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 ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
Eight skiers found dead
Cause of death revealed
Environmental groups sue EPA
U2 drops ‘American Obituary’
Rashada settles NIL lawsuit
Shuts part of Strait of Hormuz
‘RoboCop 2’ star dies at 74
Announces retirement
US commander visits Venezuela
Named MLBPA's interim leader
Camden Diocese settles claims
Bowser declares emergency
On homeless encampment sweeps
Hungary to cut diesel export
To meet Netanyahu in Israel
To temporarily run CDC
To buy Depop from Etsy
Vatican declines participation
US senators visit Odesa
Paris opens Epstein probes
Announce staff changes
Seattle Seahawks for sale
Japan reappoints PM Takaichi
FDA to review flu vaccine
Auto vehicle charging push
To pull troops from Syria
Drops ‘Autopilot’ in CA
Testifies in landmark trial
Les Wexner testifies
反馈