Keyphrases
- relation extraction
- support vector machine
- automatic extraction
- tree kernels
- information extraction
- named entities
- domain specific
- question answering
- semantic relations
- dependency tree
- semantic features
- semantic role labeling
- broad coverage
- support vector
- machine learning
- dependency trees
- feature selection
- kernel methods
- feature vectors
- reference resolution
- training data
- kernel function
- named entity recognition
- knn
- parse tree
- text mining
- training set
- object recognition
- natural language