@inproceedings{barber-etal-2026-multi, title = "Multi-Agent {LLM} Annotation and Scoring for Training Fine-Grained K-12 Writing-Feedback Models", author = "Barber, Justin O and Hemenway, Michael P and Bellows, Martha and Lottridge, Susan", editor = "Wilson, Joshua and Ormerod, Christopher and Beiting-Parrish, Magdalen", booktitle = "Proceedings of the Artificial Intelligence in Measurement and Education Conference ({AIME}-Con): Coordinated Session Papers", month = oct, year = "2026", address = "Wyndham Grand Pittsburgh Downtown, Pittsburgh, Pennsylvania, United States", publisher = "National Council on Measurement in Education (NCME)", url = "https://aclanthology.org/2026.aimecon-sessions.1/", pages = "1--8", ISBN = "979-8-9983004-2-4" }