Fine-Grained Relation Extraction for Drug Instructions Using Contrastive Entity Enhancement.
Feng GaoXuren SongJinguang GuLihua ZhangYun LiuXiaoliang ZhangYu LiuShenqi JingPublished in: IEEE Access (2023)
Keyphrases
- fine grained
- relation extraction
- named entities
- entity extraction
- coreference resolution
- named entity recognizer
- information extraction
- coarse grained
- named entity recognition
- domain specific
- automatic extraction
- question answering
- semantic role labeling
- semantic relations
- access control
- natural language processing
- co occurrence
- dependency trees
- text documents
- semantic features
- tree kernels
- text mining
- knowledge base
- tf idf
- artificial intelligence
- unsupervised learning
- similarity measure