Document-level Event Extraction via Heterogeneous Graph-based Interaction Model with a Tracker.
Runxin XuTianyu LiuLei LiBaobao ChangPublished in: CoRR (2021)
Keyphrases
- event extraction
- interaction model
- document level
- sentiment classification
- cross lingual
- virtual environment
- open domain
- language model
- sentence level
- online news
- user interface
- news articles
- query expansion
- information extraction
- language modeling
- information access
- retrieval strategies
- sentiment analysis
- coreference resolution
- document retrieval
- probabilistic model
- data mining
- pseudo relevance feedback
- novelty detection
- information retrieval systems
- semi supervised
- prior knowledge
- information retrieval