Document-level Event Extraction via Heterogeneous Graph-based Interaction Model with a Tracker.
Runxin XuTianyu LiuLei LiBaobao ChangPublished in: ACL/IJCNLP (1) (2021)
Keyphrases
- event extraction
- interaction model
- document level
- sentiment classification
- cross lingual
- virtual environment
- language model
- open domain
- sentence level
- online news
- query expansion
- information extraction
- user interface
- news articles
- semi supervised
- information access
- language modeling
- coreference resolution
- question answering
- document retrieval
- pseudo relevance feedback
- passage retrieval
- natural language
- xml retrieval
- sentiment analysis
- artificial intelligence
- retrieval effectiveness
- information retrieval systems
- probabilistic model