An ensemble of MPNet classifiers trained with grouped cross-validation and class-weighted loss reaches competitive macro-F1 on mistake identification and location in AI tutor responses.
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BD at BEA 2025 Shared Task: MPNet Ensembles for Pedagogical Mistake Identification and Localization in AI Tutor Responses
An ensemble of MPNet classifiers trained with grouped cross-validation and class-weighted loss reaches competitive macro-F1 on mistake identification and location in AI tutor responses.