Distant Supervision for Relation Extraction Using Ontology Class Hierarchy-Based Features.
Pedro H. R. de AssisMarco A. CasanovaPublished in: ESWC (Satellite Events) (2014)
Keyphrases
- class hierarchy
- relation extraction
- domain specific
- automatic extraction
- feature vectors
- tree kernels
- semantic information
- question answering
- information extraction
- named entities
- feature extraction
- feature set
- semantic web
- knowledge representation
- semantic features
- classification accuracy
- low level
- co occurrence
- semantic role labeling