Question Type Classification Using a Part-of-Speech Hierarchy.
Richard KhouryPublished in: AIS (2011)
Keyphrases
- named entity recognition
- information extraction
- natural language processing
- part of speech
- pos tagging
- machine learning
- word sense disambiguation
- information retrieval
- machine translation
- question answering
- feature extraction
- classification accuracy
- feature vectors
- feature space
- support vector machine
- support vector
- n gram
- syntactic categories
- syntactic information
- parse tree
- unsupervised grammar induction
- unsupervised learning
- image classification
- supervised learning
- machine learning algorithms
- text classification
- knowledge discovery
- training data