Discovery of Dependency Tree Patterns for Relation Extraction.
Hongzhi XuChangjian HuGuoyang ShenPublished in: PACLIC (2009)
Keyphrases
- relation extraction
- tree patterns
- dependency trees
- information extraction
- automatic extraction
- named entities
- semantic relations
- structural features
- domain specific
- tree kernels
- semantic role labeling
- xml queries
- question answering
- tree structures
- semantic features
- knowledge discovery
- named entity recognition
- parse tree
- natural language processing
- database
- feature extraction
- information retrieval