Keyphrases
- fine grained
- relation extraction
- coarse grained
- automatic extraction
- information extraction
- access control
- domain specific
- semantic relations
- named entities
- semantic features
- dependency trees
- named entity recognition
- question answering
- learning algorithm
- semantic role labeling
- supervised learning
- semi supervised
- feature selection
- wordnet
- data lineage
- structured data
- active learning
- knowledge base
- tree kernels
- databases