Feature Selection and Text Embedding for Detecting Dementia from Spontaneous Cantonese.
Xiaoquan KeMan-Wai MakHelen M. MengPublished in: ICASSP (2023)
Keyphrases
- data mining
- feature selection
- text mining
- machine learning
- text classification
- text categorization
- information retrieval
- text retrieval
- mutual information
- text classifiers
- high dimensionality
- vector space
- naive bayes
- conversational speech
- free text
- unsupervised learning
- feature space
- model selection
- multi class
- information extraction
- support vector machine
- web documents
- classification accuracy
- language learning
- support vector
- keywords
- information gain
- key concepts
- selected features
- training data
- healthy subjects
- similarity measure