Keyphrases
- relation extraction
- temporal order
- automatic extraction
- information extraction
- named entities
- domain specific
- semantic relations
- dependency trees
- semantic role labeling
- question answering
- dependency tree
- named entity recognition
- broad coverage
- coreference resolution
- semantic features
- reference resolution
- tree kernels
- similarity measure
- wordnet
- general purpose
- parse tree
- low level
- high level
- object recognition
- generative model
- structural features
- natural language processing
- knowledge acquisition
- information sources