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
'Dawson's Creek' star dies
FAA lifts flight restrictions
Suspect detained in Arizona
Appoints new defense minister
Launches local feed
House rejects Johnson’s bid
Hires ex-US prosecutor
Kwok’s father convicted
‘Walk for Peace’ ends in DC
To send 200 troops to Nigeria
Deadly Russian drone attack
130,000 jobs added in Jan
NATO launches 'Arctic Sentry'
Deadly shooting in Florida
Pauses company split
Names 6 men in Epstein files
Team USA sweeps moguls
Lakers rule out James
To run for Congress in VA
Grand jury declines charges
Says leg surgery went well
Cyclone Gezani hits Madagascar
Heineken to cut jobs
Giants hiring Callahan
QXO to acquire Kodiak
Disclosed confidential data
Instagram head set to testify
NBA suspends four players
Bondi to testify
Discharged from hospital
Hudson returns to ‘Dreamgirls’
反馈