Dependency Tree Kernels for Relation Extraction.
Aron CulottaJeffrey S. SorensenPublished in: ACL (2004)
Keyphrases
- dependency tree
- relation extraction
- tree kernels
- string kernels
- automatic extraction
- information extraction
- named entities
- domain specific
- semantic relations
- semantic role labeling
- semantic features
- natural language text
- question classification
- kernel function
- question answering
- dependency parsing
- named entity recognition
- parse tree
- feature space
- sentiment classification
- support vector
- kernel methods
- co occurrence
- structural features
- linguistic features
- syntactic structures