{"id":794,"date":"2026-06-09T02:45:14","date_gmt":"2026-06-08T18:45:14","guid":{"rendered":"https:\/\/ab123.xyz\/?p=794"},"modified":"2026-06-09T02:45:14","modified_gmt":"2026-06-08T18:45:14","slug":"bertopic-%e6%96%b0%e9%97%bb%e6%96%87%e6%9c%ac%e4%b8%bb%e9%a2%98%e5%bb%ba%e6%a8%a1%e4%b8%8e%e8%81%9a%e7%b1%bb%e5%88%86%e6%9e%90%ef%bc%9a%e6%99%ba%e8%83%bd%e5%b7%a5%e5%85%b7%e5%85%a8%e9%9d%a2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=794","title":{"rendered":"BERTopic \u65b0\u95fb\u6587\u672c\u4e3b\u9898\u5efa\u6a21\u4e0e\u805a\u7c7b\u5206\u6790\uff1a\u667a\u80fd\u5de5\u5177\u5168\u9762\u89e3\u6790"},"content":{"rendered":"<p>\u5728\u81ea\u7136\u8bed\u8a00\u5904\u7406\u9886\u57df\uff0c\u4e3b\u9898\u5efa\u6a21\u662f\u6316\u6398\u6d77\u91cf\u65b0\u95fb\u6587\u672c\u6838\u5fc3\u8bae\u9898\u7684\u5173\u952e\u6280\u672f\u3002BERTopic \u4f5c\u4e3a\u4e00\u6b3e\u57fa\u4e8e Transformer \u4e0e HDBSCAN \u805a\u7c7b\u7684\u5148\u8fdb\u4e3b\u9898\u5efa\u6a21\u5de5\u5177\uff0c\u6b63\u6210\u4e3a\u65b0\u95fb\u7f16\u8f91\u4e0e\u5206\u6790\u9886\u57df\u7684\u9996\u9009\u89e3\u51b3\u65b9\u6848\u3002\u5176\u5b98\u65b9\u7f51\u5740\u4e3a <a href=\"https:\/\/maartengr.github.io\/BERTopic\/\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a>\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u5f00\u7bb1\u5373\u7528\u7684\u4e3b\u9898\u62bd\u53d6\u4e0e\u53ef\u89c6\u5316\u529f\u80fd\u3002<\/p>\n<h2>\u5de5\u5177\u6838\u5fc3\u529f\u80fd<\/h2>\n<p>BERTopic \u901a\u8fc7\u5c06\u53e5\u5b50\u7ea7\u5d4c\u5165\uff08\u5982 Sentence-BERT\uff09\u4e0e\u805a\u7c7b\u7b97\u6cd5\u7ed3\u5408\uff0c\u81ea\u52a8\u8bc6\u522b\u65b0\u95fb\u8bed\u6599\u4e2d\u7684\u6f5c\u5728\u4e3b\u9898\u3002\u5176\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e3b\u9898\u81ea\u52a8\u53d1\u73b0\uff1a\u65e0\u9700\u9884\u8bbe\u4e3b\u9898\u6570\uff0c\u57fa\u4e8e\u6570\u636e\u9a71\u52a8\u751f\u6210\u4e3b\u9898\u7c07\u3002<\/li>\n<li>\u5206\u5c42\u4e3b\u9898\u8868\u793a\uff1a\u5229\u7528\u7c7b TF-IDF \u673a\u5236\u751f\u6210\u6bcf\u4e2a\u4e3b\u9898\u7684\u5173\u952e\u8bcd\u5411\u91cf\u3002<\/li>\n<li>\u52a8\u6001\u4e3b\u9898\u6f14\u5316\uff1a\u652f\u6301\u65f6\u95f4\u5e8f\u5217\u5206\u6790\uff0c\u8ffd\u8e2a\u65b0\u95fb\u4e3b\u9898\u968f\u4e8b\u4ef6\u53d1\u5c55\u7684\u53d8\u5316\u8d8b\u52bf\u3002<\/li>\n<li>\u4ea4\u4e92\u5f0f\u53ef\u89c6\u5316\uff1a\u5185\u7f6e\u4e3b\u9898\u964d\u7ef4\u4e0e\u6563\u70b9\u56fe\uff0c\u4fbf\u4e8e\u7f16\u8f91\u4eba\u5458\u5feb\u901f\u89e3\u8bfb\u3002<\/li>\n<\/ul>\n<h2>\u6280\u672f\u4f18\u52bf\u4e0e\u521b\u65b0\u70b9<\/h2>\n<h3>\u6df1\u5ea6\u8bed\u4e49\u7406\u89e3<\/h3>\n<p>\u4f20\u7edf LDA \u6a21\u578b\u4f9d\u8d56\u8bcd\u888b\u7edf\u8ba1\uff0c\u800c BERTopic 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\u63a5\u53e3\uff0c\u65b0\u95fb\u673a\u6784\u6280\u672f\u4eba\u5458\u53ef\u5728\u6570\u5c0f\u65f6\u5185\u642d\u5efa\u8d77\u5b9e\u65f6\u4e3b\u9898\u76d1\u63a7\u7cfb\u7edf\u3002<\/p>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<ul>\n<li>\u7a81\u53d1\u70ed\u70b9\u8ffd\u8e2a\uff1a\u5728\u707e\u5bb3\u3001\u9009\u4e3e\u7b49\u91cd\u5927\u4e8b\u4ef6\u4e2d\uff0c\u5feb\u901f\u4ece\u6570\u767e\u4e07\u6761\u65b0\u95fb\u4e2d\u63d0\u53d6\u6838\u5fc3\u8bae\u9898\u5e76\u6392\u5e8f\u3002<\/li>\n<li>\u4e13\u9898\u62a5\u9053\u7b56\u5212\uff1a\u901a\u8fc7\u805a\u7c7b\u7ed3\u679c\u53d1\u73b0\u9690\u85cf\u7684\u5173\u8054\u8bae\u9898\uff0c\u8f85\u52a9\u7f16\u8f91\u786e\u5b9a\u6df1\u5ea6\u62a5\u9053\u65b9\u5411\u3002<\/li>\n<li>\u8206\u60c5\u76d1\u63a7\uff1a\u5bf9\u65b0\u95fb\u62a5\u9053\u4e0e\u7f51\u6c11\u8bc4\u8bba\u8fdb\u884c\u53cc\u91cd\u4e3b\u9898\u5206\u6790\uff0c\u8bc6\u522b\u516c\u4f17\u60c5\u7eea\u5bfc\u5411\u3002<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u4f7f\u7528 BERTopic<\/h2>\n<p>\u57fa\u672c\u6d41\u7a0b\u5206\u4e3a\u56db\u6b65\uff1a\u9996\u5148\u5b89\u88c5 BERTopic \u5e93\uff08<code>pip install bertopic<\/code>\uff09\uff0c\u7136\u540e\u52a0\u8f7d\u65b0\u95fb\u6587\u672c\u5217\u8868\uff1b\u63a5\u7740\u8c03\u7528 <code>model.fit_transform(documents)<\/code> \u5b8c\u6210\u6a21\u578b\u8bad\u7ec3\uff1b\u6700\u540e\u4f7f\u7528 <code>model.get_topic_info()<\/code> \u83b7\u53d6\u4e3b\u9898\u6458\u8981\uff0c\u6216\u4f7f\u7528 <code>model.visualize_topics()<\/code> \u751f\u6210\u53ef\u89c6\u5316\u56fe\u8868\u3002\u8fdb\u9636\u6280\u5de7\u5305\u62ec\u8c03\u6574 min_topic_size \u53c2\u6570\u63a7\u5236\u7c92\u5ea6\uff0c\u4ee5\u53ca\u5229\u7528\u57fa\u4e8e c-TF-IDF \u7684\u4e3b\u9898\u6807\u7b7e\u91cd\u547d\u540d\u529f\u80fd\u63d0\u5347\u53ef\u8bfb\u6027\u3002<\/p>\n<p>\u5bf9\u4e8e\u65b0\u95fb\u7f16\u8f91\u5ba4\u800c\u8a00\uff0cBERTopic \u5df2\u4ece\u5b9e\u9a8c\u6027\u5de5\u5177\u6f14\u53d8\u4e3a\u751f\u4ea7\u7ea7\u89e3\u51b3\u65b9\u6848\u3002\u7ed3\u5408\u5b98\u65b9\u793e\u533a\u6301\u7eed\u66f4\u65b0\u7684\u6587\u6863\u4e0e\u6848\u4f8b\u5e93\uff0c\u4efb\u4f55\u5177\u5907\u57fa\u7840 Python \u80fd\u529b\u7684\u7f16\u8f91\u90fd\u80fd\u5feb\u901f\u4e0a\u624b\uff0c\u5b9e\u73b0\u4ece\u201c\u624b\u52a8\u5f52\u7c7b\u201d\u5230\u201c\u667a\u80fd\u6d1e\u5bdf\u201d\u7684\u8dc3\u8fc1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u81ea\u7136\u8bed\u8a00\u5904\u7406\u9886\u57df\uff0c\u4e3b\u9898\u5efa\u6a21\u662f\u6316\u6398\u6d77\u91cf\u65b0\u95fb\u6587\u672c\u6838\u5fc3\u8bae\u9898\u7684\u5173\u952e\u6280\u672f\u3002BERTopic \u4f5c\u4e3a\u4e00\u6b3e\u57fa\u4e8e Transf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[1428,1429,892,1433,644],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-4","tag-bertopic","tag-1429","tag-892","tag-1433","tag-644"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=794"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions"}],"predecessor-version":[{"id":795,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions\/795"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}