Graph-based joint pandemic concern and relation extraction on Twitter.
Jingli ShiWeihua LiSira YongchareonYi YangQuan BaiPublished in: Expert Syst. Appl. (2022)
Keyphrases
- relation extraction
- automatic extraction
- information extraction
- domain specific
- named entities
- semantic relations
- semantic features
- dependency tree
- semantic role labeling
- question answering
- dependency trees
- broad coverage
- named entity recognition
- tree kernels
- reference resolution
- semi supervised
- information retrieval
- higher level
- search engine