He, Y. et al. 2026. Detecting Divisive Language: A Concept-Grounded, LLM-Guided Pipeline for Polarizing Social Media Sphere. Proceedings of the International AAAI Conference on Web and Social Media. 20, 1 (May 2026), 2980–2986. DOI:https://doi.org/10.1609/icwsm.v20i1.42796.