A Novel Framework for Detecting Important Subevents from Crisis Events via Dynamic Semantic Graphs Evangelia Spiliopoulou author Tanay Kumar Saha author Joel Tetreault author Alejandro Jaimes author 2021-11 text Proceedings of the Seventh Workshop on Noisy User-generated Text (W-NUT 2021) Wei Xu editor Alan Ritter editor Tim Baldwin editor Afshin Rahimi editor Association for Computational Linguistics Online conference publication spiliopoulou-etal-2021-novel 10.18653/v1/2021.wnut-1.28 https://aclanthology.org/2021.wnut-1.28/ 2021-11 249 259