{"id":70083,"date":"2022-06-06T08:41:40","date_gmt":"2022-06-06T00:41:40","guid":{"rendered":"https:\/\/www.growthhk.cn\/?p=70083"},"modified":"2022-06-06T08:41:41","modified_gmt":"2022-06-06T00:41:41","slug":"%e5%a4%8d%e7%9b%98%e4%b8%80%e4%b8%aa%e5%9c%a8%e4%ba%ac%e4%b8%9c%e5%81%9a%e7%9a%84%e7%83%ad%e9%97%a8%e5%8f%ac%e5%9b%9e%e7%ad%96%e7%95%a5%e8%ae%be%e8%ae%a1%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.growthhk.cn\/cgo\/product\/70083.html","title":{"rendered":"\u590d\u76d8\u4e00\u4e2a\u5728\u4eac\u4e1c\u505a\u7684\u70ed\u95e8\u53ec\u56de\u7b56\u7565\u8bbe\u8ba1\u65b9\u6cd5"},"content":{"rendered":"\n

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EE\u5177\u4f53\u662f\u6307\uff1aExplanation\u548cExplorer\u3002<\/p>\n\n\n\n

\u8fd9\u4e24\u4e2a\u5b9e\u9645\u4e0a\u5bf9\u5e94\u4e86\u8861\u91cf\u63a8\u8350\u7cfb\u7edf\u505a\u7684\u597d\u574f\u7684\u4e24\u4e2a\u6838\u5fc3\u6307\u6807\uff1a\u53ef\u89e3\u91ca\u6027\u548c\u63a2\u7d22\u6027\u3002<\/p>\n\n\n\n

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\u51c6\u786e\u6027\u6211\u4eec\u901a\u5e38\u80fd\u591f\u901a\u8fc7\u66f4\u7cbe\u51c6\u7684\u7528\u6237\u753b\u50cf\u6765\u4fdd\u8bc1\uff0c\u90a3\u4e48\u65b0\u9896\u6027\u600e\u4e48\u4fdd\u8bc1\uff1f<\/p>\n\n\n\n

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\u6240\u8c13\u7684\u70ed\u95e8\u53ec\u56de\u901a\u5e38\u662f\u6307\u57fa\u4e8e\u7279\u5b9a\u7ef4\u5ea6\u4e0b\u53bb\u8ba1\u7b97\u6bcf\u4e2aitem\u7684\u5f97\u5206\uff0c\u4e00\u822c\u547d\u540d\u4e3a\u70ed\u5ea6\u5f97\u5206\uff0c\u5f97\u5206\u8d8a\u9ad8\uff0c\u8868\u660e\u5728\u5e73\u53f0\u7684\u70ed\u5ea6\u8d8a\u9ad8\uff0c\u6309\u7167\u70ed\u5ea6\u9009\u51faTopN\u7684item\u3002<\/p>\n\n\n\n

\u6bd4\u5982\uff1a<\/p>\n\n\n\n

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\u57fa\u4e8e\u725b\u987f\u51b7\u5374\u5b9a\u5f8b<\/strong><\/p>\n\n\n\n

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\u70ed\u5ea6\u5206 = \u521d\u59cb\u70ed\u5ea6\u5206 + \u7528\u6237\u4ea4\u4e92\u4ea7\u751f\u7684\u70ed\u5ea6\u5206 \u2013 \u968f\u65f6\u95f4\u8870\u51cf\u7684\u70ed\u5ea6\u5206<\/p>\n\n\n

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

\u5176\u4e2d:<\/p>\n\n\n\n

S0<\/strong>:\u6309\u7167\u5546\u54c1\u7c7b\u522b\u7ed9\u4e88\u5546\u54c1\u4e0d\u540c\u7684\u521d\u59cb\u70ed\u5ea6\uff0c\u8ba9\u7528\u6237\u5173\u6ce8\u5ea6\u9ad8\u7684\u7c7b\u522b\u83b7\u5f97\u66f4\u9ad8\u7684\u521d\u59cb\u70ed\u5ea6\u5206\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u591a\u7684\u66dd\u5149\uff0c\u901a\u5e38\u4f1a\u53c2\u8003\u5546\u54c1\u672c\u8eab\u7684\u7279\u5f81\uff0c\u6bd4\u5982\u4e0a\u9762\u63d0\u5230\u7684\u9500\u91cf\uff08sale\uff09\uff0c\u597d\u8bc4\uff08comment\uff09\uff0c\u4e0b\u5355\u8f6c\u70b9\u51fb\u8f6c\u5316\uff08CXR\uff09\uff0c\u4f18\u60e0\u529b\u5ea6\uff08discount\uff09\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u591f\u5f97\u5230\u5546\u54c1\u672c\u8eab\u7684\u521d\u59cb\u70ed\u5ea6\uff1a<\/p>\n\n\n\n

S0=W1*saleScore+W2*commentScore+W3*CXRScore+W4*discountScore<\/p>\n\n\n\n

S\uff08Users\uff09<\/strong>:\u5bf9\u4e8e\u5355\u4e2a\u5546\u54c1\uff0c\u7528\u6237\u53ef\u4ee5\u70b9\u51fb\u9605\u8bfb(click)\uff0c\u6536\u85cf(favor)\uff0c\u5206\u4eab(share)\uff0c\u8bc4\u8bba(comment)\u8fd9\u56db\u79cd\u884c\u4e3a\uff0c\u6211\u4eec\u4e3a\u4e0d\u540c\u7684\u884c\u4e3a\u8d4b\u4e88\u5206\u6570\uff0c\u5c31\u80fd\u5f97\u5230\u5546\u54c1\u7684\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u4e3a:<\/p>\n\n\n\n

S(Users) = W1*clickScore + W2*favorScore + W3*commentScore + W4*shareScore<\/p>\n\n\n\n

\u725b\u987f\u51b7\u5374\u5b9a\u5f8b<\/strong>: \u672c\u671f\u6e29\u5ea6 = \u4e0a\u4e00\u671f\u6e29\u5ea6 x exp(-(\u51b7\u5374\u7cfb\u6570) x \u95f4\u9694\u7684\u5c0f\u65f6\u6570)<\/p>\n\n\n\n

\u76f8\u5e94\u7684\u6211\u4eec\u53ef\u4ee5\u5728\u70ed\u5ea6\u8ba1\u7b97\u5f53\u4e2d\u52a0\u5165\u65f6\u95f4\u7684\u56e0\u7d20\uff1a<\/p>\n\n\n\n

T(Time) = e ^ (k*(T1 \u2013 T0)) \u5176\u4e2dT0\u662f\u5546\u54c1\u53d1\u5e03\u65f6\u95f4\uff0cT1\u662f\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u4ee5\u4e0a\u5c31\u662f\u4e4b\u524d\u5e38\u7528\u7684\u4e00\u79cd\u70ed\u5ea6\u7b56\u7565\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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