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
To sit out All-Star Game
Cause of death revealed
Olympic medals break
To review US projects
UK PM's comms chief quits
US seizes eighth oil tanker
New BU shooting video
Threatens to block opening
Trump slams halftime show
49ers DL undergoes surgery
Maryland high school shooting
4 MA troopers indicted
House passes housing bill
Gremaud beats Gu for gold
To buy Orna Therapeutics
Vance visits Armenia
Shared confidential reports?
Judge denies injunction
$120M adult day care scam
Files for bankruptcy again
DOJ moves to dismiss case
Sues Hims & Hers
Slashes about 500 jobs
Court blocks deportation
Measles exposure at DC rally
NYC nurses reach deal
Co-founder returns as CEO
Ohio bomb threats
Nadler endorses Micah Lasher
Faces calls to resign
Former Lions defender dies
Judge blocks CA mask ban
Cuba warns of fuel shortage
Bank of France gov. resigns
反馈