2026 The Limits of De-politicizing—and Also of Annotation: A Case Study in Russian Media Outlets’ Social Media Posts, 2016–2024 Liancheng Gong, Daniel J. Hopkins, and Samuel Wolken Proceedings of the International AAAI Conference on Web and Social Media 2026 DOI Link Iterative Formalization and Planning in Partially Observable Environments Liancheng Gong, Wang Zhu, Jesse Thomason, and Li Zhang In Findings of the Association for Computational Linguistics: ACL 2026 Link