基于改进的LDA模型的中文主观题自动评分研究 (Automated Scoring Chinese Subjective Responses Based on Improved-LDA).
Haijiao LuoXiaohua KePublished in: 计算机科学 (2017)
Keyphrases
- linear discriminant analysis
- latent dirichlet allocation
- topic models
- face recognition
- discriminant analysis
- topic modeling
- dimensionality reduction
- feature extraction
- principal component analysis
- generative model
- linear discriminate analysis
- topic discovery
- dimension reduction
- subspace methods
- lda model
- null space
- feature space
- data sets
- latent variable models
- improved algorithm
- computer vision
- latent topics
- fully automated
- small sample size
- high dimensional
- discriminating power
- data points
- neural network
- high dimensional data