Topic Extraction Method from Millions of Tweets Based on Fast Feature Selection Technique CWC.
Takako HashimotoDave ShepardTetsuji KuboyamaKilho ShinPublished in: ICDM Workshops (2016)
Keyphrases
- feature selection
- topic specific
- news articles
- social media
- text categorization
- short texts
- named entities
- topic models
- mutual information
- tens of thousands
- text classification
- feature selection algorithms
- feature extraction
- high dimensionality
- selected features
- topic modeling
- short text
- micro blogging
- unsupervised feature selection
- user generated content
- information gain
- machine learning
- model selection
- classification accuracy
- latent dirichlet allocation
- feature subset
- gene expression data
- unsupervised learning
- feature ranking
- feature set
- multi class
- feature space
- support vector
- decision trees
- method for feature selection