Keyphrases
- relation extraction
- semantic role labeling
- automatic extraction
- information extraction
- named entities
- tree kernels
- domain specific
- dependency parsing
- semantic relations
- question answering
- semantic features
- named entity recognition
- probabilistic model
- natural language text
- parse tree
- semantic roles
- word sense disambiguation
- machine learning
- co occurrence
- data analysis
- high level
- artificial intelligence