{"id":45556,"date":"2023-12-11T15:06:10","date_gmt":"2023-12-11T07:06:10","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=45556"},"modified":"2023-12-11T15:06:10","modified_gmt":"2023-12-11T07:06:10","slug":"word2vec%e4%b8%adskip-gram%e6%98%af%e4%bb%80%e4%b9%88negative-sampling%e6%80%8e%e4%b9%88%e5%81%9a","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/word2vec%e4%b8%adskip-gram%e6%98%af%e4%bb%80%e4%b9%88negative-sampling%e6%80%8e%e4%b9%88%e5%81%9a\/","title":{"rendered":"Word2Vec\u4e2dskip-gram\u662f\u4ec0\u4e48,Negative Sampling\u600e\u4e48\u505a"},"content":{"rendered":"<p>&#8220;`&#8221;                    \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n<p>Word2Vec\u901a\u8fc7\u5b66\u4e60\u6587\u672c\u7136\u540e\u7528\u8bcd\u5411\u91cf\u7684\u65b9\u5f0f\u8868\u5f81\u8bcd\u7684\u8bed\u4e49\u4fe1\u606f,\u7136\u540e\u4f7f\u5f97\u8bed\u4e49\u76f8\u4f3c\u7684\u5355\u8bcd\u5728\u5d4c\u5165\u5f0f\u7a7a\u95f4\u4e2d\u7684\u8ddd\u79bb\u5f88\u8fd1\u3002\u800c\u5728Word2Vec\u6a21\u578b\u4e2d\u6709Skip-Gram\u548cCBOW\u4e24\u79cd\u6a21\u5f0f,Skip-Gram\u662f\u7ed9\u5b9a\u8f93\u5165\u5355\u8bcd\u6765\u9884\u6d4b\u4e0a\u4e0b\u6587,\u800cCBOW\u4e0e\u4e4b\u76f8\u53cd,\u662f\u7ed9\u5b9a\u4e0a\u4e0b\u6587\u6765\u9884\u6d4b\u8f93\u5165\u5355\u8bcd\u3002Negative Sampling\u662f\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u8bcd,\u5e76\u751f\u6210\u5176\u8d1f\u91c7\u6837\u8bcd\u96c6\u5408\u7684\u4e00\u79cd\u7b56\u7565,\u5df2\u77e5\u6709\u4e00\u4e2a\u8bcd,\u8fd9\u4e2a\u8bcd\u53ef\u4ee5\u770b\u505a\u4e00\u4e2a\u6b63\u4f8b,\u800c\u5b83\u7684\u4e0a\u4e0b\u6587\u8bcd\u96c6\u53ef\u4ee5\u770b\u505a\u662f\u8d1f\u4f8b,\u4f46\u662f\u8d1f\u4f8b\u7684\u6837\u672c\u592a\u591a,\u800c\u5728\u8bed\u6599\u5e93\u4e2d,\u5404\u4e2a\u8bcd\u51fa\u73b0\u7684\u9891\u7387\u662f\u4e0d\u4e00\u6837\u7684,\u6240\u4ee5\u5728\u91c7\u6837\u65f6\u53ef\u4ee5\u8981\u6c42\u9ad8\u9891\u8bcd\u9009\u4e2d\u7684\u6982\u7387\u8f83\u5927,\u4f4e\u9891\u8bcd\u9009\u4e2d\u7684\u6982\u7387\u8f83\u5c0f,\u8fd9\u6837\u5c31\u8f6c\u5316\u4e3a\u4e00\u4e2a\u5e26\u6743\u91c7\u6837\u95ee\u9898,\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u6a21\u578b\u7684\u6027\u80fd\u3002<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; \u53c2\u8003\u56de\u7b54\uff1a Word2Vec\u901a\u8fc7\u5b66\u4e60\u6587\u672c\u7136\u540e\u7528\u8bcd\u5411\u91cf\u7684\u65b9\u5f0f\u8868\u5f81\u8bcd\u7684\u8bed\u4e49\u4fe1\u606f,\u7136 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45556","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45556"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45556\/revisions"}],"predecessor-version":[{"id":45557,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45556\/revisions\/45557"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45556"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}