4 papers
CEHA: A Dataset of Conflict Events in the Horn of Africa
Rui Bai, Di Lu, Shihao Ran +5
Natural Language Processing (NLP) of news articles can play an important role in understanding the dynamics and causes of violent conflict. Despite the availability of datasets cat…
Event Extraction as Question Generation and Answering
Di Lu, Shihao Ran, Joel Tetreault +1
Recent work on Event Extraction has reframed the task as Question Answering (QA), with promising results. The advantage of this approach is that it addresses the error propagation…
A New Task and Dataset on Detecting Attacks on Human Rights Defenders
Shihao Ran, Di Lu, Joel Tetreault +2
The ability to conduct retrospective analyses of attacks on human rights defenders over time and by location is important for humanitarian organizations to better understand histor…
CrisisLTLSum: A Benchmark for Local Crisis Event Timeline Extraction and Summarization
Hossein Rajaby Faghihi, Bashar Alhafni, Ke Zhang +3
Social media has increasingly played a key role in emergency response: first responders can use public posts to better react to ongoing crisis events and deploy the necessary resou…