An extended dependency graph for relation extraction in biomedical texts.
Yifan PengSamir GuptaCathy H. WuK. Vijay-ShankerPublished in: BioNLP@IJCNLP (2015)
Keyphrases
- relation extraction
- dependency graph
- natural language text
- information extraction
- entity extraction
- manually annotated
- automatic extraction
- named entities
- domain specific
- semantic relations
- semantic role labeling
- named entity recognition
- information extraction systems
- text documents
- text mining
- question answering
- biomedical literature
- semantic features
- tree kernels
- annotated corpus
- dependency trees
- parse tree
- natural language
- data structure
- natural language processing
- broad coverage
- conditional random fields
- higher level
- general purpose
- clustering algorithm
- information retrieval
- machine learning