Joint entity and relation extraction model based on directed-relation GAT oriented to Chinese patent texts.
Yushan ZhaoKuan-Ching LiTengke WangShunxiang ZhangPublished in: Soft Comput. (2024)
Keyphrases
- relation extraction
- named entities
- natural language text
- coreference resolution
- named entity recognizer
- entity extraction
- information extraction
- automatic extraction
- text documents
- named entity recognition
- semantic relations
- text summarization
- domain specific
- question answering
- broad coverage
- semantic role labeling
- semantic features
- dependency trees
- text mining
- information retrieval
- natural language processing
- annotated corpus
- tree kernels
- co occurrence
- parse tree
- general purpose
- domain knowledge
- entity ranking
- syntactic structures
- feature extraction
- unsupervised learning
- search engine