Keyphrases
- relation extraction
- named entities
- entity extraction
- coreference resolution
- named entity recognizer
- automatic extraction
- information extraction
- domain specific
- named entity recognition
- semantic role labeling
- broad coverage
- question answering
- dependency tree
- semantic relations
- natural language processing
- reference resolution
- dependency trees
- named entity disambiguation
- co occurrence
- text mining
- semantic features
- text documents
- parse tree
- tree kernels
- hidden markov models
- unsupervised learning
- image classification
- entity ranking
- term extraction
- supervised learning
- knowledge representation
- data analysis
- artificial intelligence