Theory-Driven Automated Content Analysis of Suicidal Tweets : Using Typicality-Based Classification for LDA Dataset.
Joon-Mo ParkChul-joo LeeYunseok JangPublished in: CoRR (2018)
Keyphrases
- content analysis
- feature extraction
- qualitative analysis
- computer supported collaborative learning
- social media
- face recognition
- online discussion
- theoretical framework
- video content analysis
- linear discriminant analysis
- generative model
- video content
- object classification
- support vector machine
- machine learning
- topic models
- text classification
- dimensionality reduction
- knowledge construction
- collaborative knowledge building
- support vector machine svm
- latent dirichlet allocation
- collaborative learning
- discussion forums