Open Relation Extraction Based on Core Dependency Phrase Clustering.
Chengsen RuShasha LiJintao TangYi GaoTing WangPublished in: DSC (2017)
Keyphrases
- relation extraction
- dependency trees
- information extraction
- automatic extraction
- semantic relations
- parse tree
- named entities
- clustering algorithm
- broad coverage
- k means
- semantic role labeling
- domain specific
- question answering
- clustering method
- named entity recognition
- semantic features
- unsupervised learning
- tree kernels
- noun phrases
- active learning
- linguistic features
- knowledge base
- artificial intelligence
- document clustering
- natural language processing
- relevance feedback
- domain knowledge
- hidden markov models
- xml documents