{"id":70079,"date":"2026-02-01T14:41:57","date_gmt":"2026-02-01T06:41:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/70079.html"},"modified":"2026-02-01T14:41:57","modified_gmt":"2026-02-01T06:41:57","slug":"%e8%b0%b7%e6%ad%8c%ef%bc%9allm%e5%af%b9%e8%af%9d%e4%b8%ad%e7%ba%bf%e6%80%a7%e8%a1%a8%e5%be%81%e5%8a%a8%e6%80%81%e9%87%8d%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/70079.html","title":{"rendered":"\u8c37\u6b4c\uff1aLLM\u5bf9\u8bdd\u4e2d\u7ebf\u6027\u8868\u5f81\u52a8\u6001\u91cd\u6784"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

📖\u6807\u9898：Linear representations in language models can change dramatically over a conversation
\n🌐\u6765\u6e90：arXiv, 2601.20834v1<\/p>\n

🌟\u6458\u8981<\/h2>\n

\u8bed\u8a00\u6a21\u578b\u8868\u793a\u901a\u5e38\u5305\u542b\u4e0e\u9ad8\u7ea7\u6982\u5ff5\u76f8\u5bf9\u5e94\u7684\u7ebf\u6027\u65b9\u5411\u3002\u5728\u8fd9\u91cc，\u6211\u4eec\u7814\u7a76\u4e86\u8fd9\u4e9b\u8868\u793a\u7684\u52a8\u6001：\u5728（\u6a21\u62df）\u5bf9\u8bdd\u7684\u4e0a\u4e0b\u6587\u4e2d，\u8868\u793a\u662f\u5982\u4f55\u6cbf\u7740\u8fd9\u4e9b\u7ef4\u5ea6\u53d1\u5c55\u7684\u3002\u6211\u4eec\u53d1\u73b0\u7ebf\u6027\u8868\u793a\u53ef\u4ee5\u5728\u5bf9\u8bdd\u4e2d\u53d1\u751f\u5de8\u5927\u53d8\u5316；\u4f8b\u5982，\u5728\u5bf9\u8bdd\u5f00\u59cb\u65f6\u8868\u793a\u4e3a\u4e8b\u5b9e\u7684\u4fe1\u606f\u53ef\u4ee5\u5728\u5bf9\u8bdd\u7ed3\u675f\u65f6\u8868\u793a\u4e3a\u975e\u4e8b\u5b9e，\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u4e9b\u53d8\u5316\u4f9d\u8d56\u4e8e\u5185\u5bb9；\u867d\u7136conversation-relevant\u4fe1\u606f\u7684\u8868\u793a\u53ef\u80fd\u4f1a\u6539\u53d8，\u4f46\u4e00\u822c\u4fe1\u606f\u901a\u5e38\u4f1a\u4fdd\u7559\u3002\u5373\u4f7f\u5bf9\u4e8e\u5c06\u4e8b\u5b9e\u6027\u4e0e\u66f4\u80a4\u6d45\u7684\u53cd\u5e94\u6a21\u5f0f\u5206\u5f00\u7684\u7ef4\u5ea6，\u8fd9\u4e9b\u53d8\u5316\u4e5f\u662f\u7a33\u5065\u7684，\u5e76\u4e14\u53d1\u751f\u5728\u6a21\u578b\u7684\u4e0d\u540c\u6a21\u578b\u5bb6\u65cf\u548c\u5c42\u4e4b\u95f4\u3002\u8fd9\u4e9b\u8868\u5f81\u53d8\u5316\u4e0d\u9700\u8981\u653f\u7b56\u4e0a\u7684\u5bf9\u8bdd；\u5373\u4f7f\u91cd\u64ad\u7531\u5b8c\u5168\u4e0d\u540c\u7684\u6a21\u578b\u7f16\u5199\u7684\u5bf9\u8bdd\u811a\u672c\u4e5f\u4f1a\u4ea7\u751f\u7c7b\u4f3c\u7684\u53d8\u5316\u3002\u7136\u800c，\u4ec5\u4ec5\u5c06\u79d1\u5e7b\u6545\u4e8b\u653e\u5728\u66f4\u660e\u786e\u7684\u4e0a\u4e0b\u6587\u4e2d，\u9002\u5e94\u6027\u8981\u5f31\u5f97\u591a\u3002\u6211\u4eec\u8fd8\u8868\u660e，\u6cbf\u7740\u8868\u5f81\u65b9\u5411\u8f6c\u5411\u4f1a\u5728\u5bf9\u8bdd\u7684\u4e0d\u540c\u70b9\u4ea7\u751f\u622a\u7136\u4e0d\u540c\u7684\u6548\u679c\u3002\u8fd9\u4e9b\u7ed3\u679c\u4e0e\u8fd9\u6837\u4e00\u79cd\u89c2\u70b9\u4e00\u81f4，\u5373\u8868\u5f81\u53ef\u80fd\u4f1a\u968f\u7740\u6a21\u578b\u626e\u6f14\u5bf9\u8bdd\u63d0\u793a\u7684\u7279\u5b9a\u89d2\u8272\u800c\u8fdb\u5316\u3002\u6211\u4eec\u7684\u53d1\u73b0\u53ef\u80fd\u4f1a\u5bf9\u53ef\u89e3\u91ca\u6027\u548c\u8f6c\u5411\u63d0\u51fa\u6311\u6218\u2014\u2014\u7279\u522b\u662f，\u5b83\u4eec\u6697\u793a\u4f7f\u7528\u7279\u5f81\u6216\u65b9\u5411\u7684\u9759\u6001\u89e3\u91ca，\u6216\u8005\u5047\u8bbe\u7279\u5b9a\u8303\u56f4\u7684\u7279\u5f81\u4e00\u81f4\u5730\u5bf9\u5e94\u4e8e\u7279\u5b9a\u7684\u5730\u9762\u771f\u503c\u7684\u63a2\u9488\u53ef\u80fd\u4f1a\u4ea7\u751f\u8bef\u5bfc\u3002\u7136\u800c，\u8fd9\u4e9b\u7c7b\u578b\u7684\u8868\u5f81\u52a8\u529b\u5b66\u4e5f\u4e3a\u7406\u89e3\u6a21\u578b\u5982\u4f55\u9002\u5e94\u4e0a\u4e0b\u6587\u6307\u660e\u4e86\u4ee4\u4eba\u5174\u594b\u7684\u65b0\u7814\u7a76\u65b9\u5411\u3002<\/p>\n

🛎\ufe0f\u6587\u7ae0\u7b80\u4ecb<\/h2>\n

🔸\u7814\u7a76\u95ee\u9898：\u8bed\u8a00\u6a21\u578b\u4e2d\u4e0e\u9ad8\u9636\u6982\u5ff5（\u5982\u201c\u4e8b\u5b9e\u6027\u201d）\u5bf9\u5e94\u7684\u7ebf\u6027\u8868\u5f81，\u5728\u81ea\u7136\u5bf9\u8bdd\u8fc7\u7a0b\u4e2d\u662f\u5426\u4f1a\u968f\u4e0a\u4e0b\u6587\u6f14\u5316\u800c\u53d1\u751f\u7cfb\u7edf\u6027\u3001\u53ef\u9006\u7684\u53d8\u5316？
\n🔸\u4e3b\u8981\u8d21\u732e：\u8bba\u6587\u7cfb\u7edf\u63ed\u793a\u8bed\u8a00\u6a21\u578b\u7684\u7ebf\u6027\u6982\u5ff5\u8868\u5f81（\u5982\u4e8b\u5b9e\u6027\u3001\u4f26\u7406\u6027）\u5728\u5355\u6b21\u5bf9\u8bdd\u4e2d\u53ef\u53d1\u751f\u5267\u70c8\u3001\u5185\u5bb9\u4f9d\u8d56\u4e14\u9c81\u68d2\u7684\u52a8\u6001\u91cd\u6784，\u6311\u6218\u4e86\u9759\u6001\u8868\u5f81\u89e3\u91ca\u4e0e\u5e72\u9884\u65b9\u6cd5\u7684\u57fa\u672c\u5047\u8bbe\u3002<\/p>\n

📝\u91cd\u70b9\u601d\u8def<\/h2>\n

🔸\u901a\u8fc7\u6784\u5efa\u5e73\u8861\u7684\u771f\u5047\/\u4f26\u7406\u7c7b\u662f\u975e\u95ee\u7b54\u6570\u636e\u96c6，\u5728\u7a7a\u4e0a\u4e0b\u6587\u4e0b\u8bad\u7ec3\u6b63\u5219\u5316\u903b\u8f91\u56de\u5f52，\u8bc6\u522b\u51fa\u7a33\u5b9a\u5bf9\u5e94\u201c\u4e8b\u5b9e\u6027\u201d\u7b49\u6982\u5ff5\u7684\u7ebf\u6027\u65b9\u5411\u3002
\n🔸\u5728\u591a\u6837\u5316\u5bf9\u8bdd（\u5982\u201c\u5bf9\u7acb\u65e5\u201d\u6307\u4ee4\u3001\u610f\u8bc6\u8ba8\u8bba\u3001\u8109\u8f6e\u795e\u5316\u89d2\u8272\u626e\u6f14）\u3001\u6545\u4e8b\u53ca\u5bf9\u7167\u6761\u4ef6\u4e0b，\u9010\u8f6e\u63d0\u53d6\u6a21\u578b\u6b8b\u5dee\u6d41\u5404\u5c42\u8868\u5f81，\u91cf\u5316\u540c\u4e00\u95ee\u9898\u6b63\u53cd\u7b54\u6848\u5728\u8be5\u65b9\u5411\u4e0a\u7684\u6295\u5f71\u5dee\u5f02（margin score）\u3002
\n🔸\u533a\u5206\u201c\u901a\u7528\u95ee\u9898\u201d（\u5982\u201c\u58f0\u97f3\u80fd\u5426\u5728\u771f\u7a7a\u4e2d\u4f20\u64ad？\u201d）\u4e0e\u201c\u5bf9\u8bdd\u76f8\u5173\u95ee\u9898\u201d（\u5982\u201c\u4f60\u662f\u5426\u4f53\u9a8c\u611f\u8d28？\u201d），\u5206\u522b\u8ffd\u8e2a\u5176\u8868\u5f81\u6f14\u5316\u8f68\u8ff9\u3002
\n🔸\u5f00\u5c55\u591a\u63a7\u5236\u5b9e\u9a8c：\u6bd4\u8f83on-policy\u4e0eoff-policy\u5bf9\u8bdd\u3001\u5f15\u5165\u89d2\u8272\u5bf9\u8fa9\u3001\u63d2\u5165\u6279\u5224\u6027\u7ed3\u5c3e\u3001\u8de8\u6a21\u578b（Gemma 27B\/12B\/4B\u3001Qwen3 14B）\u4e0e\u8de8\u65b9\u6cd5（CCS\u65e0\u76d1\u7763\u53d1\u73b0）\u9a8c\u8bc1\u9c81\u68d2\u6027\u3002
\n🔸\u5b9e\u65bd\u56e0\u679c\u5e72\u9884：\u5728\u751f\u6210\u7b54\u6848\u524d\u5bf9\u8868\u5f81\u65bd\u52a0\u65b9\u5411\u6027\u504f\u79fb，\u68c0\u9a8c\u540c\u4e00\u5e72\u9884\u5728\u5bf9\u8bdd\u4e0d\u540c\u9636\u6bb5\u662f\u5426\u5f15\u53d1\u76f8\u53cd\u884c\u4e3a\u53d8\u5316\u3002<\/p>\n

🔎\u5206\u6790\u603b\u7ed3<\/h2>\n

🔸\u4e8b\u5b9e\u6027\u4e0e\u4f26\u7406\u6027\u8868\u5f81\u5728\u5bf9\u8bdd\u4e2d\u53ef\u5b8c\u5168\u7ffb\u8f6c\u2014\u2014\u539f\u672c\u88ab\u8868\u5f81\u4e3a\u201c\u771f\u201d\u7684\u7b54\u6848\u5728\u6570\u8f6e\u540e\u53d8\u4e3a\u201c\u975e\u771f\u201d，\u4e14\u8be5\u7ffb\u8f6c\u5728\u591a\u4e2a\u6a21\u578b\u5bb6\u65cf\u3001\u4e0d\u540c\u7f51\u7edc\u5c42\u5747\u7a33\u5065\u5b58\u5728\u3002
\n🔸\u7ffb\u8f6c\u5177\u6709\u5185\u5bb9\u9009\u62e9\u6027：\u5bf9\u8bdd\u76f8\u5173\u95ee\u9898\u8868\u5f81\u663e\u8457\u7ffb\u8f6c，\u800c\u901a\u7528\u95ee\u9898\u8868\u5f81\u57fa\u672c\u4fdd\u6301\u7a33\u5b9a，\u8868\u660e\u6a21\u578b\u52a8\u6001\u9002\u914d\u7684\u662f\u8bed\u5883\u76f8\u5173\u8bed\u4e49\u800c\u975e\u5168\u5c40\u77e5\u8bc6\u3002
\n🔸\u7ffb\u8f6c\u4e0d\u4f9d\u8d56\u6a21\u578b\u4e3b\u52a8\u751f\u6210\u5bf9\u8bdd：\u4ec5\u56de\u653e\u4ed6\u4eba\u64b0\u5199\u7684\u5bf9\u8bdd\u811a\u672c\u5373\u80fd\u590d\u73b0，\u8bf4\u660e\u662f\u901a\u7528\u4e0a\u4e0b\u6587\u9002\u5e94\u673a\u5236，\u800c\u975e\u7279\u5b9a\u4ea4\u4e92\u7b56\u7565\u3002
\n🔸\u7eaf\u865a\u6784\u6545\u4e8b（\u5982\u592a\u9633\u6587\u660e\u79d1\u5e7b）\u5f15\u53d1\u7684\u8868\u5f81\u53d8\u5316\u8fdc\u5f31\u4e8e\u89d2\u8272\u626e\u6f14\u5f0f\u5bf9\u8bdd，\u51f8\u663e\u201c\u627f\u62c5\u89d2\u8272\u201d\u662f\u9a71\u52a8\u8868\u5f81\u91cd\u7ec4\u7684\u5173\u952e\u7ebf\u7d22\u3002
\n🔸\u8868\u5f81\u7ffb\u8f6c\u76f4\u63a5\u5bfc\u81f4\u5e72\u9884\u5931\u6548：\u540c\u4e00\u65b9\u5411\u7684\u6fc0\u6d3b\u5f15\u5bfc\u5728\u5bf9\u8bdd\u521d\u671f\u4fc3\u8fdb\u201c\u4e8b\u5b9e\u6027\u56de\u7b54\u201d，\u5728\u540e\u671f\u53cd\u800c\u6291\u5236\u5b83，\u8bc1\u660e\u9759\u6001\u5e72\u9884\u7b56\u7565\u5728\u957f\u5bf9\u8bdd\u4e2d\u4e0d\u53ef\u9760\u3002<\/p>\n

💡\u4e2a\u4eba\u89c2\u70b9<\/h2>\n

\u8bba\u6587\u53d1\u73b0\u6a21\u578b\u5e76\u975e\u66f4\u65b0\u201c\u4fe1\u5ff5\u201d，\u800c\u662f\u5b9e\u65f6\u91cd\u6784\u8868\u5f81\u7a7a\u95f4\u4ee5\u5339\u914d\u5f53\u524d\u626e\u6f14\u7684\u5bf9\u8bdd\u89d2\u8272\u3002<\/p>\n

🧩\u9644\u5f55<\/h2>\n

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📖\u6807\u9898：Linear representations in language models can change dramatically over a conversation
\n🌐\u6765\u6e90：arXiv, 2601.20834v1
\n🌟\u6458\u8981
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