A framework for understanding online group behaviors during a catastrophic event
作者：
Highlights：
• We proposed a novel framework to analyze online group behaviors and the emergent communication networks in an emergency.
• Group interactions between media, private organizations, emergency agencies, and the public were analyzed.
• Each group during hurricane Harvey has its unique structural and semantic interaction patterns.
• More frequent group interactions between the public and private organizations are observed.
• The interactions between the public and private organizations have the highest topical usefulness and topical difference.
摘要
•We proposed a novel framework to analyze online group behaviors and the emergent communication networks in an emergency.•Group interactions between media, private organizations, emergency agencies, and the public were analyzed.•Each group during hurricane Harvey has its unique structural and semantic interaction patterns.•More frequent group interactions between the public and private organizations are observed.•The interactions between the public and private organizations have the highest topical usefulness and topical difference.
论文关键词：Disaster communication,Social media,Emergency information,Social network analysis,Hurricane harvey,Disaster management
论文评审过程：Received 18 June 2019, Revised 4 December 2019, Accepted 4 December 2019, Available online 20 December 2019, Version of Record 24 February 2020.
论文官网地址：https://doi.org/10.1016/j.ijinfomgt.2019.102051
