2019年11月6日
搜索排序的评价指标NDCG
摘要： refer: https://www.cnblogs.com/by-dream/p/9403984.html Out1 = SELECT QueryId, DocId, Rating, ROW_NUMBER() OVER (PARTITION BY QueryId ORDER BY Score DE 阅读全文
posted @ 2019-11-06 11:30 simple_wxl 阅读(780) 评论(0) 推荐(0) 编辑