{"id":231000,"date":"2024-05-11T22:07:15","date_gmt":"2024-05-11T14:07:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/231000.html"},"modified":"2024-05-11T22:07:23","modified_gmt":"2024-05-11T14:07:23","slug":"word2vec%e6%80%8e%e4%b9%88%e5%be%97%e5%88%b0%e8%af%8d%e7%bb%84%e7%9a%84%e5%90%91%e9%87%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/231000.html","title":{"rendered":"Word2Vec\u600e\u4e48\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf"},"content":{"rendered":"

\"Word2Vec\u600e\u4e48\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf\"<\/p>\n

Word2Vec\u901a\u8fc7\u8bad\u7ec3\u8bed\u6599\u5e93\u4e2d\u7684\u5355\u8bcd\u4e0a\u4e0b\u6587\u4fe1\u606f\u5f97\u5230\u8bcd\u5411\u91cf\uff0c\u8bcd\u7ec4\uff08\u77ed\u8bed\u6216\u591a\u4e2a\u5355\u8bcd\u7684\u7ec4\u5408\uff09\u5411\u91cf\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u65b9\u5f0f\u83b7\u5f97\uff1a\u76f4\u63a5\u8bad\u7ec3\u8bcd\u7ec4\u5411\u91cf<\/strong>\u3001\u5408\u5e76\u5355\u8bcd\u5411\u91cf<\/strong>\u3001\u4f7f\u7528\u77ed\u8bed\u68c0\u6d4b\u5e76\u5bf9\u68c0\u6d4b\u5230\u7684\u77ed\u8bed\u8bad\u7ec3\u6a21\u578b<\/strong>\u3002\u901a\u5e38\uff0c\u4f7f\u7528\u77ed\u8bed\u68c0\u6d4b<\/strong>\u7136\u540e\u5bf9\u77ed\u8bed\u8fdb\u884c\u8bad\u7ec3\u662f\u4e00\u79cd\u5e38\u7528\u65b9\u6cd5\uff0c\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u6a21\u578b\u6355\u6349\u5230\u77ed\u8bed\u4e2d\u7684\u8bed\u4e49\u5173\u7cfb\uff0c\u6bd4\u5982\u201cNew York\u201d\u8fd9\u4e2a\u8bcd\u7ec4\u6bd4\u5355\u72ec\u7684\u201cNew\u201d\u548c\u201cYork\u201d\u80fd\u63d0\u4f9b\u66f4\u5177\u4f53\u7684\u4fe1\u606f\u3002\u5bf9\u4e8e\u8bad\u7ec3\u5f97\u5230\u7684\u8bcd\u5411\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u6570\u5b66\u8fd0\u7b97\uff0c\u5982\u5411\u91cf\u7684\u5e73\u5747\u6216\u52a0\u6743\u5e73\u5747\u6765\u7ec4\u5408\u5355\u8bcd\u5411\u91cf\uff0c\u4ee5\u83b7\u5f97\u8f83\u4e3a\u7c97\u7565\u7684\u8bcd\u7ec4\u5411\u91cf\u3002<\/p>\n<\/p>\n

\u4e00\u3001WORD2VEC\u57fa\u7840\u4e0e\u539f\u7406<\/h3>\n<\/p>\n

Word2Vec\u662f\u4e00\u79cd\u7528\u4e8e\u628a\u6587\u672c\u4e2d\u7684\u8bcd\u8868\u5f81\u4e3a\u5b9e\u6570\u503c\u5411\u91cf\u7684\u6a21\u578b\u3002\u5b83\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u7684\u6280\u672f\u4f7f\u5f97\u80fd\u591f\u6355\u83b7\u5230\u590d\u6742\u7684\u8bcd\u6c47\u5173\u7cfb\uff0c\u5e76\u5c06\u8fd9\u4e9b\u5173\u7cfb\u6620\u5c04\u5230\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\u3002<\/p>\n<\/p>\n

\u8bcd\u5d4c\u5165\u7406\u8bba<\/h4>\n<\/p>\n

\u8bcd\u5d4c\u5165\uff08Word Embedding\uff09\u662fNLP\u9886\u57df\u4e2d\u4e00\u79cd\u5c06\u8bcd\u6c47\u6620\u5c04\u5230\u5411\u91cf\u7a7a\u95f4\u4e2d\u7684\u6280\u672f\u3002\u5b83\u80fd\u591f\u6355\u83b7\u5355\u8bcd\u95f4\u7684\u8bed\u4e49\u548c\u8bed\u6cd5\u5173\u7cfb\uff0c\u4f7f\u5f97\u5728\u5904\u7406\u8bed\u8a00\u6570\u636e\u65f6\u80fd\u9ad8\u6548\u5730\u5229\u7528\u8fd9\u4e9b\u5173\u7cfb\u3002<\/p>\n<\/p>\n

Word2Vec\u6a21\u578b\u7ed3\u6784<\/h4>\n<\/p>\n

Word2Vec\u6709\u4e24\u79cd\u67b6\u6784\uff0c\u5206\u522b\u662fCBOW\uff08Continuous Bag-of-Words\uff09\u548cSkip-Gram\u3002CBOW\u662f\u901a\u8fc7\u4e0a\u4e0b\u6587\u6765\u9884\u6d4b\u5f53\u524d\u8bcd\u6c47\uff0c\u800cSkip-Gram\u6b63\u597d\u76f8\u53cd\uff0c\u5b83\u662f\u7528\u5f53\u524d\u8bcd\u6765\u9884\u6d4b\u4e0a\u4e0b\u6587\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u76f4\u63a5\u8bad\u7ec3\u8bcd\u7ec4\u5411\u91cf<\/h3>\n<\/p>\n

\u76f4\u63a5\u8bad\u7ec3\u8bcd\u7ec4<\/strong>\u662f\u5728Word2Vec\u8bad\u7ec3\u524d\u786e\u5b9a\u8bcd\u7ec4\uff0c\u5e76\u4f5c\u4e3a\u5355\u72ec\u7684\u8bcd\u6c47\u5904\u7406\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u6d89\u53ca\u5230\u5bf9\u8bed\u6599\u5e93\u8fdb\u884c\u9884\u5904\u7406\uff0c\u65e8\u5728\u68c0\u6d4b\u548c\u5408\u5e76\u5e38\u89c1\u7684\u591a\u8bcd\u7ec4\u5408\u3002<\/p>\n<\/p>\n

\u77ed\u8bed\u68c0\u6d4b<\/h4>\n<\/p>\n

\u77ed\u8bed\u68c0\u6d4b\u7b97\u6cd5\u5982Pointwise Mutual Information (PMI) \u7528\u4e8e\u5b9a\u91cf\u8bc4\u4ef7\u4e24\u4e2a\u8bcd\u6c47\u4e00\u8d77\u51fa\u73b0\u7684\u6982\u7387\u76f8\u5bf9\u4e8e\u5404\u81ea\u72ec\u7acb\u51fa\u73b0\u7684\u6982\u7387\u3002PMI\u8f83\u9ad8\u7684\u8bcd\u5bf9\u53ef\u4ee5\u8ba4\u4e3a\u6709\u8f83\u5f3a\u7684\u5173\u8054\u6027\uff0c\u56e0\u6b64\u53ef\u4ee5\u628a\u5b83\u4eec\u89c6\u4e3a\u4e00\u4e2a\u8bcd\u7ec4\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u5b66\u4e60\u3002<\/p>\n<\/p>\n

\u8bed\u6599\u5e93\u9884\u5904\u7406<\/h4>\n<\/p>\n

\u5728\u8fd0\u884cWord2Vec\u6a21\u578b\u4e4b\u524d\uff0c\u5148\u7528\u77ed\u8bed\u68c0\u6d4b\u7b97\u6cd5\u904d\u5386\u6574\u4e2a\u8bed\u6599\u5e93\u3002\u8bc6\u522b\u51fa\u9ad8\u5ea6\u76f8\u5173\u7684\u8bcd\u7ec4\uff0c\u5e76\u5c06\u5b83\u4eec\u7ec4\u5408\u4e3a\u77ed\u8bed\uff08\u5982\u7528\u4e0b\u5212\u7ebf\u8fde\u63a5\uff09\uff0c\u8fd9\u6837\u6a21\u578b\u5728\u5b66\u4e60\u7684\u65f6\u5019\u5c31\u4f1a\u628a\u8fd9\u4e9b\u77ed\u8bed\u89c6\u4f5c\u5355\u4e00\u7684\u8bcd\u6765\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5408\u5e76\u5355\u8bcd\u5411\u91cf<\/h3>\n<\/p>\n

\u53e6\u4e00\u4e2a\u5f97\u5230\u8bcd\u7ec4\u5411\u91cf\u7684\u65b9\u6cd5\u662f\u5408\u5e76\u5df2\u8bad\u7ec3\u7684\u5355\u8bcd\u5411\u91cf<\/strong>\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u52a0\u6743\u5e73\u5747\u7684\u65b9\u5f0f\u5b9e\u73b0\uff0c\u6743\u91cd\u53ef\u4ee5\u57fa\u4e8e\u5355\u8bcd\u7684\u9891\u7387\u6216\u5176\u4ed6\u6307\u6807\u3002<\/p>\n<\/p>\n

\u5411\u91cf\u5e73\u5747<\/h4>\n<\/p>\n

\u53d6\u8bcd\u7ec4\u4e2d\u6240\u6709\u8bcd\u7684\u8bcd\u5411\u91cf\u8fdb\u884c\u5e73\u5747\uff0c\u5f97\u5230\u4e00\u4e2a\u80fd\u591f\u5927\u81f4\u4ee3\u8868\u8bcd\u7ec4\u610f\u4e49\u7684\u5411\u91cf\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u5feb\u901f\uff0c\u4f46\u5ffd\u7565\u4e86\u8bcd\u5e8f\u548c\u8bed\u6cd5\u7ed3\u6784\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n

\u52a0\u6743\u5e73\u5747<\/h4>\n<\/p>\n

\u4e00\u79cd\u6539\u8fdb\u7684\u5e73\u5747\u65b9\u5f0f\u662f\u52a0\u6743\u5e73\u5747\uff0c\u53ef\u4ee5\u6839\u636e\u5355\u8bcd\u7684\u91cd\u8981\u6027\u7ed9\u4e88\u4e0d\u540c\u7684\u6743\u91cd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u636eTF-IDF\uff08\u8bcd\u9891-\u9006\u6587\u6863\u9891\u7387\uff09\u5206\u6570\u4e3a\u6bcf\u4e2a\u5355\u8bcd\u5411\u91cf\u8d4b\u6743\u91cd\uff0c\u7136\u540e\u518d\u8fdb\u884c\u52a0\u6743\u5e73\u5747\u8ba1\u7b97\u8bcd\u7ec4\u5411\u91cf\u3002<\/p>\n<\/p>\n

\u56db\u3001\u4f7f\u7528\u77ed\u8bed\u68c0\u6d4b\u4e0e\u8bad\u7ec3<\/h3>\n<\/p>\n

\u7ed3\u5408\u524d\u9762\u63d0\u5230\u7684\u77ed\u8bed\u68c0\u6d4b<\/strong>\u548cWord2Vec\u7684\u8bad\u7ec3\uff0c\u53ef\u4ee5\u4e3a\u7279\u5b9a\u8bcd\u7ec4\u76f4\u63a5\u751f\u6210\u5411\u91cf\u3002<\/p>\n<\/p>\n

\u7efc\u5408\u77ed\u8bed\u68c0\u6d4b\u4e0e\u6a21\u578b\u8bad\u7ec3<\/h4>\n<\/p>\n

\u5728Word2Vec\u6a21\u578b\u8bad\u7ec3\u524d\u5e94\u7528\u77ed\u8bed\u68c0\u6d4b\u7b97\u6cd5\uff0c\u7136\u540e\u8fd9\u4e9b\u68c0\u6d4b\u5230\u7684\u8bcd\u7ec4\u5c06\u4f5c\u4e3a\u5355\u4e2a\u6761\u76ee\u8fdb\u884c\u8bad\u7ec3\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6a21\u578b\u4e0d\u4ec5\u5b66\u4e60\u5355\u4e2a\u8bcd\u7684\u8868\u793a\uff0c\u800c\u4e14\u5b66\u4e60\u8bcd\u7ec4\u4f5c\u4e3a\u6574\u4f53\u7684\u8868\u793a\u3002<\/p>\n<\/p>\n

\u8c03\u6574\u9608\u503c\u4e0e\u5fae\u8c03<\/h4>\n<\/p>\n

\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8bcd\u7ec4\u68c0\u6d4b\u7684\u9608\u503c\u6765\u4f18\u5316\u8bcd\u7ec4\u7684\u9009\u62e9\u3002\u8fd9\u6d89\u53ca\u5230\u5b9e\u9a8c\uff0c\u4ee5\u4fbf\u627e\u5230\u751f\u6210\u9ad8\u8d28\u91cf\u8bcd\u7ec4\u5411\u91cf\u7684\u6700\u4f73\u8bbe\u7f6e\u3002\u5fae\u8c03\u6a21\u578b\u53c2\u6570\u540c\u6837\u91cd\u8981\uff0c\u8fd9\u5305\u62ec\u8bbe\u7f6e\u9002\u5f53\u7684\u4e0a\u4e0b\u6587\u7a97\u53e3\u5927\u5c0f\u3001\u9009\u53d6\u6700\u5408\u9002\u7684\u5b66\u4e60\u7387\u548c\u8fed\u4ee3\u6b21\u6570\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u5b9e\u8df5\u6848\u4f8b\u4e0e\u4f18\u5316\u6280\u5de7<\/h3>\n<\/p>\n

\u5b9e\u9645\u5e94\u7528Word2Vec\u83b7\u53d6\u8bcd\u7ec4\u5411\u91cf\u65f6\uff0c\u5f80\u5f80\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u53ef\u7528\u8d44\u6e90\u505a\u51fa\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n<\/p>\n

\u884c\u4e1a\u7279\u5b9a\u4f18\u5316<\/h4>\n<\/p>\n

\u5728\u7279\u5b9a\u9886\u57df\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u884c\u4e1a\u672f\u8bed\u8c03\u6574\u77ed\u8bed\u68c0\u6d4b\u7684\u7b97\u6cd5\uff0c\u786e\u4fdd\u6a21\u578b\u80fd\u591f\u5b66\u5230\u884c\u4e1a\u5185\u7279\u5b9a\u7684\u8bcd\u7ec4\u3002<\/p>\n<\/p>\n

\u7ed3\u5408\u5176\u4ed6\u6a21\u578b<\/h4>\n<\/p>\n

Word2Vec\u63d0\u53d6\u7684\u8bcd\u7ec4\u5411\u91cf\u53ef\u4ee5\u4e0e\u5176\u4ed6\u6a21\u578b\u7ed3\u5408\u4f7f\u7528\uff0c\u5982\u7ed3\u5408LSTM\u7b49\u5e8f\u5217\u6a21\u578b\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6355\u6349\u8bcd\u5e8f\u548c\u957f\u8ddd\u79bb\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7Word2Vec\u5f97\u5230\u8bcd\u7ec4\u5411\u91cf\uff0c\u5141\u8bb8\u673a\u5668\u5b66\u4e60<\/a>\u6a21\u578b\u7406\u89e3\u548c\u5904\u7406\u66f4\u591a\u590d\u6742\u3001\u542b\u6709\u7ec6\u5fae\u4e0a\u4e0b\u6587\u7684\u81ea\u7136\u8bed\u8a00\u6570\u636e\u3002\u5728\u8fdb\u884c\u8bcd\u5411\u91cf\u8bad\u7ec3\u65f6\uff0c\u4e0d\u65ad\u8fed\u4ee3\u548c\u4f18\u5316\u6a21\u578b\u53c2\u6570\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u8fd9\u76f4\u63a5\u5173\u7cfb\u5230\u8bcd\u7ec4\u5411\u91cf\u8d28\u91cf\u548c\u6a21\u578b\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u5982\u4f55\u4f7f\u7528Word2Vec\u6a21\u578b\u83b7\u53d6\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\uff1f<\/strong><\/p>\n

Word2Vec\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8bcd\u5d4c\u5165\u6a21\u578b\uff0c\u5b83\u53ef\u4ee5\u5c06\u8bcd\u8bed\u6620\u5c04\u4e3a\u5411\u91cf\u8868\u793a\u3002\u800c\u5bf9\u4e8e\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u83b7\u53d6\u5b83\uff1a<\/p>\n

1\uff09\u9996\u5148\uff0c\u51c6\u5907\u597d\u4e00\u4e2a\u8db3\u591f\u5927\u7684\u8bed\u6599\u5e93\uff0c\u5176\u4e2d\u5305\u542b\u4f60\u611f\u5174\u8da3\u7684\u8bcd\u7ec4\u3002<\/p>\n

2\uff09\u5176\u6b21\uff0c\u5229\u7528\u8fd9\u4e2a\u8bed\u6599\u5e93\u8bad\u7ec3\u4e00\u4e2aWord2Vec\u6a21\u578b\u3002\u8fd9\u4e2a\u6a21\u578b\u53ef\u4ee5\u901a\u8fc7\u5b66\u4e60\u4e0a\u4e0b\u6587\u4fe1\u606f\u6765\u751f\u6210\u8bcd\u5411\u91cf\u3002\u4f60\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5df2\u6709\u7684Word2Vec\u6a21\u578b\uff0c\u6216\u8005\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8bad\u7ec3\u4e00\u4e2a\u65b0\u6a21\u578b\u3002<\/p>\n

3\uff09\u7136\u540e\uff0c\u5229\u7528\u8bad\u7ec3\u597d\u7684Word2Vec\u6a21\u578b\u6765\u83b7\u53d6\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u3002\u5177\u4f53\u64cd\u4f5c\u662f\u5c06\u8bcd\u7ec4\u62c6\u5206\u4e3a\u5355\u4e2a\u8bcd\u8bed\uff0c\u5e76\u5c06\u6bcf\u4e2a\u8bcd\u8bed\u7684\u5411\u91cf\u76f8\u52a0\u6216\u5e73\u5747\u6765\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf\u3002<\/p>\n

2. Word2Vec\u5982\u4f55\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n

Word2Vec\u662f\u4e00\u79cd\u57fa\u4e8e\u795e\u7ecf\u7f51\u7edc\u7684\u8bcd\u5d4c\u5165\u6a21\u578b\uff0c\u5b83\u53ef\u4ee5\u5c06\u5355\u8bcd\u6620\u5c04\u4e3a\u5411\u91cf\u8868\u793a\u3002\u5bf9\u4e8e\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u83b7\u53d6\uff1a<\/p>\n

1\uff09\u9996\u5148\uff0c\u51c6\u5907\u4e00\u4e2a\u8db3\u591f\u5927\u7684\u6587\u672c\u8bed\u6599\u5e93\u3002<\/p>\n

2\uff09\u5176\u6b21\uff0c\u4f7f\u7528Word2Vec\u6a21\u578b\u5bf9\u8bed\u6599\u5e93\u8fdb\u884c\u8bad\u7ec3\u3002\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u6a21\u578b\u4f1a\u5b66\u4e60\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ece\u800c\u4e3a\u6bcf\u4e2a\u8bcd\u7ec4\u751f\u6210\u5bf9\u5e94\u7684\u5411\u91cf\u8868\u793a\u3002<\/p>\n

3\uff09\u7136\u540e\uff0c\u901a\u8fc7\u5c06\u8bcd\u7ec4\u62c6\u5206\u4e3a\u5355\u4e2a\u8bcd\u8bed\uff0c\u5e76\u5c06\u6bcf\u4e2a\u8bcd\u8bed\u7684\u5411\u91cf\u76f8\u52a0\u6216\u5e73\u5747\uff0c\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u3002<\/p>\n

Word2Vec\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\u3002\u4f8b\u5982\uff0c\u5728\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4efb\u52a1\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u6765\u8fdb\u884c\u6587\u672c\u5206\u7c7b\u3001\u5b9e\u4f53\u8bc6\u522b\u3001\u60c5\u611f\u5206\u6790\u7b49\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u5c06\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u7528\u4e8e\u63a8\u8350\u7cfb\u7edf\u3001\u673a\u5668\u7ffb\u8bd1\u3001\u4fe1\u606f\u68c0\u7d22\u7b49\u9886\u57df\u3002<\/p>\n

3. \u4f7f\u7528Word2Vec\u5728Python\u4e2d\u5982\u4f55\u5f97\u5230\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\uff1f<\/strong><\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528gensim\u5e93\u6765\u5b9e\u73b0Word2Vec\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u5e94\u7528\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n

from gensim.models import Word2Vec\n\n# \u51c6\u5907\u4e00\u4e2a\u6837\u672c\u8bed\u6599\u5e93\nsentences = [["I", "love", "natural", "language", "processing"],\n             ["Word2Vec", "is", "a", "popular", "embedding", "model"]]\n\n# \u8bad\u7ec3Word2Vec\u6a21\u578b\nmodel = Word2Vec(sentences, min_count=1)\n\n# \u83b7\u53d6\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\nphrase_vector = model.wv["natural_language_processing"]\n\nprint(phrase_vector)\n<\/code><\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6837\u672c\u8bed\u6599\u5e93\uff0c\u7136\u540e\u4f7f\u7528Word2Vec\u6a21\u578b\u5bf9\u5176\u8fdb\u884c\u8bad\u7ec3\u3002\u6700\u540e\uff0c\u901a\u8fc7model.wv["phrase"]<\/code>\u8bed\u53e5\u53ef\u4ee5\u83b7\u53d6\u8bcd\u7ec4\u7684\u5411\u91cf\u8868\u793a\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\u6a21\u578b\u7684\u53c2\u6570\uff0c\u5982min_count<\/code>\u8868\u793a\u8bcd\u8bed\u7684\u6700\u5c0f\u9891\u7387\uff0c\u53ef\u4ee5\u63a7\u5236\u8bcd\u8bed\u662f\u5426\u88ab\u8003\u8651\u5728\u8bad\u7ec3\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Word2Vec\u901a\u8fc7\u8bad\u7ec3\u8bed\u6599\u5e93\u4e2d\u7684\u5355\u8bcd\u4e0a\u4e0b\u6587\u4fe1\u606f\u5f97\u5230\u8bcd\u5411\u91cf\uff0c\u8bcd\u7ec4\uff08\u77ed\u8bed\u6216\u591a\u4e2a\u5355\u8bcd\u7684\u7ec4\u5408\uff09\u5411\u91cf\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u65b9\u5f0f\u83b7 […]","protected":false},"author":3,"featured_media":231008,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/231000"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=231000"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/231000\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/231008"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=231000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=231000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=231000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}