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
Minnesota operation to end
Seattle to pay $29M
US orders 2nd aircraft carrier
Stolz sets Olympic record
6 killed in FL murder spree
'Harold and Maude' star dies
Gets engaged at Olympics
Abbvie sues HHS over Botox
US joining vaccine meeting
Lee jailed without bond
Iowa settles citizenship suit
Iowa Lakes baseball bus crash
Ukrainian star disqualified
DOJ fires US attorney
Russia blocks WhatsApp
Shooting suspect ID’d
Two co-founders resign
Launches local feed
Hudson returns to ‘Dreamgirls’
House votes to rescind tariffs
Says leg surgery went well
Orders to buy coal power
Instagram head set to testify
4 states sue Trump admin
Nuveen to buy Schroders
Mean Arms to pay $1.75M
Rescued manatee recovering
Laser testing led shutdown
Ends intelligence task force
Suspect extradited to NY
To remain LA28 chairman
House passes SAVE America Act
反馈