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
Guthrie offers $1M reward
Nick Reiner pleads not guilty
Canada OKs Gulfstream jets
Brand pleads not guilty
RU investigates Pavel Durov
Panama seizes key ports
To invest in AI data center
FedEx sues Trump admin
Coast Guard opens probe
Air ambulance crash in India
Patriots release Gibson
Iran military helicopter crash
Reviewing Paramount’s new bid
Launches BravesVision
Trump admin sues New Jersey
Tariffs take effect at 10%
To cut Ozempic, Wegovy prices
Targets Japanese companies
Families sue Texas officials
Placed on injured list
Mandelson released on bail
Sues Johnson & Johnson
China hits Japanese firms
2 MO deputies fatally shot
UK fines Reddit with $20M
Estate reaches settlement
Blackout in Dominican Republic
Consumer confidence climbs
'Lizzie McGuire' actor dies
Seizes third oil tanker
Person shot by Border Patrol
反馈