{"id":34305,"date":"2022-11-18T03:20:23","date_gmt":"2022-12-26T21:45:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e5%92%8cpython%e6%9d%a5%e5%ae%9e%e7%8e%b0%e5%8d%8f%e5%90%8c%e8%bf%87%e6%bb%a4%ef%bc%88%e6%8e%a8%e8%8d%90%ef%bc%89%e5%8a%9f%e8%83%bd%e3%80%82\/"},"modified":"2024-04-29T01:15:19","modified_gmt":"2024-04-28T17:15:19","slug":"%e6%88%91%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e5%92%8cpython%e6%9d%a5%e5%ae%9e%e7%8e%b0%e5%8d%8f%e5%90%8c%e8%bf%87%e6%bb%a4%ef%bc%88%e6%8e%a8%e8%8d%90%ef%bc%89%e5%8a%9f%e8%83%bd%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e5%92%8cpython%e6%9d%a5%e5%ae%9e%e7%8e%b0%e5%8d%8f%e5%90%8c%e8%bf%87%e6%bb%a4%ef%bc%88%e6%8e%a8%e8%8d%90%ef%bc%89%e5%8a%9f%e8%83%bd%e3%80%82\/","title":{"rendered":"\u6211\u5c1d\u8bd5\u4f7f\u7528Redis\u548cPython\u6765\u5b9e\u73b0\u534f\u540c\u8fc7\u6ee4\uff08\u63a8\u8350\uff09\u529f\u80fd"},"content":{"rendered":"<h1>\u8fd9\u6b21\u5236\u4f5c\u7684\u4e1c\u897f<\/h1>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u521b\u5efa\u7c7b\u4f3c\u4e9a\u9a6c\u900a\u7684\u300c\u8d2d\u4e70\u4e86\u8be5\u5546\u54c1\u7684\u4eba\u4e5f\u8d2d\u4e70\u4e86\u8fd9\u4e9b\u5546\u54c1\u300d\u529f\u80fd\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/2-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 5.53.32.png\" \/><\/div>\n<h1>\u8981\u7d20\u6280\u672f\u548c\u5b9e\u65bd\u65b9\u6cd5 s\u00f9 h\u00e9<\/h1>\n<p>\u4e00\u822c\u800c\u8a00\uff0c\u6240\u8c13\u7684\u63a8\u8350\u529f\u80fd\uff08\u63a8\u8350\u529f\u80fd\uff09\u3002\u63a8\u8350\u7684\u5b9e\u73b0\u65b9\u6cd5\u4e3b\u8981\u6709\u4e24\u79cd\uff0c\u5206\u522b\u662f\u201c\u534f\u540c\u8fc7\u6ee4\u201d\u548c\u201c\u5185\u5bb9\u57fa\u51c6\u8fc7\u6ee4\u201d\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30f3\u30c4\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u3001\u4f8b\u3048\u3070\u4e0a\u8a18\u4f8b\u306e\u300e\u8001\u4eba\u3068\u6d77(\u30d8\u30df\u30f3\u30b0\u30a6\u30a7\u30a4)\u300f\u306e\u304a\u52e7\u3081\u5546\u54c1\u3092\u30b3\u30f3\u30c6\u30f3\u30c4\u30d9\u30fc\u30b9\u3067\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u3001\u4e8b\u524d\u306b\u5546\u54c1\u306b\u5c5e\u6027\u306e\u30bf\u30b0\u3092\u6253\u3063\u3066\u304a\u304f\u3002\u4f8b\u3048\u3070\u4f5c\u8005\u3068\u3044\u3046\u5c5e\u6027\u3067\u30bf\u30b0\u3092\u6253\u3063\u3066\u304a\u3051\u3070\u3001\u540c\u3058\u30d8\u30df\u30f3\u30b0\u30a6\u30a7\u30a4\u304c\u8a18\u3057\u305f\u672c\u3092\u304a\u52e7\u3081\u3068\u3057\u3066\u8868\u793a\u3059\u308b\u3002<\/p>\n<p>\u5354\u8abf\u904e\u6ffe\u662f\u6307\u986f\u793a\u5176\u4ed6\u8cfc\u8cb7\u4e86\u6b64\u5546\u54c1\u7684\u4eba\u7684\u8cfc\u8cb7\u63a8\u85a6\u3002<\/p>\n<p>\u8fd9\u6b21\u6211\u4eec\u8981\u5b9e\u73b0&#8221;\u534f\u540c\u8fc7\u6ee4&#8221;\u3002<\/p>\n<h1>\u6211\u4eec\u4f1a\u4f7f\u7528Redis\u548cPython\u3002<\/h1>\n<p>Redis\u662f\u4e00\u4e2a\u952e\u503c\u5b58\u50a8\u7cfb\u7edf\uff08KVS\uff09\u3002<br \/>\n\u4f7f\u7528Redis\u7684SortedSet\u7ed3\u6784\u3002<\/p>\n<h2>Redis\u5b89\u88c5\u6b65\u9aa4<\/h2>\n<p>MacPorts: http:\/\/blog.katsuma.tv\/2010\/03\/start_redis.html<br \/>\nHomeBrew: http:\/\/qiita.com\/items\/3d2a2fc683ae19302071<\/p>\n<p>MacPorts: http:\/\/blog.katsuma.tv\/2010\/03\/start_redis.html<br \/>\nHomeBrew: http:\/\/qiita.com\/items\/3d2a2fc683ae19302071<\/p>\n<h2>\u4f7f\u7528Redis\u7684\u539f\u56e0<\/h2>\n<p>\u7531\u4e8e\u4ece\u8ba1\u7b97\u91cf\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u6bcf\u6b21\u8ba1\u7b97\u63a8\u8350\u5546\u54c1\u5e76\u4e0d\u73b0\u5b9e\uff0c\u56e0\u6b64\u9700\u8981\u4e8b\u5148\u8ba1\u7b97\u5e76\u4ee5\u4fbf\u4e8e\u83b7\u53d6\u548c\u8bb0\u5f55\u7684\u5f62\u5f0f\u8fdb\u884c\u5b58\u50a8\u3002(\u53ea\u8981\u80fd\u591f\u65b9\u4fbf\u53d6\u51fa\u548c\u8bb0\u5f55\uff0c\u9664\u4e86Redis\u4e4b\u5916\u7684\u5176\u4ed6\u5de5\u5177\u4e5f\u53ef\u4ee5\u4f7f\u7528)<\/p>\n<h2>SortedSet\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784<\/h2>\n<p>\u5c06\u6570\u636e\u653e\u5165\uff0c\u5e76\u7531Redis\u81ea\u52a8\u91cd\u65b0\u6392\u5e8f\u7684\u5217\u8868\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/16-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 4.26.57.png\" \/><\/div>\n<h1>\u534f\u8c03\u8fc7\u6ee4\u7b97\u6cd5\u7684\u5b9e\u73b0<\/h1>\n<p>\u53ea\u8981\u80fd\u591f\u83b7\u53d6\u5bf9\u5546\u54c1X\u7684\u6bcf\u4e2a\u5546\u54c1\u7684\u76f8\u4f3c\u5ea6\u503c\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/19-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 4.29.36.png\" \/><\/div>\n<h1>\u76f8\u4f3c\u5ea6\u7684\u8ba1\u7b97\u516c\u5f0f<\/h1>\n<p>\u6709\u5404\u79cd\u65b9\u6cd5\uff0c\u4f46\u901a\u5e38\u4f7f\u7528Jaccard\u6307\u6570\uff08\u30b8\u30e3\u30c3\u30ab\u30fc\u30eb\u3057\u3059\u3046\uff09\u3002<br \/>\n\u5728\u4e0b\u9762\u7684\u6837\u672c\u6570\u636e\u4e2d\uff0c\u5546\u54c1A\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a1\u00f75\u3002<br \/>\n1\u8868\u793a\u540c\u65f6\u8d2d\u4e70\u5546\u54c1X\u548c\u5546\u54c1A\u7684\u5ba2\u6237\u6570\u91cf\u4e3a1\uff0c\u5373\u4ea4\u96c6\u3002<br \/>\n5\u8868\u793a\u8d2d\u4e70\u5546\u54c1X\u548c\u5546\u54c1A\u4e2d\u4efb\u610f\u4e00\u4e2a\u7684\u5ba2\u6237\u603b\u6570\uff0c\u5373\u5e76\u96c6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/22-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 4.36.07.png\" \/><\/div>\n<h1>\u4f7f\u7528\u672c\u6b21\u7684\u6837\u672c\u6570\u636e<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/24-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 5.23.01.png\" \/><\/div>\n<h1>\u5b9e\u65bd<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c1\"># -*- coding: utf-8 -*-\r\n<\/span><span class=\"kn\">from<\/span> <span class=\"nn\">__future__<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">absolute_import<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">__future__<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">unicode_literals<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">jaccard<\/span><span class=\"p\">(<\/span><span class=\"n\">e1<\/span><span class=\"p\">,<\/span> <span class=\"n\">e2<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"s\">\"\"\"\r\n    \u30b8\u30e3\u30c3\u30ab\u30fc\u30c9\u6307\u6570\u3092\u8a08\u7b97\u3059\u308b\r\n    :param e1: list of int\r\n    :param e2: list of int\r\n    :rtype: float\r\n    \"\"\"<\/span>\r\n    <span class=\"n\">set_e1<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">set<\/span><span class=\"p\">(<\/span><span class=\"n\">e1<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">set_e2<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">set<\/span><span class=\"p\">(<\/span><span class=\"n\">e2<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nb\">float<\/span><span class=\"p\">(<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">set_e1<\/span> <span class=\"o\">&amp;<\/span> <span class=\"n\">set_e2<\/span><span class=\"p\">))<\/span> <span class=\"o\">\/<\/span> <span class=\"nb\">float<\/span><span class=\"p\">(<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">set_e1<\/span> <span class=\"o\">|<\/span> <span class=\"n\">set_e2<\/span><span class=\"p\">))<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">get_key<\/span><span class=\"p\">(<\/span><span class=\"n\">k<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">'JACCARD:PRODUCT:{}'<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">k<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u5546\u54c1X\u3092\u8cfc\u5165\u3057\u305f\u9867\u5ba2ID\u304c1,3,5\u3068\u3044\u3046\u3053\u3068\r\n<\/span><span class=\"n\">product_x<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">product_a<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">product_b<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">product_c<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">7<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">product_d<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">product_e<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">7<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\"># \u5546\u54c1\u30c7\u30fc\u30bf\r\n<\/span><span class=\"n\">products<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"s\">'X'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_x<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s\">'A'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_a<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s\">'B'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_b<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s\">'C'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_c<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s\">'D'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_d<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s\">'E'<\/span><span class=\"p\">:<\/span> <span class=\"n\">product_e<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\"># redis\r\n<\/span><span class=\"kn\">import<\/span> <span class=\"nn\">redis<\/span>\r\n<span class=\"n\">r<\/span> <span class=\"o\">=<\/span> <span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"n\">Redis<\/span><span class=\"p\">(<\/span><span class=\"n\">host<\/span><span class=\"o\">=<\/span><span class=\"s\">'localhost'<\/span><span class=\"p\">,<\/span> <span class=\"n\">port<\/span><span class=\"o\">=<\/span><span class=\"mi\">6379<\/span><span class=\"p\">,<\/span> <span class=\"n\">db<\/span><span class=\"o\">=<\/span><span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u30b8\u30e3\u30c3\u30ab\u30fc\u30c9\u6307\u6570\u3092\u8a08\u7b97\u3057\u3066\u5546\u54c1\u6bce\u306bredis\u306eSortedSet\u306b\u8a18\u9332\u3059\u308b\r\n<\/span><span class=\"k\">for<\/span> <span class=\"n\">key<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">products<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">base_customers<\/span> <span class=\"o\">=<\/span> <span class=\"n\">products<\/span><span class=\"p\">[<\/span><span class=\"n\">key<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">key2<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">products<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">key<\/span> <span class=\"o\">==<\/span> <span class=\"n\">key2<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"k\">continue<\/span>\r\n        <span class=\"n\">target_customers<\/span> <span class=\"o\">=<\/span> <span class=\"n\">products<\/span><span class=\"p\">[<\/span><span class=\"n\">key2<\/span><span class=\"p\">]<\/span>\r\n        <span class=\"c1\"># \u30b8\u30e3\u30c3\u30ab\u30fc\u30c9\u6307\u6570\u3092\u8a08\u7b97\r\n<\/span>        <span class=\"n\">j<\/span> <span class=\"o\">=<\/span> <span class=\"n\">jaccard<\/span><span class=\"p\">(<\/span><span class=\"n\">base_customers<\/span><span class=\"p\">,<\/span> <span class=\"n\">target_customers<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"c1\"># redis\u306eSortedSet\u306b\u8a18\u9332\u3059\u308b\r\n<\/span>        <span class=\"n\">r<\/span><span class=\"p\">.<\/span><span class=\"n\">zadd<\/span><span class=\"p\">(<\/span><span class=\"n\">get_key<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">),<\/span> <span class=\"n\">key2<\/span><span class=\"p\">,<\/span> <span class=\"n\">j<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u4f8b1 \u5546\u54c1X\u3092\u8cb7\u3063\u305f\u4eba\u306f\u3053\u3093\u306a\u5546\u54c1\u3082\u8cb7\u3063\u3066\u3044\u307e\u3059\u3002\r\n<\/span><span class=\"k\">print<\/span> <span class=\"n\">r<\/span><span class=\"p\">.<\/span><span class=\"n\">zrevrange<\/span><span class=\"p\">(<\/span><span class=\"n\">get_key<\/span><span class=\"p\">(<\/span><span class=\"s\">'X'<\/span><span class=\"p\">),<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n<span class=\"c1\"># &gt; ['B', 'D', 'A']\r\n<\/span>\r\n<span class=\"c1\"># \u4f8b2 \u5546\u54c1E\u3092\u8cb7\u3063\u305f\u4eba\u306f\u3053\u3093\u306a\u5546\u54c1\u3082\u8cb7\u3063\u3066\u3044\u307e\u3059\u3002\r\n<\/span><span class=\"k\">print<\/span> <span class=\"n\">r<\/span><span class=\"p\">.<\/span><span class=\"n\">zrevrange<\/span><span class=\"p\">(<\/span><span class=\"n\">get_key<\/span><span class=\"p\">(<\/span><span class=\"s\">'E'<\/span><span class=\"p\">),<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n<span class=\"c1\"># &gt; ['C', 'A', 'X']\r\n<\/span>\r\n<\/code><\/pre>\n<h1>\u8ba9\u6211\u4eec\u6765\u67e5\u770b\u4e00\u4e0bRedis\u4e2d\u5b58\u50a8\u7684\u503c\u3002<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/28-0.png\" alt=\"r.png\" \/><\/div>\n<h1>\u8ba9\u6211\u4eec\u6765\u505a\u4e2a\u9a8c\u8bc1<\/h1>\n<p>\u8d2d\u4e70\u5546\u54c1X\u7684\u4eba\u5411\u4ed6\u4eec\u63a8\u8350\u4e86\u5546\u54c1B\uff0cD\uff0cA\u3002\u6839\u636e\u6821\u9a8c\u7ed3\u679c\uff0c\u5b83\u4eec\u5206\u522b\u5177\u67090.5\uff0c0.33\u548c0.2\u7684\u76f8\u4f3c\u5ea6\uff0c\u6240\u4ee5\u53ef\u4ee5\u8bf4\u5b83\u4eec\u88ab\u9002\u5f53\u5730\u63a8\u8350\u4e86\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1cad37434c4406c116e6\/31-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2015-04-23 5.21.23.png\" \/><\/div>\n<h1>\u8fd9\u79cd\u65b9\u6cd5\u7684\u95ee\u9898\u6240\u5728<\/h1>\n<p>\u5f53\u987e\u5ba2\u6570\u91cf\u548c\u5546\u54c1\u6570\u91cf\u589e\u52a0\u65f6\uff0c\u8ba1\u7b97\u91cf\u4f1a\u6025\u5267\u589e\u52a0\u5e76\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n<h1>\u89e3\u51b3\u65b9\u6848 (ji\u011b ju\u00e9 \u00e0n)<\/h1>\n<p>Amazon\u5e0c\u671b\u4e0e\u60a8\u4e00\u540c\u521b\u5efa\u5012\u6392\u7d22\u5f15\u3002\u8bf7\u8bbf\u95eehttp:\/\/www.cs.umd.edu\/~samir\/498\/Amazon-Recommendations.pdf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u6b21\u5236\u4f5c\u7684\u4e1c\u897f \u8ba9\u6211\u4eec\u5c1d\u8bd5\u521b\u5efa\u7c7b\u4f3c\u4e9a\u9a6c\u900a\u7684\u300c\u8d2d\u4e70\u4e86\u8be5\u5546\u54c1\u7684\u4eba\u4e5f\u8d2d\u4e70\u4e86\u8fd9\u4e9b\u5546\u54c1\u300d\u529f\u80fd\u3002 \u8981\u7d20\u6280\u672f\u548c\u5b9e\u65bd\u65b9\u6cd5 s\u00f9 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34305","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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