A Hybrid Approach for Sparse Data Classification Based on Topic Model.
Guangjing WangJie ZhangXiaobin YangLi LiPublished in: WAIM Workshops (2016)
Keyphrases
- sparse data
- topic models
- multi category
- topic modeling
- high dimensional
- latent dirichlet allocation
- text mining
- text documents
- probabilistic model
- support vector machine svm
- text classification
- feature vectors
- co occurrence
- pattern recognition
- generative model
- high dimensionality
- latent topic model
- data sets
- unsupervised learning
- supervised learning
- information extraction
- support vector machine
- feature extraction
- feature selection
- information retrieval
- machine learning
- data mining