English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
冬季运动会
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
6 个月
BERTopic_Teen优化模型:基于多模块优化的青少年健康短文本主题建模方法
这篇综述提出BERTopic_Teen模型,通过流行度偏差正则器(PDR)、动态文档嵌入优化器(DDEO)和概率重分配矩阵(PRM)三模块优化,显著提升青少年健康相关推文的主题建模效果。实验显示其NPMI(0.2184)较原模型提升16.1%,主题多样性(TD=0.9935)和困惑度(1.7214 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Civil rights leader dies
‘The Godfather’ star dies
'Lovers’ Arch' collapses
GA teacher killed in crash
Winter storm hits California
Ronnie Hickman assaulted
Bangladesh’s new PM
US troops arrive in Nigeria
Alert at Philadelphia airport
Judge orders restoration
NYC to receive $1.5B
To compete in Pentagon contest
California surfer killed
Trump slams energy deal
NM ranch probe launched
Train derails in Switzerland
Father of Bulls coach dies
Hyatt’s Pritzker steps down
Orders to protect Potomac
Reopens Paramount talks
To probe X, Meta, TikTok
FBI refuses to share evidence
Wins gold in monobob
Shooting near Baltimore mall
US, Iran hold nuclear talks
Faces EU investigation
Camilo Torres’ remains found
Frederick Wiseman dies
Family cleared as suspects
Hall of Fame songwriter dies
反馈