{"id":2012,"date":"2024-12-15T17:08:21","date_gmt":"2024-12-15T09:08:21","guid":{"rendered":"https:\/\/www.15zhi.net\/blog\/?p=2012"},"modified":"2024-12-15T17:08:21","modified_gmt":"2024-12-15T09:08:21","slug":"202412%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-revisiting-mobility-modeling-with-graph-a-graph-transformer-model-for-next-point-of-interest-recommendation","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202412%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-revisiting-mobility-modeling-with-graph-a-graph-transformer-model-for-next-point-of-interest-recommendation\/","title":{"rendered":"202412\u8bba\u6587\u7814\u8bfb-Revisiting Mobility Modeling with Graph: A Graph Transformer Model for Next Point-of-Interest Recommendation"},"content":{"rendered":"\n<p>\u4f5c\u8005\uff1aXiaohang Xu\uff0cToyotaro Suzumura\uff0cJiawei Yong\u7b49<br>\u5355\u4f4d\uff1a\u65e5\u672c\u4e1c\u4eac\u5927\u5b66<br>\u6765\u6e90\uff1aACM SIGSPATIAL<br>\u53d1\u8868\u65f6\u95f4\uff1a2023\u5e7411\u6708<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u7814\u7a76\u80cc\u666f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"462\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-36.png\" alt=\"\" class=\"wp-image-2013\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-36.png 558w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-36-300x248.png 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/figure>\n\n\n\n<p><strong>\u5b58\u5728\u7684\u95ee\u9898\uff1a<\/strong><br>1\u3001\u73b0\u6709\u7684\u57fa\u4e8e\u56fe\u7684\u65f6\u7a7a\u5efa\u6a21\u5de5\u4f5c\u7f3a\u4e4f\u4ece\u5168\u5c40\u89d2\u5ea6\u5bf9\u7a7a\u95f4\u548c\u65f6\u95f4\u4fe1\u606f\u7684\u6709\u6548\u6574\u5408\u3002<br>2\u3001\u4ece\u4e2a\u4eba\u79fb\u52a8\u6027\u4e2d\u6355\u83b7\u66f4\u590d\u6742\u548c\u7ec6\u5fae\u7684\u7528\u6237\u884c\u4e3a\u4ecd\u7136\u5177\u6709\u6311\u6218\u6027\u3002<br>3\u3001\u7f3a\u4e4f\u53ef\u4ee5\u5229\u7528\u4f4e\u9891\u7387\u4f4d\u7f6e\u6570\u636e\u7684\u6709\u6548\u8bad\u7ec3\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u4e3a\u89e3\u51b3\u8fd9\u4e09\u4e2a\u95ee\u9898\uff0c\u63d0\u51fa\u4e00\u79cd\u65b0\u7684Mobility Graph Transformer\uff08MobGT\uff09\u6a21\u578b\u3002<strong>\u8be5\u8bba\u6587\u7684\u4e3b\u8981\u8d21\u732e\u603b\u7ed3\u5982\u4e0b\uff1a<\/strong><br>1\u3001\u672c\u6587\u63d0\u51fa\u4e86\u5168\u5c40\u79fb\u52a8GNN\u6a21\u5757\uff0c\u4ece\u4e09\u4e2a\u89d2\u5ea6\uff1a\u7a7a\u95f4\uff0c\u65f6\u95f4\uff0c\u548cPOI\u7c7b\u522b\uff0c\u5408\u4f5c\u5efa\u6a21\u7528\u6237\u7684POI\u8f6c\u6362\u6a21\u5f0f\u3002<br>2\u3001\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u4e2a\u57fa\u4e8e\u56fe\u7684Transformer\u6a21\u578b\u6765\u5efa\u6a21\u6bcf\u4e2a\u7528\u6237\u7684\u672c\u5730\u79fb\u52a8\u56fe\uff0c\u5b83\u53ef\u4ee5\u5229\u7528\u663e\u5f0f\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u6765\u4e30\u5bcc\u8868\u793a\u7ed3\u679c\uff0c\u5e76\u4f7f\u7528\u4e00\u4e2a\u4e13\u95e8\u7684\u7f16\u7801\u6a21\u5757\u6765\u6355\u83b7\u56fe\u4e2d\u7684\u9ad8\u9636\u4f9d\u8d56\u5173\u7cfb\u3002<br>3\u3001\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u635f\u5931\u51fd\u6570\uff1a\u5c3e\u635f\u5931\uff0c\u4ee5\u89e3\u51b3\u4f4d\u7f6e\u6570\u636e\u957f\u5c3e\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6280\u672f\u601d\u60f3<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"962\" height=\"496\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-38.png\" alt=\"\" class=\"wp-image-2015\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-38.png 962w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-38-300x155.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-38-768x396.png 768w\" sizes=\"auto, (max-width: 962px) 100vw, 962px\" \/><\/figure>\n\n\n\n<p><strong>\u57fa\u4e8e\u5168\u5c40\u56fe\u7684POI\u5d4c\u5165<\/strong><\/p>\n\n\n\n<p>\u5168\u5c40\u7a7a\u95f4\u56fe\uff1a\u8be5\u6a21\u578b\u6784\u5efa\u4e86\u4e00\u4e2a\u65e0\u5411POI-POI\u56fe\u3002\u5982\u679c\u4e24\u4e2aPOI\u5728\u5730\u7406\u4e0a\u76f8\u90bb\uff0c\u5373\u4e24\u4e2aPOI\u4e4b\u95f4\u7684\u534a\u6b63\u77e2\u8ddd\u79bb\u0394\u03b8\u4f4e\u4e8e\u9608\u503c\uff0c\u5c31\u5728\u5b83\u4eec\u4e4b\u95f4\u6dfb\u52a0\u4e00\u6761\u8fb9\u3002<br>\u5168\u5c40\u65f6\u6001\u56fe\uff1a\u8be5\u6a21\u578b\u63d0\u51fa\u4e86\u4e00\u4e2a\u6709\u5411POI-POI\u56fe\uff0c\u5176\u4e2d\u8fb9\u7f18\u6743\u91cd\u6307POI\u5bf9\u5728\u6240\u6709\u8f68\u8ff9\u4e2d\u7684\u9891\u7387\u3002<br>\u5168\u5c40\u7c7b\u522b\u56fe\uff1a\u8be5\u6a21\u578b\u6839\u636e\u6240\u6709\u7528\u6237\u7684\u8f68\u8ff9\u8fde\u63a5\u6bcf\u4e2a\u6709\u5411\u7c7b\u522b\u5bf9\uff0c\u6bcf\u5bf9\u4e4b\u95f4\u7684\u8fb9\u6743\u91cd\u662f\u7c7b\u522b\u5bf9\u51fa\u73b0\u7684\u9891\u7387\u3002<br>\u4e3a\u4e86\u83b7\u5f97POI\u5d4c\u5165\uff0c\u91c7\u7528GCN\u4ece\u4e09\u4e2a\u5168\u5c40\u56fe\u4e2d\u5b66\u4e60\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u7279\u5f81\u3002\u5bf9\u4e8e\u7a7a\u95f4POI\u5d4c\u5165\u548c\u65f6\u95f4POI\u5d4c\u5165\uff0c\u9996\u5148\u5c06\u5b83\u4eec\u9988\u9001\u5230\u6c60\u5316\u5c42\u4e2d\u4ee5\u83b7\u5f97\u805a\u5408POI\u5d4c\u5165\u3002\u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5c06POI\u548c\u7c7b\u522b\u5d4c\u5165\u65e0\u7f1d\u878d\u5408\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"42\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-47.png\" alt=\"\" class=\"wp-image-2025\"\/><\/figure>\n\n\n\n<p>\u5176\u4e2d||\u8868\u793a\u8fde\u63a5\uff0c\ud835\udf0e\u662fLeaky ReLu\u6fc0\u6d3b\u51fd\u6570\u3002<\/p>\n\n\n\n<p><strong>\u57fa\u4e8e\u5c40\u90e8\u56fe\u7684\u79fb\u52a8\u5d4c\u5165<\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u6355\u6349POI\u548c\u65f6\u95f4\u6a21\u5f0f\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8be5\u8bba\u6587\u5c06\u7b7e\u5230\u65f6\u95f4\u79bb\u6563\u5316\u4e3a\u6bcf\u592948\u4e2a\u95f4\u9694\uff0c\u5e76\u5229\u7528\u5d4c\u5165\u5c42\u6765\u4e3a\u6bcf\u4e2a\u65f6\u95f4\u95f4\u9694\u751f\u6210\u4f4e\u7ef4\u5411\u91cf\u8868\u793a\u3002<br>\u7136\u540e\uff0c\u5229\u7528\u4e0ePOI\u548cPOI\u7c7b\u522b\u878d\u5408\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u5bf9POI\u5d4c\u5165\u548c\u65f6\u95f4\u5d4c\u5165\u7684\u4fe1\u606f\u8fdb\u884c\u805a\u5408\uff0c\u5f97\u5230\u805a\u5408POI\u5d4c\u5165\u3002<br>\u6b64\u5916\uff0c\u7531\u4e8e\u89c2\u5bdf\u5230POI\u8bbf\u95ee\u7684\u9891\u7387\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u6bb5\u5185\u53d8\u5316\u5f88\u5927\uff0c\u6240\u4ee5\u4f7f\u7528\u9891\u7387\u4fe1\u606f\u6765\u4e30\u5bccPOI\u7684\u8bed\u4e49\u8868\u793a\u975e\u5e38\u91cd\u8981\u3002\u56e0\u6b64\uff0c\u8be5\u8bba\u6587\u4f7f\u7528\u4e00\u4e2a\u5d4c\u5165\u5c42\u6765\u8bad\u7ec3\u4e00\u4e2aPOI\u9891\u7387\u5d4c\u5165\u5c42\u3002<\/p>\n\n\n\n<p><strong>\u65f6\u7a7a\u56fe\u6ce8\u610f\u673a\u5236<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"393\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-42.png\" alt=\"\" class=\"wp-image-2020\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-42.png 685w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-42-300x172.png 300w\" sizes=\"auto, (max-width: 685px) 100vw, 685px\" \/><\/figure>\n\n\n\n<p><strong>\u9884\u6d4b\u548c\u4f18\u5316<\/strong><\/p>\n\n\n\n<p>\u7528\u6237\u5d4c\u5165\u548c\u9884\u6d4b\u5c42\uff1a\u8bad\u7ec3\u5c42\u4ece\u5d4c\u5165\u5728\u8f93\u5165\u79fb\u52a8\u6027\u5b50\u56fe\u4e2d\u7684\u4e00\u9636\u548c\u9ad8\u9636\u7279\u5f81\u4e2d\u5b66\u4e60\u7528\u6237\u7684\u8fc7\u6e21\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u5c06\u7528\u6237\u4fe1\u606f\u5d4c\u5165\u5230\u6a21\u578b\u4e2d\u5e76\u63d0\u4f9b\u66f4\u4e2a\u6027\u5316\u7684POI\u63a8\u8350\u670d\u52a1\uff0c\u901a\u8fc7\u53ef\u8bad\u7ec3\u77e9\u9635\u5f15\u5165\u7528\u6237\u5d4c\u5165\uff0c\u540c\u65f6\u4e5f\u5c06\u8bad\u7ec3\u5c42\u8f93\u51fa\u7684\u79fb\u52a8\u5d4c\u5165\u8868\u793a\u4e3a\u79fb\u52a8\u5d4c\u5165\u3002\u8be5\u8bba\u6587\u5728\u5168\u5c40\u56fe\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u878d\u5408\u65b9\u6cd5\u6765\u8fde\u63a5\u7528\u6237\u5d4c\u5165\u548c\u79fb\u52a8\u6027\u5d4c\u5165\uff0c\u4ee5\u5f62\u6210\u4e00\u4e2a\u4ee3\u8868\u6027\u7684\u5d4c\u5165\u3002\u4e3a\u4e86\u9884\u6d4b\u7528\u6237\u7684\u4e0b\u4e00\u4e2a\u8bbf\u95ee\u4f4d\u7f6e\uff0c\u91c7\u7528\u4e24\u79cd\u4e0d\u540c\u7684\u591a\u5c42\u611f\u77e5\u5668\u6a21\u578b\uff08MLP\uff09\u4f5c\u4e3a\u9884\u6d4b\u5c42\uff0c\u5206\u522b\u9884\u6d4b\u4e0b\u4e00\u4e2aPOI\u548cPOI\u7c7b\u522b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"417\" height=\"100\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-45.png\" alt=\"\" class=\"wp-image-2023\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-45.png 417w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-45-300x72.png 300w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><\/figure>\n\n\n\n<p>\u4f18\u5316\uff1a\u8be5\u8bba\u6587\u91c7\u7528\u4ea4\u53c9\u71b5\u4f5c\u4e3aPOI\u9884\u6d4b\u7684\u4e3b\u8981\u635f\u5931\u51fd\u6570\u3002\u7136\u800c\uff0c\u7531\u4e8ePOI\u7c7b\u522b\u7684\u6570\u76ee\u663e\u8457\u5c0f\u4e8ePOI\u7684\u6570\u76ee\uff08\u5373\u957f\u5c3e\u95ee\u9898\uff09\uff0c\u6a21\u578b\u53ef\u80fd\u5728\u5b66\u4e60\u5177\u6709\u6709\u9650\u6570\u636e\u7684\u67d0\u4e9bPOI\u7684\u7279\u5f81\u65b9\u9762\u9762\u4e34\u6311\u6218\uff0c\u5bfc\u81f4\u6a21\u578b\u6027\u80fd\u4e0b\u964d\u3002\u4e3a\u4e86\u7f13\u89e3\u8fd9\u4e00\u70b9\uff0c\u8be5\u8bba\u6587\u5f15\u5165\u4e86\u9884\u6d4bPOI\u7c7b\u522b\u7684\u989d\u5916\u4efb\u52a1\uff0c\u5e76\u63d0\u51fa\u4e86\u5982\u4e0b\u7684\u5c3e\u90e8\u635f\u5931<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"426\" height=\"121\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-44.png\" alt=\"\" class=\"wp-image-2022\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-44.png 426w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-44-300x85.png 300w\" sizes=\"auto, (max-width: 426px) 100vw, 426px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5b9e\u9a8c<\/h2>\n\n\n\n<p><strong>\u6570\u636e\u96c6<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"559\" height=\"222\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-50.png\" alt=\"\" class=\"wp-image-2030\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-50.png 559w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-50-300x119.png 300w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"251\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-51.png\" alt=\"\" class=\"wp-image-2031\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-51.png 530w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-51-300x142.png 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"413\" height=\"479\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-52.png\" alt=\"\" class=\"wp-image-2032\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-52.png 413w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-52-259x300.png 259w\" sizes=\"auto, (max-width: 413px) 100vw, 413px\" \/><\/figure>\n\n\n\n<p><strong>\u57fa\u7ebf\u6a21\u578b<\/strong><\/p>\n\n\n\n<p>MC\u662f\u4e00\u79cd\u4f20\u7edf\u7684\u63a8\u8350\u6a21\u578b\uff0c\u5b83\u57fa\u4e8e\u4ece\u9a6c\u5c14\u53ef\u592b\u94fe\u5bfc\u51fa\u7684\u6982\u7387\u6765\u9884\u6d4b\u540e\u7eed\u9879\u76ee\u3002<br>LSTM\u662fRNN\u6a21\u578b\u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u65e8\u5728\u901a\u8fc7\u540c\u65f6\u8003\u8651\u957f\u671f\u548c\u77ed\u671f\u4f9d\u8d56\u5173\u7cfb\u6765\u6709\u6548\u5730\u5bf9\u5e8f\u5217\u8fdb\u884c\u5efa\u6a21\u3002<br>ST-RNN\u901a\u8fc7\u5408\u5e76\u65f6\u95f4\u548c\u7a7a\u95f4\u7279\u5f81\u7684\u53d8\u6362\u77e9\u9635\u6269\u5c55\u4e86\u4f20\u7edf\u7684RNN\u3002<br>DeepMove\u901a\u8fc7\u96c6\u6210\u591a\u4e2a\u6ce8\u610f\u529b\u673a\u5236\u6765\u6355\u83b7\u5e8f\u5217\u6a21\u5f0f\uff0c\u4ee5\u6a21\u62df\u7528\u6237\u7684\u957f\u671f\u548c\u77ed\u671f\u5174\u8da3\u3002<br>Flashback\u662f\u4e00\u4e2a\u57fa\u4e8eRNN\u7684\u6a21\u578b\uff0c\u5b83\u975e\u5e38\u5f3a\u8c03\u5bf9\u5386\u53f2\u7b7e\u5165\u6570\u636e\u8fdb\u884c\u5efa\u6a21\u3002<br>LSTPM\u5229\u7528\u5730\u7406\u975e\u672c\u5730LSTM\u67b6\u6784\u6765\u5efa\u6a21\u957f\u671f\u5229\u76ca\u7684\u6f14\u53d8\u6a21\u5f0f\uff0c\u5e76\u5229\u7528\u5730\u7406\u6269\u5f20LSTM\u6765\u6355\u83b7\u77ed\u671f\u5229\u76ca\u7684\u5730\u7406\u4f9d\u8d56\u6027\u3002<br>STAN\u91c7\u7528\u6ce8\u610f\u529b\u673a\u5236\u6765\u5b66\u4e60\u7b7e\u5165\u5e8f\u5217\u4e2d\u975e\u76f8\u90bbPOI\u4e4b\u95f4\u7684\u65f6\u7a7a\u5173\u7cfb\u3002<br>GETNext\u662f\u4e00\u4e2a\u57fa\u4e8eTransformer\u7684\u6a21\u578b\uff0c\u5b83\u5229\u7528\u6240\u6709\u7528\u6237\u79fb\u52a8\u6a21\u5f0f\u6765\u8868\u793aPOI\u3002GETNext\u662f\u4e0b\u4e00\u4e2aPOI\u63a8\u8350\u4efb\u52a1\u7684\u6700\u65b0\u6a21\u578b\u3002<\/p>\n\n\n\n<p><strong>\u5b9e\u9a8c\u7ed3\u679c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-54-1024x639.png\" alt=\"\" class=\"wp-image-2034\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-54-1024x639.png 1024w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-54-300x187.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-54-768x479.png 768w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-54.png 1143w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u6d88\u878d\u5b9e\u9a8c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"894\" height=\"248\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-55.png\" alt=\"\" class=\"wp-image-2035\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-55.png 894w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-55-300x83.png 300w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-55-768x213.png 768w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/><\/figure>\n\n\n\n<p>\uff081\uff09\u5b8c\u6574\u7684MobGT<br>\uff082\uff09\u6ca1\u6709\u7a7a\u95f4\u5168\u5c40\u56fe<br>\uff083\uff09\u6ca1\u6709\u65f6\u95f4\u5168\u5c40\u56fe<br>\uff084\uff09\u6ca1\u6709\u6240\u6709\u5168\u5c40\u56fe\uff08\u7a7a\u95f4\u3001\u65f6\u95f4\u548c\u7c7b\u522b\uff09<br>\uff085\uff09\u6ca1\u6709ST\u56fe\u5f62\u6ce8\u610f\u529b\u7ec4\u4ef6<br>\uff086\uff09\u6ca1\u6709\u5305\u62ec\u7528\u6237\u3001\u7c7b\u522b\u3001\u9891\u7387\u548c\u7b7e\u5230\u65f6\u95f4\u7684\u76f8\u5173\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ec5\u4f7f\u7528\u6765\u81ea\u5168\u5c40\u89c6\u56fe\u7684POI\u5d4c\u5165<br>\uff087\uff09\u6ca1\u6709\u63d0\u51fa\u7684\u5c3e\u635f\u5931\u5e76\u4e14\u5229\u7528\u4ea4\u53c9\u71b5\u635f\u5931\u4f5c\u4e3a\u7c7b\u522b\u9884\u6d4b\u635f\u5931\uff0c<br>\uff088\uff09\u6ca1\u6709\u7c7b\u522b\u89e3\u7801\u5668<\/p>\n\n\n\n<p><strong>\u8d85\u53c2\u6570\u7814\u7a76<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"387\" src=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-56.png\" alt=\"\" class=\"wp-image-2036\" srcset=\"https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-56.png 728w, https:\/\/www.15zhi.net\/blog\/wp-content\/uploads\/2024\/12\/image-56-300x159.png 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n<p>MobGT\u662f\u4e00\u79cd\u57fa\u4e8e\u56feTransformer\u7684\u4e0b\u4e00\u4ee3\u5174\u8da3\u70b9\uff08POI\uff09\u63a8\u8350\u6a21\u578b\uff0c\u65e8\u5728\u89e3\u51b3\u73b0\u6709\u6a21\u578b\u5728\u65f6\u7a7a\u4fe1\u606f\u878d\u5408\u3001\u590d\u6742\u7528\u6237\u884c\u4e3a\u6355\u6349\u4ee5\u53ca\u957f\u5c3e\u6570\u636e\u95ee\u9898\u4e0a\u7684\u5c40\u9650\u6027\u3002<br>MobGT\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<br>\u5168\u5c40\u89c6\u89d2\u5efa\u6a21\uff1a\u4ece\u7a7a\u95f4\u3001\u65f6\u95f4\u548cPOI\u7c7b\u522b\u4e09\u4e2a\u7ef4\u5ea6\u6784\u5efa\u5168\u5c40\u56fe\uff0c\u5168\u9762\u6355\u6349POI\u4e4b\u95f4\u7684\u5173\u7cfb\u548c\u7528\u6237\u884c\u4e3a\u6a21\u5f0f\u3002<br>\u5c40\u90e8\u56feTransformer\uff1a\u5c06\u7528\u6237\u8f68\u8ff9\u8f6c\u6362\u4e3a\u5c40\u90e8\u56fe\uff0c\u5e76\u5229\u7528Transformer\u6a21\u578b\u6355\u6349POI\u4e4b\u95f4\u7684\u9ad8\u9636\u4f9d\u8d56\u5173\u7cfb\uff0c\u589e\u5f3a\u8bed\u4e49\u4fe1\u606f\u3002<br>\u65f6\u7a7a\u6ce8\u610f\u529b\u673a\u5236\uff1a\u5f15\u5165\u7ed3\u6784\u7f16\u7801\u3001\u4f4d\u7f6e\u7f16\u7801\u548c\u8d8b\u52bf\u7f16\u7801\uff0c\u66f4\u6709\u6548\u5730\u6355\u6349\u7528\u6237\u8f68\u8ff9\u4e2d\u7684\u65f6\u7a7a\u7279\u5f81\u3002<br>Tail Loss\uff1a\u63d0\u51fa\u65b0\u7684\u635f\u5931\u51fd\u6570\uff0c\u89e3\u51b3\u957f\u5c3e\u6570\u636e\u95ee\u9898\uff0c\u63d0\u9ad8\u6a21\u578b\u5bf9\u4f4e\u9891POI\u7684\u63a8\u8350\u80fd\u529b\u3002<\/p>\n\n\n\n<p><strong>\u8bfe\u9898\u7efc\u5408\u5bf9\u9f50\u601d\u8003<\/strong><\/p>\n\n\n\n<p>MobGT \u5f3a\u8c03\u4e86\u4ece\u5168\u5c40\u89c6\u89d2\u5efa\u6a21\u7528\u6237\u79fb\u52a8\u6a21\u5f0f\u7684\u91cd\u8981\u6027\uff0c\u8fd9\u5305\u62ec\u7a7a\u95f4\u3001\u65f6\u95f4\u548c POI \u7c7b\u522b\u4e09\u4e2a\u7ef4\u5ea6\u3002\u5728\u8fdb\u884c\u7528\u6237\u672a\u6765\u8f68\u8ff9\u9884\u6d4b\u65f6\uff0c\u4e5f\u9700\u8981\u8003\u8651\u5168\u5c40\u4fe1\u606f\u3002\u53ef\u4ee5\u5c1d\u8bd5\u6784\u5efa\u5305\u542b\u7a7a\u95f4\u3001\u65f6\u95f4\u548c\u7c7b\u522b\u4fe1\u606f\u7684\u5168\u5c40\u56fe\uff0c\u5e76\u4f7f\u7528 GNN \u5b66\u4e60 POI \u548c\u7528\u6237\u7684\u8868\u5f81\uff0c\u4ece\u800c\u66f4\u597d\u5730\u6355\u6349\u7528\u6237\u79fb\u52a8\u6a21\u5f0f\u3002<br>MobGT \u4f7f\u7528 Transformer \u6a21\u578b\u6765\u5b66\u4e60\u7528\u6237\u4e2a\u4eba\u79fb\u52a8\u5b50\u56fe\u4e2d\u7684\u9ad8\u9636\u5173\u7cfb\uff0c\u4f8b\u5982\u95ed\u73af\u8f68\u8ff9\u3001\u91cd\u590d\u7684\u79fb\u52a8\u6a21\u5f0f\u7b49\u3002\u5728\u8fdb\u884c\u7528\u6237\u672a\u6765\u8f68\u8ff9\u9884\u6d4b\u65f6\uff0c\u4e5f\u9700\u8981\u8003\u8651\u8f68\u8ff9\u4e2d\u7684\u9ad8\u9636\u5173\u7cfb\u3002<br>MobGT \u63d0\u51fa\u4e86 Tail Loss \u6765\u89e3\u51b3 POI \u6570\u636e\u4e2d\u7684\u957f\u5c3e\u95ee\u9898\uff0c\u503c\u5f97\u53c2\u8003\u5b66\u4e60\u3002<br>MobGT \u5177\u6709\u826f\u597d\u7684\u53ef\u89e3\u91ca\u6027\uff0c\u4f8b\u5982\u53ef\u4ee5\u901a\u8fc7\u4e2d\u5fc3\u8282\u70b9\u7684\u5173\u8054\u5173\u7cfb\u6765\u89e3\u91ca\u6a21\u578b\u9884\u6d4b\u7ed3\u679c\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1aXiaohang Xu\uff0cToyotaro Suzumura\uff0cJiawei Yong\u7b49\u5355\u4f4d\uff1a\u65e5\u672c\u4e1c\u4eac\u5927\u5b66\u6765 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2012","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/2012","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/comments?post=2012"}],"version-history":[{"count":1,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/2012\/revisions"}],"predecessor-version":[{"id":2038,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/2012\/revisions\/2038"}],"wp:attachment":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/media?parent=2012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/categories?post=2012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/tags?post=2012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}