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Document-level medical relation extraction via edge-oriented graph neural network based on document structure and external knowledge.
Tao Li
Ying Xiong
Xiaolong Wang
Qingcai Chen
Buzhou Tang
Published in:
BMC Medical Informatics Decis. Mak. (2021)
Keyphrases
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relation extraction
semantic features
information extraction
domain specific
named entities
semantic relations
question answering
named entity recognition
wordnet
co occurrence
xml elements
structured data
document retrieval
semantic information
knowledge sources
language model
knowledge base