Omni-word Feature and Soft Constraint for Chinese Relation Extraction.
Yanping ChenQinghua ZhengWei ZhangPublished in: ACL (1) (2014)
Keyphrases
- relation extraction
- soft constraints
- natural language text
- automatic extraction
- information extraction
- named entities
- named entity recognizer
- domain specific
- semantic role labeling
- semantic relations
- question answering
- named entity recognition
- dependency trees
- semantic features
- co occurrence
- image features
- constraint satisfaction
- parse tree
- feature vectors
- annotated corpus
- constraint propagation
- text mining
- feature set
- knowledge discovery
- tree kernels
- information retrieval
- constraint satisfaction problems
- n gram