Relation Extraction and Discovery from Free Texts via Bootstrapping.
Yunlong YangJie LuoPublished in: ISCID (2) (2017)
Keyphrases
- relation extraction
- natural language text
- information extraction
- manually annotated
- automatic extraction
- weakly supervised
- domain specific
- named entities
- semantic relations
- semantic role labeling
- named entity recognition
- semantic features
- information extraction systems
- dependency trees
- text documents
- question answering
- knowledge discovery
- broad coverage
- annotated corpus
- data mining
- parse tree
- tree kernels
- natural language processing
- unsupervised learning
- co occurrence
- supervised learning
- high level
- feature selection
- machine learning