Employing Constituent Dependency Information for Tree Kernel-Based Semantic Relation Extraction between Named Entities.
Longhua QianGuodong ZhouQiaoming ZhuPublished in: ACM Trans. Asian Lang. Inf. Process. (2011)
Keyphrases
- relation extraction
- named entities
- information extraction
- named entity recognition
- dependency trees
- annotated corpus
- named entity extraction
- automatic extraction
- semantic information
- question answering
- semantic role labeling
- information retrieval
- higher level
- domain specific
- text mining
- contextual information
- graphical models
- co occurrence
- semantic features
- parse tree
- natural language processing
- tree kernels
- domain knowledge
- knowledge base
- search engine