Feature selection for event discovery in social media: A comparative study.
Jie ZhaoXueya WangPeiquan JinPublished in: Comput. Hum. Behav. (2015)
Keyphrases
- social media
- feature selection
- real world events
- news events
- event detection
- mutual information
- social networking
- text categorization
- feature selection algorithms
- social networks
- comparative study
- feature subset
- support vector machine
- feature set
- emerging topics
- user generated content
- machine learning
- text classification
- multi class
- knn
- data mining
- online social media
- irrelevant features
- feature weighting
- classification accuracy
- knowledge discovery
- big data
- classification models
- method for feature selection
- high dimensionality
- discriminative features
- event driven
- feature extraction
- microarray data
- unsupervised learning
- forward selection
- social media platforms
- training data
- unsupervised feature selection
- event sequences
- selected features
- support vector
- news stories
- data analysis
- online social networks