Mining Help Intent on Twitter During Disasters via Transfer Learning with Sparse Coding.
Bahman PedroodHemant PurohitPublished in: SBP-BRiMS (2018)
Keyphrases
- transfer learning
- sparse coding
- dictionary learning
- learning tasks
- sparse representation
- natural images
- text mining
- unsupervised learning
- image classification
- linear combination
- labeled data
- generative model
- image representation
- group sparsity
- active learning
- reinforcement learning
- machine learning
- cross domain
- collaborative filtering
- semi supervised learning
- knowledge discovery
- multi task
- image patches
- learning algorithm
- high dimensional
- feature space
- target domain
- domain adaptation
- text classification
- data mining
- learning problems
- unlabeled data
- information retrieval
- machine learning algorithms
- visual words
- computer vision
- multiscale
- pairwise
- image features
- signal processing
- multi class