec8\u8f93\u51fa\u7684\u8d21\u732e\u3002\u8fd9\u4e2a\u52a0\u6743\u51fd\u6570\u7684\u5b66\u4e60\u53ef\u4ee5\u901a\u8fc7\u68af\u5ea6\u4f18\u5316\u6765\u5b8c\u6210\uff0c\u4f7f\u5f97\u6a21\u578b\u80fd\u591f\u8bc6\u522b\u54ea\u4e9b\u793a\u4f8b\u5b50\u96c6\u66f4\u4e3a\u6709\u6548\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.2 \u6743\u91cd\u51fd\u6570\u8bbe\u8ba1<\/h5>\n\n\n\n<p>MoICL\u5728\u52a0\u6743\u7ec4\u5408\u65f6\uff0c\u91c7\u7528\u4e86\u4e24\u79cd\u6743\u91cd\u51fd\u6570\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6807\u91cf\u6743\u91cd\uff08Scalar Weights\uff09<\/strong>\uff1a\u6bcf\u4e2a\u4e13\u5bb6\u5b50\u96c6\u90fd\u6709\u4e00\u4e2a\u56fa\u5b9a\u7684\u6807\u91cf\u6743\u91cd\uff0c\u8868\u793a\u5176\u5bf9\u9884\u6d4b\u7684\u8d21\u732e\u3002\u8fd9\u4e9b\u6743\u91cd\u901a\u8fc7\u8bad\u7ec3\u96c6\u8fdb\u884c\u4f18\u5316\uff0c\u521d\u59cb\u65f6\u5747\u5300\u5206\u5e03\uff0c\u7136\u540e\u901a\u8fc7\u68af\u5ea6\u4f18\u5316\u6765\u8c03\u6574\u3002<\/li>\n\n\n\n<li><strong>\u8d85\u7f51\u7edc\u6743\u91cd\uff08Hyper-network Weights\uff09<\/strong>\uff1a\u91c7\u7528\u4e00\u4e2a\u8f83\u5c0f\u7684\u795e\u7ecf\u7f51\u7edc\u6765\u751f\u6210\u6bcf\u4e2a\u4e13\u5bb6\u7684\u6743\u91cd\u3002\u8d85\u7f51\u7edc\u7684\u8f93\u5165\u662f\u6240\u6709\u5b50\u96c6\u7684\u793a\u4f8b\uff0c\u8f93\u51fa\u662f\u5bf9\u5e94\u7684\u6743\u91cd\u3002\u76f8\u6bd4\u4e8e\u6807\u91cf\u6743\u91cd\uff0c\u8d85\u7f51\u7edc\u6743\u91cd\u5177\u6709\u66f4\u5f3a\u7684\u6cdb\u5316\u80fd\u529b\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u9762\u5bf9\u65b0\u7684\u793a\u4f8b\u65f6\u52a8\u6001\u8c03\u6574\u6743\u91cd\u200b\u3002<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\">2.3 \u7a00\u758f\u5316\u6743\u91cd<\/h5>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\uff0cMoICL\u8fd8\u5f15\u5165\u4e86<strong>\u7a00\u758f\u5316\u6743\u91cd<\/strong>\u7684\u6982\u5ff5\uff0c\u5373\u5728\u6bcf\u6b21\u9884\u6d4b\u65f6\uff0c\u4ec5\u5bf9\u5c11\u6570\u51e0\u4e2a\u5b50\u96c6\u5206\u914d\u975e\u96f6\u6743\u91cd\uff0c\u4ece\u800c\u51cf\u5c11\u9700\u8981\u8ba1\u7b97\u7684\u4e13\u5bb6\u6570\u91cf\u3002\u8fd9\u79cd\u65b9\u6cd5\u6709\u6548\u5730\u964d\u4f4e\u4e86\u8ba1\u7b97\u590d\u6742\u5ea6\u548c\u63a8\u7406\u65f6\u95f4\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u9ad8\u7684\u9884\u6d4b\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u5b9e\u9a8c\u4e0e\u7ed3\u679c\u5206\u6790<\/h4>\n\n\n\n<p>\u4e3a\u4e86\u9a8c\u8bc1MoICL\u7684\u6709\u6548\u6027\uff0c\u4f5c\u8005\u8fdb\u884c\u4e86\u591a\u7ec4\u5b9e\u9a8c\uff0c\u6db5\u76d6\u4e86\u4e94\u4e2a\u5206\u7c7b\u6570\u636e\u96c6\u548c\u4e00\u4e2a\u751f\u6210\u4efb\u52a1\u7684\u6570\u636e\u96c6\u3002\u4ee5\u4e0b\u662f\u5b9e\u9a8c\u7684\u4e3b\u8981\u7ed3\u679c\u548c\u5206\u6790\uff1a<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">3.1 \u5206\u7c7b\u4efb\u52a1\u4e2d\u7684\u8868\u73b0<\/h5>\n\n\n\n<p>\u5728\u4e94\u4e2a\u5206\u7c7b\u6570\u636e\u96c6\u4e0a\uff08TweetEval\u3001SST2\u3001RTE\u3001FEVER\u3001PAWS\uff09\uff0cMoICL\u76f8\u6bd4\u4e8e\u4f20\u7edf\u7684ICL\u548c\u5176\u4ed6\u57fa\u7ebf\u65b9\u6cd5\u5c55\u73b0\u4e86\u663e\u8457\u7684\u6027\u80fd\u63d0\u5347\u3002\u4f8b\u5982\uff0c\u5728TweetEval\u6570\u636e\u96c6\u4e0a\u7684\u4ec7\u6068\u8a00\u8bba\u5206\u7c7b\u4efb\u52a1\u4e2d\uff0cMoICL\u7684\u51c6\u786e\u7387\u76f8\u6bd4\u4e8e\u4f20\u7edf\u7684ICL\u63d0\u9ad8\u4e86\u7ea613%\u3002MoICL\u5728\u9762\u5bf9\u4e0d\u5e73\u8861\u6807\u7b7e\u7684\u60c5\u51b5\u4e0b\uff0c\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u8f83\u597d\u7684\u6cdb\u5316\u6027\u80fd\uff0c\u5176\u6807\u91cf\u6743\u91cd\u914d\u7f6e\u5728\u591a\u79cd\u8bbe\u7f6e\u4e0b\u5747\u4f18\u4e8e\u5176\u4ed6\u65b9\u6cd5\u200b\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">3.2 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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