{"id":35947,"date":"2022-07-19T21:59:00","date_gmt":"2022-07-19T13:59:00","guid":{"rendered":"https:\/\/swarma.org\/?p=35947"},"modified":"2022-07-19T21:59:00","modified_gmt":"2022-07-19T13:59:00","slug":"%e4%ba%ba%e5%8f%a3%e6%80%8e%e6%a0%b7%e5%9c%a8%e5%9f%8e%e5%b8%82%e9%97%b4%e8%bf%81%e7%a7%bb%ef%bc%9f%e4%bb%8e%e5%bc%95%e5%8a%9b%e6%a8%a1%e5%9e%8b%e5%88%b0%e6%b7%b1%e5%ba%a6%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=35947","title":{"rendered":"\u4eba\u53e3\u600e\u6837\u5728\u57ce\u5e02\u95f4\u8fc1\u79fb\uff1f\u4ece\u5f15\u529b\u6a21\u578b\u5230\u6df1\u5ea6\u5b66\u4e60"},"content":{"rendered":"
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A Deep Gravity model for mobility flows generation<\/span><\/p>\n

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\u56fe 1 \u5c55\u793a\u4e86\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u7684\u6846\u67b6\u3002\u8be5\u6a21\u578b\u5148\u628a\u7814\u7a76\u533a\u57df\u5212\u5206\u5272\u4e3a\u4e0d\u540c\u7684\u5730\u70b9\uff0c\u5206\u5272\u7684\u6807\u51c6\u53ef\u4ee5\u662f\u884c\u653f\u533a\u5212\u4e5f\u53ef\u4ee5\u662f\u4eba\u53e3\u666e\u67e5\u533a\u3002\u6bcf\u4e2a\u5730\u70b9\u90fd\u6709\u5730\u7406\u4fe1\u606f\u53d8\u91cf\uff0c\u8fd9\u4e9b\u4fe1\u606f\u90fd\u662f\u4ece OpenStreetMap<\/span>\uff08https:\/\/www.openstreetmap.org\uff09<\/span>\u8fd9\u4e00\u516c\u5171\u548c\u5f00\u6e90\u7684\u5730\u7406\u4fe1\u606f\u7cfb\u7edf\u4e2d\u63d0\u53d6\u7684\u5174\u8da3\u70b9\u8ba1\u7b97\u5f97\u5230\u3002\u8fd9\u4e9b\u53d8\u91cf\u63cf\u8ff0\u4e86\u57ce\u5e02\u5730\u533a\u7684\u57fa\u672c\u65b9\u9762\uff0c\u5982\u571f\u5730\u4f7f\u7528<\/span>\uff08\u5546\u4e1a\u3001\u4f4f\u5b85\u548c\u5de5\u4e1a\u7b49<\/span>\uff09\u3001\u9053\u8def\u7f51\u7edc\u7279\u5f81<\/span>\uff08\u4e0d\u540c\u7c7b\u578b\u9053\u8def\u957f\u5ea6\uff09<\/span>\u3001\u4ea4\u901a\u3001\u98df\u54c1\u3001\u536b\u751f\u3001\u6559\u80b2\u548c\u96f6\u552e\u8bbe\u65bd\u3002<\/span><\/section>\n
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\u4f5c\u8005\u901a\u8fc7\u5728\u4f20\u7edf\u5f15\u529b\u6a21\u578b\u4e2d\u6dfb\u52a0\u975e\u7ebf\u6027\u548c\u9690\u85cf\u5c42\u4ee5\u53ca\u989d\u5916\u7684\u5730\u7406\u7279\u5f81\u6765\u5b9a\u4e49\u4e86\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u3002<\/span><\/section>\n

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\u56e0\u6b64\uff0c\u6bcf\u4e2a\u79fb\u52a8\u6d41\u7531 39  \u4e2a\u7279\u5f81<\/span>\uff0818 \u4e2a\u8d77\u70b9\u7684\u5730\u7406\u7279\u5f81\u548c 18 \u4e2a\u7ec8\u70b9\u7684\u5730\u7406\u7279\u5f81\u3001\u8d77\u70b9\u548c\u7ec8\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u53ca\u5176\u4eba\u53e3\uff09<\/span>\u6765\u63cf\u8ff0\uff0c\u6a21\u578b\u8f93\u51fa\u4e3a\u4e24\u5730\u7684\u51fa\u884c\u7684\u6982\u7387\u3002<\/span><\/section>\n
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\u4e3a\u4e86\u8bc4\u4f30\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u7684\u6027\u80fd\uff0c\u4f5c\u8005\u5206\u522b\u5206\u6790\u4e86\u82f1\u56fd\u3001\u610f\u5927\u5229\u548c\u7f8e\u56fd\u7ebd\u7ea6\u5dde\u7684\u4eba\u53e3\u666e\u67e5\u533a\u4e4b\u95f4\u7684\u6d41\u52a8\u6027\u3002\u6a21\u578b\u6027\u80fd\u6307\u6807\u7528\u7684\u662f\u8bc4\u4f30\u4ea4\u901a\u6d41\u91cf\u751f\u6210\u6a21\u578b\u6027\u80fd\u7684\u6700\u5e38\u7528\u6307\u6807\u662f S\u00f8rensen-Dice \u6307\u6570\uff0c\u4e5f\u79f0\u4e3a Common Part of Commuters<\/span> (CPC)<\/span>\uff0c\u8be5\u6307\u6807\u7b49\u4ef7\u4e8e\u51c6\u786e\u5ea6\uff0c\u5373\u6a21\u578b\u6b63\u786e\u9884\u6d4b\u7684\u51fa\u884c\u76ee\u7684\u5730\u7684\u6bd4\u4f8b\u3002<\/span><\/section>\n
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\u5728\u4eba\u53e3\u5bc6\u5ea6\u9ad8\u7684\u5730\u533a\uff0c\u76f8\u6bd4\u4e8e\u7ecf\u5178\u7684\u5f15\u529b\u6a21\u578b\uff0c\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u7684\u6027\u80fd\u63d0\u9ad8\u4e86 66%<\/span>\uff08\u610f\u5927\u5229\uff09<\/span>\u3001246%<\/span>\uff08\u82f1\u56fd\uff09<\/span>\u548c 1076%<\/span>\uff08\u7ebd\u7ea6\u5dde\uff09<\/span>\u3002\u4e0d\u540c\u56fd\u5bb6\u662f\u6027\u80fd\u5dee\u5f02\u73b0\u53ef\u80fd\u662f\u7531\u7a7a\u95f4\u5355\u5143\u7684\u5f62\u72b6\u548c\u5927\u5c0f\u3001\u6d41\u91cf\u7684\u7a00\u758f\u6027\u548c\u6d41\u52a8\u6027\u6570\u636e\u6765\u6e90\u7684\u5dee\u5f02\u9020\u6210\u7684\u3002\u6b64\u5916\uff0c\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u8fd8\u5177\u6709\u826f\u597d\u7684\u6cdb\u5316\u80fd\u529b\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u5728\u5730\u7406\u4e0a\u4e0e\u7528\u4e8e\u8bad\u7ec3\u6a21\u578b\u7684\u5730\u533a\u4e0d\u76f8\u8fde\u7684\u5730\u533a\u3002<\/span><\/section>\n
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\u56fe2. \u5b9e\u9645\u6d41\u91cf\u4e0e\u751f\u6210\u6d41\u91cf\u7684\u5bf9\u6bd4\u3002\uff08a\uff09\u63cf\u8ff0\u82f1\u56fd\u5229\u7269\u6d66\u5317\u90e8\u89c2\u5bdf\u5230\u7684\u5b9e\u9645\u6d41\u91cf\u3002\uff08b\uff09\u6709\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u751f\u6210\u7684\u79fb\u52a8\u6d41\u91cf\u3002\uff08c\uff09\u6709\u7ecf\u5178\u5f15\u529b\u6a21\u578b\u751f\u6210\u7684\u6d41\u91cf\u3002<\/span><\/p>\n

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\u56fe2 \u5c06\u82f1\u56fd\u5229\u7269\u6d66\u7684\u5b9e\u9645\u4eba\u53e3\u79fb\u52a8\u6d41\u4e0e\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u548c\u7ecf\u5178\u5f15\u529b\u6a21\u578b\u7684\u751f\u6210\u6d41\u8fdb\u884c\u4e86\u5bf9\u6bd4\u3002\u65e0\u8bba\u5728\u6d41\u91cf\u503c\u7684\u7ed3\u6784\u548c\u5206\u5e03\u65b9\u9762\uff0c\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u7684\u6d41\u91cf\u7f51\u7edc\u90fd\u6bd4\u7ecf\u5178\u5f15\u529b\u6a21\u578b\u7684\u6d41\u91cf\u7f51\u7edc\u5728\u89c6\u89c9\u4e0a\u66f4\u7c7b\u4f3c\u4e8e\u771f\u5b9e\u7f51\u7edc\u3002\u867d\u7136\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u548c\u7ecf\u5178\u5f15\u529b\u6a21\u578b\u90fd\u4f4e\u4f30\u4e86\u6d41\u91cf\uff0c\u4f46\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u6bd4\u7ecf\u5178\u5f15\u529b\u6a21\u578b\u66f4\u51c6\u786e\u5730\u6293\u4f4f\u4e86\u6d41\u91cf\u7f51\u7edc\u7684\u6574\u4f53\u7ed3\u6784\u3002<\/span><\/section>\n
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\u5c3d\u7ba1\u603b\u4f53 CPC = 0.41 \u53ef\u80fd\u770b\u8d77\u6765\u5f88\u4f4e\uff0c\u4f46\u8003\u8651\u5230\u4eba\u7c7b\u6d41\u52a8\u6027\u662f\u4e00\u4e2a\u9ad8\u5ea6\u590d\u6742\u7684\u7cfb\u7edf\uff1a\u4e00\u65b9\u9762\uff0c\u5f71\u54cd\u4eba\u4eec\u79fb\u52a8\u51b3\u7b56\u7684\u56e0\u7d20\u6570\u91cf\u8fdc\u8fdc\u8d85\u8fc7\u53ef\u7528\u5730\u7406\u7279\u5f81\u6355\u83b7\u7684\u56e0\u7d20\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u79fb\u52a8\u6d41\u5177\u6709\u5185\u5728\u7684\u968f\u673a\u6210\u5206\uff0c\u56e0\u6b64\u65e0\u6cd5\u4ee5\u786e\u5b9a\u6027\u65b9\u5f0f\u5bf9\u5355\u4e2a\u79fb\u52a8\u4e8b\u4ef6\u7684\u9884\u6d4b\u3002<\/span><\/section>\n
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\u8bba\u6587\u4f5c\u8005\u8fd8\u5bf9\u6bd4\u4e86\u6a21\u578b\u5728\u4eba\u53e3\u5bc6\u5ea6\u9ad8\u548c\u4f4e\u4e0d\u540c\u5730\u533a\u7684\u8868\u73b0\u3002\u65e0\u8bba\u662f\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u8fd8\u662f\u7ecf\u5178\u5f15\u529b\u6a21\u578b\uff0c\u5b83\u4eec\u5728\u4eba\u53e3\u7a00\u5c11\u7684\u611f\u5174\u8da3\u533a\u57df\u66f4\u51c6\u786e\uff0c\u56e0\u4e3a\u5728\u4eba\u53e3\u7a20\u5bc6\u7684\u533a\u57df\u6709\u8bb8\u591a\u76f8\u5173\u4f4d\u7f6e\uff0c\u56e0\u6b64\u9884\u6d4b\u51fa\u884c\u7684\u6b63\u786e\u76ee\u7684\u5730\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002\u4f46\u968f\u7740\u4eba\u53e3\u5bc6\u5ea6\u7684\u589e\u52a0\uff0c\u6df1\u5ea6\u5f15\u529b\u7684\u6027\u80fd\u4e0b\u964d\u5f97\u66f4\u5c11\u3002<\/span><\/section>\n
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\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u5730\u7406\u73af\u5883\uff0c\u53ea\u8981\u6709\u9002\u5f53\u7684\u4fe1\u606f\uff0c\u5982\u533a\u57df\u65b9\u683c\u3001\u6bcf\u4e2a\u5730\u70b9\u7684\u603b\u6d41\u51fa\u91cf\u3001\u5730\u70b9\u7684\u4eba\u53e3\u548c\u5173\u4e8e\u5174\u8da3\u70b9\u7684\u4fe1\u606f\uff0c\u5c31\u80fd\u5728\u4efb\u4f55\u57ce\u5e02\u805a\u96c6\u533a\u7684\u5730\u70b9\u4e4b\u95f4\u4ea7\u751f\u79fb\u52a8\u6d41\u3002\u8fd9\u5c31\u4e3a\u6a21\u578b\u7684\u5730\u7406\u53ef\u89e3\u91ca\u6027\u548c\u53ef\u8f6c\u79fb\u6027\u6253\u5f00\u4e86\u4e00\u6247\u5927\u95e8\u3002<\/span><\/section>\n
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\u4f46\u662f\uff0c\u8be5\u6a21\u578b\u4f7f\u7528\u7684\u6df1\u5ea6\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u9ed1\u7bb1\u3002\u800c\u5bf9\u4e8e\u73b0\u5b9e\u7684\u57ce\u5e02\u7ba1\u7406\u548c\u89c4\u5212\uff0c\u77e5\u9053\u6bcf\u4e2a\u53d8\u91cf\u53d1\u6325\u600e\u6837\u7684\u4f5c\u7528\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u56e0\u6b64\u5341\u5206\u6709\u5fc5\u8981\u6253\u5f00\u8fd9\u4e2a\u9ed1\u7bb1\u3002\u8fd9\u6d89\u53ca\u8fd1\u5e74\u6765\u5b66\u754c\u5021\u5bfc\u7684\u53ef\u89e3\u91ca\u7684\u673a\u5668\u5b66\u4e60\uff0c\u5373\u4eba\u5de5\u667a\u80fd\u7cfb\u7edf\u7684\u884c\u4e3a\u5e94\u8be5\u662f\u900f\u660e\u7684\u3001\u53ef\u89e3\u91ca\u7684\u548c\u53ef\u4fe1\u7684\u3002<\/span><\/section>\n
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\u4e3a\u6b64\uff0c\u4f5c\u8005\u4f7f\u7528 SHapley Additive exPlanations <\/span>\uff08SHAP\uff09<\/span>\u503c\u6765\u4e86\u89e3\u4e0d\u540c\u5730\u7406\u7279\u5f81\u5982\u4f55\u5728\u6a21\u578b\u4e2d\u53d1\u6325\u4f5c\u7528\u3002SHAP \u503c\u4f30\u8ba1\u4e86\u6bcf\u4e2a\u7279\u5f81\u7684\u5728\u6a21\u578b\u9884\u6d4b\u4e2d\u7684\u8d21\u732e\uff0c\u8868\u793a\u4e0e\u6570\u636e\u96c6\u7684\u5e73\u5747\u9884\u6d4b\u76f8\u6bd4\uff0c\u8be5\u7279\u5f81\u7684\u5b58\u5728\u6216\u4e0d\u5b58\u5728\u5982\u4f55\u6539\u53d8\u5bf9\u7279\u5b9a\u5b9e\u4f8b\u7684\u6a21\u578b\u9884\u6d4b\u3002<\/span><\/section>\n
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 <\/span><\/section>\n
\u56fe 3 \u5c55\u793a\u4e86\u82f1\u683c\u5170\u3001\u610f\u5927\u5229\u548c\u7ebd\u7ea6\u5dde\u7684\u6df1\u5ea6\u5f15\u529b\u6a21\u578b\u4e2d\u6240\u6709\u8f93\u5165\u7279\u5f81\u7684 SHAP \u503c\u5206\u5e03\u3002\u5177\u6709\u8f83\u5927SHAP \u503c\u7684\u6700\u76f8\u5173\u7279\u5f81\u4e4b\u4e00\u662f\u5730\u7406\u8ddd\u79bb\uff0c\u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\uff0c\u51fa\u53d1\u5730\u548c\u76ee\u7684\u5730\u4e4b\u95f4\u7684\u5927\u8ddd\u79bb\u6709\u52a9\u4e8e\u51cf\u5c11\u6d41\u52a8\u6982\u7387\uff0c\u800c\u5c0f\u8ddd\u79bb\u5219\u4f1a\u4f7f\u5176\u589e\u52a0\u3002\u76ee\u7684\u5730\u7684\u4eba\u53e3\u4e5f\u4e0e\u4eba\u53e3\u79fb\u52a8\u5f88\u76f8\u5173\uff0c\u7279\u522b\u662f\u5728\u610f\u5927\u5229\u548c\u7ebd\u7ea6\u5dde\u3002<\/span><\/section>\n
 <\/span><\/section>\n
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 <\/span><\/section>\n
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 <\/span><\/section>\n
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 <\/span><\/section>\n
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 <\/span><\/section>\n
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 <\/span><\/section>\n
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\u8ba1\u7b97\u793e\u4f1a\u79d1\u5b66\u8bfb\u4e66\u4f1a\u7b2c\u4e8c\u5b63<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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\u65b0\u4e00\u5b63\u3010\u8ba1\u7b97\u793e\u4f1a\u79d1\u5b66\u8bfb\u4e66\u4f1a<\/a>\u3011\u7531\u6e05\u534e\u5927\u5b66\u7f57\u5bb6\u5fb7\u6559\u6388\u9886\u8854\uff0c\u5361\u5185\u57fa\u6885\u9686\u5927\u5b66\u3001\u5bc6\u6b47\u6839\u5927\u5b66\u3001\u6e05\u534e\u5927\u5b66\u3001\u5339\u5179\u5821\u5927\u5b66\u7684\u591a\u4f4d\u535a\u58eb\u751f\u8054\u5408\u53d1\u8d77\uff0c\u81ea2022\u5e746\u670818\u65e5\u5f00\u59cb\uff0c\u6301\u7eed10-12\u5468\u3002\u672c\u5b63\u8bfb\u4e66\u5c06\u805a\u7126\u8ba8\u8bbaGraph\u3001Embedding\u3001NLP\u3001Modeling\u3001Data collection\u7b49\u65b9\u6cd5\u53ca\u5176\u4e0e\u793e\u4f1a\u79d1\u5b66\u95ee\u9898\u7684\u7ed3\u5408\uff0c\u5e76\u9488\u5bf9\u6027\u8ba8\u8bba\u9884\u6d4b\u6027\u4e0e\u89e3\u91ca\u6027\u3001\u65b0\u51a0\u75ab\u60c5\u7814\u7a76\u7b49\u8bfe\u9898\u3002\u8bfb\u4e66\u4f1a\u8be6\u60c5\u53ca\u53c2\u4e0e\u65b9\u5f0f\u89c1\u6587\u672b\uff0c\u6b22\u8fce\u4ece\u4e8b\u76f8\u5173\u7814\u7a76\u6216\u5bf9\u8ba1\u7b97\u793e\u4f1a\u79d1\u5b66\u611f\u5174\u8da3\u7684\u670b\u53cb\u53c2\u4e0e\u3002<\/span><\/section>\n


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\u8be6\u60c5\u8bf7\u89c1\uff1a<\/span>
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\u63a8\u8350\u9605\u8bfb<\/span><\/strong><\/strong><\/p>\n