CACL: Community-Aware Heterogeneous Graph Contrastive Learning for Social Media Bot Detection Sirry Chen author Shuo Feng author Liang Songsong author Chen-Chen Zong author Jing Li author Piji Li author 2024-08 text Findings of the Association for Computational Linguistics: ACL 2024 Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication chen-etal-2024-cacl 10.18653/v1/2024.findings-acl.617 https://aclanthology.org/2024.findings-acl.617/ 2024-08 10349 10360