Keyphrases
- relation extraction
- information extraction
- natural language
- weakly supervised
- question answering
- natural language text
- semantic role labeling
- automatic extraction
- named entities
- natural language processing
- named entity recognition
- domain specific
- semantic relations
- dependency trees
- reference resolution
- machine learning
- semi supervised
- coreference resolution
- broad coverage
- semantic features
- tree kernels
- learning algorithm
- structured data
- text mining
- semantic analysis
- knowledge representation
- information retrieval
- artificial intelligence
- feature space
- wordnet
- co occurrence
- knowledge based systems
- unsupervised learning