Multimodal negative sentiment recognition of online public opinion on public health emergencies based on graph convolutional networks and ensemble learning.
Ziming ZengShouqiang SunQingqing LiPublished in: Inf. Process. Manag. (2023)
Keyphrases
- ensemble learning
- public health
- public opinion
- sentiment analysis
- national security
- positive or negative
- opinion mining
- social media
- ensemble methods
- positive and negative
- generalization ability
- infectious disease
- random forest
- pattern recognition
- social networks
- information systems
- sentence level
- base classifiers
- sentiment classification
- natural language processing
- unlabeled data
- feature extraction
- bayesian networks
- neural network
- unsupervised learning
- text classification
- support vector machine