Tree Kernel-based Relation Extraction with Various Entity-Related Features.
Longhua QianGuodong ZhouQiaoming ZhuPeide QianPublished in: J. Chin. Lang. Comput. (2007)
Keyphrases
- relation extraction
- tree kernels
- named entities
- automatic extraction
- information extraction
- feature vectors
- feature extraction
- entity extraction
- coreference resolution
- kernel methods
- co occurrence
- domain specific
- named entity recognizer
- parse tree
- artificial intelligence
- low level
- feature space
- tree structure
- question answering
- image features
- feature selection
- semantic relations
- text mining
- classification accuracy
- keywords