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\u56f0\u5883<\/h1>\n

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\u5904\u7406\u65b9\u6cd5 f\u01ce)<\/h1>\n

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\u53ea\u662f\u8bd5\u7740\u5728Amazon ES\u4e0a\u5b9a\u4e49\u4e86\u5b57\u6bb5\u7c7b\u578b\u4e3a\u201cknn_vector\u201d\u7684\u5b57\u6bb5\uff0c\u5e76\u6210\u529f\u5730\u5c06\u5b58\u50a8\u5728\u201cdense_vector\u201d\u4e2d\u7684\u5411\u91cf\u6570\u636e\u5bfc\u5165\uff0c\u6ca1\u6709\u51fa\u73b0\u4efb\u4f55\u9519\u8bef\u3002<\/p>\n

\u641c\u7d22\u67e5\u8be2\u7684\u5dee\u5f02 de<\/h1>\n

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\uff11\uff0eElasticsearch\u4e2d\u7684\u300cdense_vector\u300d<\/h2>\n
\"query\": {\r\n    \"script_score\": {\r\n        \"query\": {\"match_all\": {}},\r\n        \"script\": {\r\n            \"source\": \"cosineSimilarity(params.query_vector, doc['text_vector']) + 1.0\",\r\n            \"params\": {\"query_vector\": target_vector}\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
\uff12\uff0e\u4e9a\u9a6c\u900aES\u7684\u201cknn_vector\u201d<\/h2>\n
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\n\u8fd9\u6b21\u6211\u4eec\u4ee5”\u80fd\u83b7\u5f97\u7c7b\u4f3c\u7684\u7ed3\u679c”\u4f5c\u4e3a\u9a8c\u8bc1\u7684\u7ed3\u675f\u3002
\n\u5c06\u6765\u6211\u6253\u7b97\u8c03\u67e5\u5173\u4e8e\u641c\u7d22\u7ed3\u679c\u7684\u5dee\u5f02\u3002<\/p>\n
\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7f51\u7ad9<\/h1>\n
\u4e9a\u9a6c\u900a Elasticsearch \u670d\u52a1> \u5f00\u53d1\u8005\u6307\u5357> KNN
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