Unsupervised Extractive Opinion Summarization Using Sparse Coding.
Somnath Basu Roy ChowdhuryChao ZhaoSnigdha ChaturvediPublished in: ACL (1) (2022)
Keyphrases
- sparse coding
- opinion summarization
- unsupervised learning
- dictionary learning
- natural images
- sparse representation
- image classification
- supervised learning
- text mining
- linear combination
- semi supervised
- generative model
- topic specific
- topic modeling
- image representation
- sentiment classification
- high dimensional
- image patches
- topic models
- machine learning
- feature space
- visual words
- data mining
- multiscale
- semi supervised learning
- prior knowledge
- text categorization
- high dimensional data
- collaborative filtering
- model selection
- feature extraction
- denoising
- weakly supervised
- learning algorithm
- expectation maximization