Syntactic Tree-based Relation Extraction Using a Generalization of Collins and Duffy Convolution Tree Kernel.
Mahdy KhayyamianSeyed Abolghasem MirroshandelHassan AbolhassaniPublished in: HLT-NAACL (Student Research Workshop and Doctoral Consortium) (2009)
Keyphrases
- word sense disambiguation
- tree kernels
- semantic role labeling
- relation extraction
- information extraction
- natural language processing
- syntactic structures
- question classification
- dependency trees
- parse tree
- automatic extraction
- semantic relations
- named entities
- natural language text
- question answering
- named entity recognition
- broad coverage
- structural features
- domain specific
- artificial intelligence
- information retrieval
- structured data
- feature set
- kernel function
- support vector machine
- text mining
- general purpose
- semantic features
- kernel methods