Exploring syntactic structured features over parse trees for relation extraction using kernel methods.
Min ZhangGuodong ZhouAiTi AwPublished in: Inf. Process. Manag. (2008)
Keyphrases
- tree kernels
- kernel methods
- relation extraction
- parse tree
- structured data
- kernel function
- structural features
- semantic role labeling
- feature space
- dependency trees
- automatic extraction
- information extraction
- support vector
- support vector machine
- domain specific
- named entities
- sentiment classification
- question answering
- semantic features
- knowledge base
- semantic analysis
- natural language text
- semantic relations
- machine learning
- named entity recognition
- word sense disambiguation
- text categorization
- semantic roles
- visual features
- broad coverage