Improving Relation Extraction by Using an Ontology Class Hierarchy Feature.
Pedro H. R. de AssisMarco A. CasanovaAlberto H. F. LaenderRuy Luiz MilidiúPublished in: WISE (2) (2015)
Keyphrases
- relation extraction
- class hierarchy
- domain specific
- automatic extraction
- information extraction
- named entities
- semantic relations
- semantic features
- image features
- question answering
- broad coverage
- named entity recognition
- dependency trees
- semantic role labeling
- knowledge acquisition
- data mining
- natural language processing
- domain knowledge
- feature vectors
- natural language
- knowledge base
- search engine
- artificial intelligence
- visual features
- bayesian networks
- information retrieval