Knowledge element relation extraction using conditional random fields.
Yingying ChenQinghua ZhengWei WangYan ChenPublished in: CSCWD (2010)
Keyphrases
- relation extraction
- named entity recognition
- information extraction
- domain specific
- automatic extraction
- named entities
- knowledge representation
- knowledge base
- domain knowledge
- knowledge discovery
- dependency tree
- question answering
- semantic relations
- expert systems
- reference resolution
- semantic features
- maximum entropy
- semantic role labeling
- broad coverage
- knowledge sources
- knowledge acquisition