中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
自动化研究所 [8]
文献情报中心 [4]
计算技术研究所 [3]
数学与系统科学研究院 [3]
地理科学与资源研究所 [2]
重庆绿色智能技术研究... [1]
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采集方式
OAI收割 [21]
内容类型
期刊论文 [19]
学位论文 [2]
发表日期
2022 [3]
2021 [3]
2020 [5]
2019 [2]
2018 [1]
2016 [1]
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学科主题
图书馆、情报与文献学 [1]
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Spatio-temporal evolution and influencing factors of geopolitical relations among Arctic countries based on news big data
期刊论文
OAI收割
JOURNAL OF GEOGRAPHICAL SCIENCES, 2022, 卷号: 32, 期号: 10, 页码: 2036-2052
作者:
Li Meng
;
Yuan Wen
;
Yuan Wu
;
Niu Fangqu
;
Li Hanqin
  |  
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2022/11/09
Arctic
geographical relationship
spatiotemporal data mining
topic model
interactive network
big data
Spatio-temporal evolution and influencing factors of geopolitical relations among Arctic countries based on news big data
期刊论文
OAI收割
JOURNAL OF GEOGRAPHICAL SCIENCES, 2022, 卷号: 32, 期号: 10, 页码: 2036-2052
作者:
Li Meng
;
Yuan Wen
;
Yuan Wu
;
Niu Fangqu
;
Li Hanqin
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2022/11/09
Arctic
geographical relationship
spatiotemporal data mining
topic model
interactive network
big data
COVID-19 Vaccine Tweets After Vaccine Rollout: Sentiment-Based Topic Modeling
期刊论文
OAI收割
JOURNAL OF MEDICAL INTERNET RESEARCH, 2022, 卷号: 24, 期号: 2, 页码: 14
作者:
Huangfu, Luwen
;
Mo, Yiwen
;
Zhang, Peijie
;
Zeng, Daniel Dajun
;
He, Saike
  |  
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2022/06/06
COVID-19
COVID-19 vaccine
sentiment evolution
topic modeling
social media
text mining
The impact of COVID-19 on hotel customer satisfaction: evidence from Beijing and Shanghai in China
期刊论文
OAI收割
INTERNATIONAL JOURNAL OF CONTEMPORARY HOSPITALITY MANAGEMENT, 2021, 页码: 25
作者:
Sun, Shaolong
;
Jiang, Fuxin
;
Feng, Gengzhong
;
Wang, Shouyang
;
Zhang, Chengyuan
  |  
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2022/04/02
COVID-19
Hotel reviews
Text mining
Word2vec
Cluster analysis
Topic model
TWIRLS, a knowledge-mining technology, suggests a possible mechanism for the pathological changes in the human host after coronavirus infection via ACE2 (vol 81, pg 1004, 2020)
期刊论文
OAI收割
DRUG DEVELOPMENT RESEARCH, 2021, 页码: 1
作者:
Niu, Gang
  |  
收藏
  |  
浏览/下载:33/0
  |  
提交时间:2021/12/01
coronavirus
cytokine storm
literature mining
renin
angiotensin system
topic inference
Fake News Detection via Multi-Modal Topic Memory Network
期刊论文
OAI收割
IEEE ACCESS, 2021, 卷号: 9, 页码: 132818-132829
作者:
Ying, Long
;
Yu, Hui
;
Wang, Jinguang
;
Ji, Yongze
;
Qian, Shengsheng
  |  
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2021/11/03
Feature extraction
Semantics
Social networking (online)
Visualization
Data mining
Task analysis
Training data
Fake news detection
multi-modal fusion
topic memory network
blended attention module
TWIRLS, a knowledge-mining technology, suggests a possible mechanism for the pathological changes in the human host after coronavirus infection via ACE2
期刊论文
OAI收割
DRUG DEVELOPMENT RESEARCH, 2020, 卷号: 81, 期号: 8, 页码: 1004-1018
作者:
Ji, Xiaoyang
;
Tan, Wenting
;
Zhang, Chunming
;
Zhai, Yubo
;
Hsueh, Yiching
  |  
收藏
  |  
浏览/下载:75/0
  |  
提交时间:2021/12/01
coronavirus
cytokine storm
literature mining
renin‐
angiotensin system
topic inference
Knowledge-Based Topic Model for Multi-Modal Social Event Analysis
期刊论文
OAI收割
IEEE TRANSACTIONS ON MULTIMEDIA, 2020, 卷号: 22, 期号: 8, 页码: 2098-2110
作者:
Xue, Feng
;
Hong, Richang
;
He, Xiangnan
;
Wang, Jianwei
;
Qian, Shengsheng
  |  
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2020/08/31
Analytical models
Knowledge based systems
Social networking (online)
Data mining
Data models
Internet
Knowledge engineering
Knowledge embedding
multi-modal
topic coherence
event classification
Topic Evolution and Emerging Topic Analysis Based on Open Source Software
期刊论文
OAI收割
Journal of Data and Information Science, 2020, 卷号: 5, 期号: 4, 页码: 126–136
作者:
Xiang Shen
;
Li Wang
  |  
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2021/11/04
Topic Evolution
Emerging Topics
Text Mining
Thesaurus
Vosviewer
A Top-Down Binary Hierarchical Topic Model for Biomedical Literature
期刊论文
OAI收割
IEEE ACCESS, 2020, 卷号: 8, 页码: 59870-59882
作者:
Lin, Xiaoguang
;
Liu, Mingxuan
;
Zhang, Ju
  |  
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2020/08/24
Topic model
topic hierarchy
binary modality
biomedical literature
text mining