A weakly supervised propagation model for rumor verification and stance detection with multiple instance learning

• Main Authors: YANG, Ruichao, MA, Jing, LIN, Hongzhan, GAO, Wei
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2022
• Subjects: MIL; Rumor Verification; Stance Detection; Propagation Tree; Hierarchical Attention Mechanism; Databases and Information Systems; Programming Languages and Compilers
• Online Access: https://ink.library.smu.edu.sg/sis_research/7605; https://ink.library.smu.edu.sg/context/sis_research/article/8608/viewcontent/2204.02626.pdf
• Institution: Singapore Management University

The diffusion of rumors on social media generally follows a propagation tree structure, which provides valuable clues on how an original message is transmitted and responded by users over time. Recent studies reveal that rumor verification and stance detection are two relevant tasks that can jointly...