Classifying Forum Questions Using PCA and Machine Learning for Improving Online CQA.
Simon FongYan ZhuangKexing LiuShu ZhouPublished in: SCDS (2015)
Keyphrases
- machine learning
- principal component analysis
- question answer
- machine learning algorithms
- open ended questions
- online forums
- model selection
- question answering
- pattern recognition
- principal components
- face recognition
- linear discriminant analysis
- digital libraries
- learning tasks
- covariance matrix
- knowledge representation
- machine learning methods
- decision trees
- information extraction
- discussion forums
- dimensionality reduction
- text classification
- online learning
- principal components analysis
- data mining
- feature extraction
- computer vision
- artificial intelligence
- real time
- computational intelligence
- support vector machine
- knowledge discovery
- high dimensional
- feature space
- computer science
- independent component analysis
- information seeking
- learning algorithm
- question answering systems
- information retrieval