{"id":4863,"date":"2026-03-14T22:12:51","date_gmt":"2026-03-14T14:12:51","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=4863"},"modified":"2026-03-14T22:12:51","modified_gmt":"2026-03-14T14:12:51","slug":"202603-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-anchor-based-pairwise-comparison-via-large-language-model-for-recommendation-reranking","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202603-%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-anchor-based-pairwise-comparison-via-large-language-model-for-recommendation-reranking\/","title":{"rendered":"202603 \u8bba\u6587\u7814\u8bfb-Anchor-based Pairwise Comparison via Large Language Model for Recommendation Reranking"},"content":{"rendered":"\n

\u6765\u6e90\uff1aCIKM ’25
\u4f5c\u8005\uff1aQIN LUO\u7b49
\u5355\u4f4d\uff1aHuazhong University of Science and Technology
\u53d1\u8868\u65f6\u95f4\uff1a2025 \u5e74 11\u6708<\/p>\n\n\n\n

\u4e00\u3001\u7814\u7a76\u80cc\u666f<\/h2>\n\n\n\n
    \n
  1. \u95ee\u9898\u5b9a\u4e49\uff1a\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u91cd\u6392\u5e8f (Reranking)
    \u5728\u5178\u578b\u7684\u63a8\u8350\u7cfb\u7edf\u4e2d\uff0c\u901a\u5e38\u91c7\u7528\u201c\u53ec\u56de-\u6392\u5e8f-\u91cd\u6392\u5e8f\u201d\u7684\u591a\u9636\u6bb5\u67b6\u6784\u3002<\/li>\n<\/ol>\n\n\n\n

    \u91cd\u6392\u5e8f\u662f\u6700\u540e\u7684\u5173\u952e\u4e00\u6b65\uff0c\u5b83\u5bf9\u6392\u5e8f\u6a21\u578b\uff08\u5982\u534f\u540c\u8fc7\u6ee4\u6a21\u578b\uff09\u8f93\u51fa\u7684Top-K\u5019\u9009\u5217\u8868\u8fdb\u884c\u7cbe\u7ec6\u5316\u8c03\u6574\uff0c\u65e8\u5728\u63d0\u5347\u6700\u7ec8\u63a8\u8350\u5217\u8868\u7684\u6574\u4f53\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n

      \n
    1. \u73b0\u6709LLM\u91cd\u6392\u5e8f\u65b9\u6cd5\u7684\u4e09\u5927\u7c7b\u522b\u53ca\u5176\u5c40\u9650\u6027\uff1a
      \u9010\u70b9\u6cd5 (Pointwise)\uff1a\u8ba9LLM\u72ec\u7acb\u5730\u4e3a\u6bcf\u4e2a\u5546\u54c1\u6253\u5206\u3002
      \u7f3a\u70b9\uff1a\u5b8c\u5168\u5ffd\u7565\u4e86\u539f\u59cb\u63a8\u8350\u5217\u8868\u7684\u987a\u5e8f\u4fe1\u606f\uff0c\u8fc7\u5ea6\u4f9d\u8d56LLM\u3002
      \u5217\u8868\u6cd5 (Listwise)\uff1a\u5c06\u6574\u4e2a\u5019\u9009\u5217\u8868\u4e00\u6b21\u6027\u8f93\u5165LLM\uff0c\u8ba9\u5176\u76f4\u63a5\u8f93\u51fa\u91cd\u6392\u540e\u7684\u5217\u8868\u3002
      \u7f3a\u70b9\uff1a\u53d7\u9650\u4e8eLLM\u7684\u4e0a\u4e0b\u6587\u957f\u5ea6\uff1b\u5bf9\u8f93\u5165\u987a\u5e8f\u654f\u611f\uff1b\u8f93\u51fa\u53ef\u80fd\u4e0d\u5b8c\u6574\u6216\u6709\u91cd\u590d\u9879\uff1b\u8ba1\u7b97\u5f00\u9500\u5927\u3002
      \u6210\u5bf9\u6cd5 (Pairwise)\uff1a\u50cf\u5192\u6ce1\u6392\u5e8f\u4e00\u6837\uff0c\u53cd\u590d\u8ba9LLM\u6bd4\u8f83\u76f8\u90bb\u4e24\u4e2a\u5546\u54c1\u5e76\u4ea4\u6362\u4f4d\u7f6e\u3002
      \u7f3a\u70b9\uff1a\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u4e24\u4e24\u6bd4\u8f83\uff08O(K\u00b2)\uff09\uff0c\u8ba1\u7b97\u5f00\u9500\u5de8\u5927\uff1b\u65e9\u671f\u7684\u6bd4\u8f83\u9519\u8bef\u4f1a\u5728\u540e\u7eed\u8fc7\u7a0b\u4e2d\u88ab\u653e\u5927\u3002<\/li>\n<\/ol>\n\n\n\n

      \u8fd9\u7bc7\u6587\u7ae0\u63d0\u51fa APCR \u2014\u2014 \u4e00\u79cd\u65b0\u9896\u4e14\u9ad8\u6548\u7684\u57fa\u4e8e\u5927\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u7684\u63a8\u8350\u91cd\u6392\u5e8f\u65b9\u6cd5\u3002<\/p>\n\n\n\n

      \u4e8c\u3001\u4e3b\u8981\u6846\u67b6<\/h2>\n\n\n\n
      \"\"<\/figure>\n\n\n\n

      APCR\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5f15\u5165\u4e00\u4e2a\u951a\u70b9 (Anchor) \u6765\u4f5c\u4e3a\u6240\u6709\u6bd4\u8f83\u7684\u5171\u540c\u57fa\u51c6\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u4f4d\u7f6e\u611f\u77e5\u7684\u878d\u5408\u7b56\u7565\u6765\u7ed3\u5408LLM\u548c\u539f\u59cb\u6a21\u578b\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n

      \u4e00\u3001\u8f93\u5165\u539f\u59cb\u63a8\u8350\u5217\u8868\u4e0e\u7528\u6237\/\u5546\u54c1\u6587\u672c\u4fe1\u606f<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u4e8c\u3001\u951a\u70b9\u9009\u62e9<\/p>\n\n\n\n

      \u4ece\u539f\u59cb\u5217\u8868\u4e2d\u4efb\u610f\u9009\u62e9\u4e00\u4e2a\u5546\u54c1\u4f5c\u4e3a\u951a\u70b9 \u200b\uff0c\u4e3a\u6240\u6709\u5019\u9009\u5546\u54c1\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u7684\u6bd4\u8f83\u57fa\u51c6\uff0c\u907f\u514d\u6210\u5bf9\u6bd4\u8f83\u4e2d\u7684\u4f20\u9012\u6027\u9519\u8bef\uff08\u5982 A>B, B>C \u4f46 C>A \u7684\u5faa\u73af\uff09\u3002<\/p>\n\n\n\n

      \u4e09\u3001\u53cc\u5411\u63d0\u793a\u6784\u5efa\u4e0e LLM \u6210\u5bf9\u6bd4\u8f83\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u56db\u3001\u6784\u5efa LLM \u5efa\u8bae\u5217\u8868 \uff1a
      \u5bf9\u6240\u6709 K \u4e2a\u5019\u9009\u5546\u54c1\uff0c\u91cd\u590d Step 3\uff0c\u5f97\u5230\u5404\u81ea\u7684\u504f\u597d\u5206\uff0c\u6309pi\u964d\u5e8f\u6392\u5217\uff0c\u751f\u6210 LLM \u63a8\u8350\u7684\u6392\u5e8f\u5217\u8868 \u3002<\/p>\n\n\n\n

      \u4e94\u3001\u4f4d\u7f6e\u611f\u77e5\u878d\u5408\u751f\u6210\u6700\u7ec8\u5217\u8868 \uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u4e09\u3001\u5b9e\u9a8c<\/h2>\n\n\n\n

      \u5b9e\u9a8c\u8bbe\u7f6e
      \u6570\u636e\u96c6\uff1aMovieLens-1M, Amazon-Book
      \u57fa\u7840\u63a8\u8350\u6a21\u578b (CFM)\uff1aMF (\u77e9\u9635\u5206\u89e3), LightGCN (\u56fe\u795e\u7ecf\u7f51\u7edc)
      \u5bf9\u6bd4\u65b9\u6cd5\uff1a
      RG (Pointwise)
      RankGPT (Listwise)
      PRP-Sliding (Pairwise)
      \u8bc4\u4f30\u6307\u6807\uff1aHR@1, NDCG@10\/20, MAP@10\/20
      \u4f7f\u7528\u7684LLM\uff1aLlama-3.1-8B-Instruct (\u672a\u5fae\u8c03)<\/p>\n\n\n\n

      \u603b\u4f53\u6027\u80fd<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \uff081\uff09\u603b\u4f53\u6027\u80fd \uff1a
      APCR\u5728\u6240\u6709\u6570\u636e\u96c6\u548c\u57fa\u7840\u6a21\u578b\u4e0a\u5747\u663e\u8457\u4f18\u4e8e\u6240\u6709\u57fa\u7ebf\u65b9\u6cd5\u3002
      \u76f8\u6bd4\u6700\u597d\u7684\u57fa\u7ebf\u65b9\u6cd5\uff0c\u5404\u9879\u6307\u6807\u5747\u6709\u7a33\u5b9a\u63d0\u5347\uff08\u4f8b\u5982\uff0c\u5728MF+MovieLens\u4e0a\uff0cNDCG@10\u63d0\u53477.43%\uff09\u3002<\/p>\n\n\n\n

      \u5bf9\u8f93\u5165\u987a\u5e8f\u7684\u9c81\u68d2\u6027\u5206\u6790<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u9a8c\u8bc1 APCR \u662f\u5426\u50cf\u67d0\u4e9b Listwise \u65b9\u6cd5\uff08\u5982 RankGPT\uff09\u90a3\u6837\u5bf9\u8f93\u5165\u5217\u8868\u7684\u521d\u59cb\u987a\u5e8f\u9ad8\u5ea6\u654f\u611f\u3002
      \u5bf9\u539f\u59cb\u63a8\u8350\u5217\u8868\u8fdb\u884c\u4e09\u79cd\u6270\u52a8\uff1a
      Original\uff1a\u539f\u59cb\u987a\u5e8f\uff08CFM \u8f93\u51fa\uff09
      Random\uff1a\u5b8c\u5168\u968f\u673a\u6253\u4e71
      Reversed\uff1a\u5b8c\u5168\u9006\u5e8f
      APCR \u6240\u6709\u6bd4\u8f83\u90fd\u57fa\u4e8e\u56fa\u5b9a\u951a\u70b9\uff0c\u4e0e\u5546\u54c1\u5728\u8f93\u5165\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\u65e0\u5173\u3002<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u53cc\u5411\u63d0\u793a\u7684\u6709\u6548\u6027\uff1a<\/p>\n\n\n\n

      \u9a8c\u8bc1\u201c\u53cc\u5411\u63d0\u793a\u201d\u662f\u5426\u771f\u80fd\u7f13\u89e3 LLM \u7684\u4f4d\u7f6e\u504f\u5dee\uff08Position Bias\uff09\u3002
      \u6784\u5efa\u4e24\u4e2a\u53d8\u4f53\uff1a
      APCR w\/o two-way\uff1a\u4ec5\u4f7f\u7528\u5355\u5411\u63d0\u793a\uff08\u56fa\u5b9a\u951a\u70b9\u5728\u524d\uff09\u3002
      APCR (full)\uff1a\u4f7f\u7528\u53cc\u5411\u63d0\u793a\u3002
      \u53cc\u5411\u63d0\u793a\u901a\u8fc7\u53d6\u5e73\u5747\uff0c\u6709\u6548\u62b5\u6d88\u4e86\u8fd9\u79cd\u7cfb\u7edf\u6027\u504f\u5dee\uff0c\u4f7f\u504f\u597d\u5206 pi\u66f4\u53ef\u9760\u3002<\/p>\n\n\n\n

      \u56db\u3001\u603b\u7ed3\u4e0e\u7efc\u5408\u5bf9\u9f50\u601d\u8003<\/h2>\n\n\n\n

      \uff08\u4e00\uff09\u8bba\u6587\u6838\u5fc3\u5185\u5bb9<\/p>\n\n\n\n

      \u8fd9\u7bc7\u8bba\u6587\u63d0\u51fa\u201c\u951a\u70b9\u5f15\u5bfc\u7684\u6210\u5bf9\u6bd4\u8f83\u201d\u8303\u5f0f\uff0c\u9996\u6b21\u5c06\u7edf\u4e00\u53c2\u7167\u7269\u5f15\u5165LLM\u91cd\u6392\u5e8f\uff0c\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u4e86\u73b0\u6709\u6210\u5bf9\/\u5217\u8868\u65b9\u6cd5\u5728\u6548\u7387\u3001\u4e00\u81f4\u6027\u548c\u504f\u5dee\u4e0a\u7684\u5173\u952e\u7f3a\u9677\u3002\u5176\u6838\u5fc3\u8d21\u732e\u5305\u62ec\uff1a
      \u63d0\u51fa\u201c\u951a\u70b9\u6210\u5bf9\u6bd4\u8f83\u201d\u673a\u5236\uff0c\u5b9e\u73b0\u9ad8\u6548\u4e14\u4e00\u81f4\u7684LLM\u91cd\u6392\u5e8f\uff1a\u6240\u6709\u5019\u9009\u5546\u54c1\u4ec5\u4e0e\u4e00\u4e2a\u56fa\u5b9a\u951a\u70b9\u8fdb\u884c\u8bed\u4e49\u6bd4\u8f83\uff0c\u5c06\u590d\u6742\u5ea6\u4eceO(K^2)\u964d\u81f3O(K) ,\u540c\u65f6\u6d88\u9664\u591a\u8f6e\u6bd4\u8f83\u4e2d\u7684\u4f20\u9012\u4e0d\u4e00\u81f4\u6027\u3002
      \u4f4d\u7f6e\u611f\u77e5\u878d\u5408\u7b56\u7565\uff1a\u5229\u7528LLM\u751f\u6210\u7684\u76f8\u5bf9\u504f\u597d\u5e8f\uff08\u800c\u975e\u7edd\u5bf9\u5206\u6570\uff09\uff0c\u901a\u8fc7\u6307\u6570\u8870\u51cf\u8c03\u5236\u539f\u59cb\u534f\u540c\u8fc7\u6ee4\u5f97\u5206\uff0c\u5b9e\u73b0\u8bed\u4e49\u4fe1\u53f7\u4e0e\u884c\u4e3a\u4fe1\u53f7\u7684\u8f7b\u91cf\u3001\u53ef\u63a7\u878d\u5408\u3002<\/p>\n\n\n\n

      \uff08\u4e8c\uff09\u4e09\u7ef4\u5ea6\u5bf9\u9f50\u601d\u8003<\/p>\n\n\n\n

      1.0 \u6280\u672f\u521b\u65b0-\u903b\u8f91\u601d\u7ef4\u63a8\u7406\u6846\u67b6
      \u8fd9\u7bc7\u8bba\u6587\u8bc1\u5b9e\uff1a\u201c\u951a\u70b9+\u6210\u5bf9\u6bd4\u8f83\u201d\u6846\u67b6\u8303\u5f0f\uff0c\u5373\u8ba9LLM\u56f4\u7ed5\u7528\u6237\u5df2\u9009\u951a\u70b9\u8fdb\u884c\u76f8\u5bf9\u4f18\u52a3\u5224\u65ad\uff08\u800c\u975e\u76f4\u63a5\u6253\u5206\u6216\u91cd\u6392\u6574\u4e2a\u5217\u8868\uff09\uff0c\u65e2\u80fd\u663e\u8457\u63d0\u5347\u6548\u679c\uff0c\u53c8\u5177\u5907\u9ad8\u6548\u7387\u4e0e\u5f3a\u9c81\u68d2\u6027\uff1b\u53ef\u4ee5\u76f4\u63a5\u501f\u9274\u5176\u6838\u5fc3\u601d\u60f3\uff1a\u5c06\u201c\u540c\u7c7b\u4f18\u9009\u201d\u4efb\u52a1\u5efa\u6a21\u4e3a\u201c\u951a\u70b9\u98df\u8c31 vs \u5019\u9009\u98df\u8c31\u201d\u7684\u591a\u7ef4\u5ea6\u8bed\u4e49PK\uff0c\u5e76\u91c7\u7528\u7ed3\u6784\u5316\u63d0\u793a\u4e0e\u878d\u5408\u7b56\u7565\uff0c\u4ece\u800c\u5728\u4fdd\u8bc1\u5b89\u5168\u89c4\u5219\u8fc7\u6ee4\u548c\u5065\u5eb7\u76ee\u6807\u5bf9\u9f50\u7684\u524d\u63d0\u4e0b\uff0c\u8ba9LLM\u4e13\u6ce8\u4e8e\u751f\u6210\u53ef\u89e3\u91ca\u3001\u53ef\u9760\u7684\u4f18\u9009\u7406\u7531\uff0c\u907f\u514d\u9ed1\u7bb1\u51b3\u7b56\u3002<\/p>\n\n\n\n

      2.1 \u6280\u672f\u76ee\u6807-\u4e13\u4e1a\u624b\u518c\u516c\u4f17\u670d\u52a1
      \u6784\u5efa\u51fa\u9ad8\u5bf9\u6bd4\u6bd4\u8f83\u5bf9\uff1a\u901a\u8fc7\u6846\u67b6\u7684\u68c0\u7d22-\u6392\u5e8f-LLM\u63a8\u7406\u7684pipeline\uff0c\u5c06\u9ad8\u8d28\u91cf\u7684\u5065\u5eb7\u5019\u9009\u4ea7\u54c1\u9001\u5165\u6bd4\u8f83\u5bf9\u63a8\u7406\u90e8\u5206\uff0c\u6784\u5efa\uff08\u951a\u70b9\u98df\u8c31\u3001\u5019\u9009\u4ea7\u54c11\uff0c\u5019\u9009\u4ea7\u54c12\uff09\u7684\u8fed\u4ee3\u903b\u8f91\u6bd4\u9009\uff0c\u6700\u7ec8\u9009\u62e9\u51fa\u6700\u4f18\u98df\u54c1\uff0c\u8fd9\u7bc7\u8bba\u6587\u63d0\u51fa\u7684\u6210\u5bf9\u6bd4\u8f83\u8303\u5f0f\uff0c\u5df2\u7ecf\u5c55\u793a\u51fa\u6bd4listwise\u3001pointwise\u66f4\u597d\u7684\u5bf9\u6bd4\u65b9\u6cd5\u3002<\/p>\n\n\n\n

      3.1 \u573a\u666f\u529f\u80fd-\u98df\u517b\u901a
      \u5728pk\u6bd4\u9009\u8fd9\u4e2a\u90e8\u5206\u8fdb\u884c\u5e94\u7528\uff0c\u9488\u5bf9\u7528\u6237\u9009\u4e2d\u7684\u98df\u54c1\uff0c\u5728\u7cfb\u7edf\u4e2d\u81ea\u52a8\u63a8\u51fa\u7ed3\u5408\u7528\u6237\u4e2a\u6027\u5316\u7684\u66f4\u5065\u5eb7\u4ea7\u54c1\uff0c\u5e76\u5c55\u793a\u51fa\u5bf9\u6bd4\u6027\u89e3\u91ca\u8bf4\u660e\u63d0\u5347\u63a8\u8350\u6548\u679c\u3002<\/p>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      \u6765\u6e90\uff1aCIKM ’25\u4f5c\u8005\uff1aQIN LUO\u7b49\u5355\u4f4d\uff1aHuazhong University of S […]<\/p>\n","protected":false},"author":60,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4863","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/comments?post=4863"}],"version-history":[{"count":1,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4863\/revisions"}],"predecessor-version":[{"id":4871,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/4863\/revisions\/4871"}],"wp:attachment":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/media?parent=4863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/categories?post=4863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/tags?post=4863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}