{"id":192734,"date":"2024-11-12T19:34:20","date_gmt":"2024-11-12T11:34:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192734\/"},"modified":"2024-11-12T19:34:21","modified_gmt":"2024-11-12T11:34:21","slug":"%e8%a1%8c%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e6%ba%96%e7%a2%ba%e6%80%a7-%e5%a6%82%e4%bd%95%e6%af%94%e5%b0%8d%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192734\/","title":{"rendered":"\u884c\u7684\u6578\u64da\u5eab\u6bd4\u5c0d\u6280\u5de7\uff1a\u63d0\u9ad8\u6578\u64da\u6e96\u78ba\u6027 (\u5982\u4f55\u6bd4\u5c0d\u884c\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%ef%bc%9f-McvHDHOhDI\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u6bd4\u5c0d\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u6bd4\u5c0d\u662f\u6307\u5c07\u5169\u500b\u6216\u591a\u500b\u6578\u64da\u96c6\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u8b58\u5225\u76f8\u540c\u6216\u76f8\u4f3c\u7684\u6578\u64da\u689d\u76ee\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u6578\u64da\u6e05\u7406\u3001\u6a19\u6e96\u5316\u548c\u5339\u914d\u7b49\u6b65\u9a5f\u3002\u901a\u904e\u6bd4\u5c0d\uff0c\u4f01\u696d\u53ef\u4ee5\u767c\u73fe\u91cd\u8907\u7684\u6578\u64da\u3001\u932f\u8aa4\u7684\u689d\u76ee\u4ee5\u53ca\u4e0d\u4e00\u81f4\u7684\u8a18\u9304\uff0c\u5f9e\u800c\u9032\u884c\u76f8\u61c9\u7684\u4fee\u6b63\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%8c%91%e6%88%b0-McvHDHOhDI\">\u6578\u64da\u5eab\u6bd4\u5c0d\u7684\u5e38\u898b\u6311\u6230<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u683c\u5f0f\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4e0d\u540c\u4f86\u6e90\u7684\u6578\u64da\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\uff0c\u4f8b\u5982\u65e5\u671f\u683c\u5f0f\u3001\u5730\u5740\u683c\u5f0f\u7b49\uff0c\u9019\u6703\u5f71\u97ff\u6bd4\u5c0d\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<li><strong>\u91cd\u8907\u6578\u64da\uff1a<\/strong>\u5728\u6578\u64da\u6536\u96c6\u904e\u7a0b\u4e2d\uff0c\u91cd\u8907\u7684\u6578\u64da\u689d\u76ee\u53ef\u80fd\u6703\u5c0e\u81f4\u6bd4\u5c0d\u7d50\u679c\u4e0d\u6e96\u78ba\u3002<\/li>\n<li><strong>\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u4eba\u70ba\u8f38\u5165\u932f\u8aa4\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u9019\u5728\u6bd4\u5c0d\u6642\u6703\u9020\u6210\u56f0\u96e3\u3002<\/li>\n<li><strong>\u7f3a\u5931\u6578\u64da\uff1a<\/strong>\u7f3a\u5931\u7684\u6578\u64da\u6703\u5f71\u97ff\u6bd4\u5c0d\u7684\u5b8c\u6574\u6027\uff0c\u5c0e\u81f4\u7121\u6cd5\u6e96\u78ba\u8b58\u5225\u76f8\u4f3c\u689d\u76ee\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e6%ba%96%e7%a2%ba%e6%80%a7%e7%9a%84%e6%af%94%e5%b0%8d%e6%8a%80%e5%b7%a7-McvHDHOhDI\">\u63d0\u9ad8\u6578\u64da\u6e96\u78ba\u6027\u7684\u6bd4\u5c0d\u6280\u5de7<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-McvHDHOhDI\">1. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u6bd4\u5c0d\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u6e05\u7406\u3002\u9019\u5305\u62ec\u53bb\u9664\u91cd\u8907\u689d\u76ee\u3001\u4fee\u6b63\u62fc\u5beb\u932f\u8aa4\u4ee5\u53ca\u586b\u88dc\u7f3a\u5931\u6578\u64da\u3002\u4f7f\u7528\u6578\u64da\u6e05\u7406\u5de5\u5177\u6216\u7de8\u5beb\u81ea\u5b9a\u7fa9\u8173\u672c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6578\u64da\u7684\u8cea\u91cf\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%a8%99%e6%ba%96%e5%8c%96-McvHDHOhDI\">2. \u6578\u64da\u6a19\u6e96\u5316<\/h3>\n<p>\u6578\u64da\u6a19\u6e96\u5316\u662f\u5c07\u4e0d\u540c\u683c\u5f0f\u7684\u6578\u64da\u8f49\u63db\u70ba\u7d71\u4e00\u683c\u5f0f\u7684\u904e\u7a0b\u3002\u4f8b\u5982\uff0c\u5c07\u6240\u6709\u65e5\u671f\u8f49\u63db\u70baYYYY-MM-DD\u683c\u5f0f\uff0c\u6216\u5c07\u5730\u5740\u7d71\u4e00\u70ba\u7279\u5b9a\u7684\u683c\u5f0f\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6bd4\u5c0d\u904e\u7a0b\u4e2d\u7684\u932f\u8aa4\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%9b%b8%e4%bc%bc%e5%ba%a6%e7%ae%97%e6%b3%95-McvHDHOhDI\">3. \u4f7f\u7528\u76f8\u4f3c\u5ea6\u7b97\u6cd5<\/h3>\n<p>\u5728\u6bd4\u5c0d\u904e\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u4f3c\u5ea6\u7b97\u6cd5\u4f86\u8a55\u4f30\u6578\u64da\u689d\u76ee\u4e4b\u9593\u7684\u76f8\u4f3c\u6027\u3002\u5e38\u898b\u7684\u76f8\u4f3c\u5ea6\u7b97\u6cd5\u5305\u62ecJaccard\u76f8\u4f3c\u5ea6\u3001Cosine\u76f8\u4f3c\u5ea6\u7b49\u3002\u9019\u4e9b\u7b97\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u76f8\u4f3c\u7684\u6578\u64da\u689d\u76ee\uff0c\u5373\u4f7f\u5b83\u5011\u5728\u67d0\u4e9b\u65b9\u9762\u5b58\u5728\u5dee\u7570\u3002<\/p>\n<pre><code>\n# Python\u793a\u4f8b\uff1a\u8a08\u7b97Jaccard\u76f8\u4f3c\u5ea6\ndef jaccard_similarity(set1, set2):\n    intersection = len(set1.intersection(set2))\n    union = len(set1.union(set2))\n    return intersection \/ union\n\nset_a = set(\"apple banana cherry\".split())\nset_b = set(\"banana cherry date\".split())\nsimilarity = jaccard_similarity(set_a, set_b)\nprint(f\"Jaccard\u76f8\u4f3c\u5ea6: {similarity}\")\n<\/code><\/pre>\n<h3 id=\"4-%e8%87%aa%e5%8b%95%e5%8c%96%e6%af%94%e5%b0%8d%e6%b5%81%e7%a8%8b-McvHDHOhDI\">4. \u81ea\u52d5\u5316\u6bd4\u5c0d\u6d41\u7a0b<\/h3>\n<p>\u5229\u7528\u81ea\u52d5\u5316\u5de5\u5177\u548c\u8173\u672c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6bd4\u5c0d\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002\u901a\u904e\u8a2d\u7f6e\u5b9a\u671f\u7684\u6578\u64da\u6bd4\u5c0d\u4efb\u52d9\uff0c\u4f01\u696d\u53ef\u4ee5\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u4fee\u6b63\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-McvHDHOhDI\">\u7d50\u8ad6<\/h2>\n<p>\u884c\u7684\u6578\u64da\u5eab\u6bd4\u5c0d\u6280\u5de7\u5c0d\u65bc\u63d0\u9ad8\u6578\u64da\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6578\u64da\u6e05\u7406\u3001\u6a19\u6e96\u5316\u3001\u4f7f\u7528\u76f8\u4f3c\u5ea6\u7b97\u6cd5\u4ee5\u53ca\u81ea\u52d5\u5316\u6bd4\u5c0d\u6d41\u7a0b\uff0c\u4f01\u696d\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u5176\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u63d0\u5347\u696d\u52d9\u904b\u71df\u7684\u6548\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u6bd4\u5c0d\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u884c\u7684\u6578\u64da\u5eab\u6bd4\u5c0d\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u6e96\u78ba\u6027\uff0c\u78ba\u4fdd\u4fe1\u606f\u4e00\u81f4\u6027\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-192734","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=192734"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192734\/revisions"}],"predecessor-version":[{"id":192735,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192734\/revisions\/192735"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=192734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=192734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=192734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}