Author

Gautam Biswas

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Conference Sep 2026

When Modalities Disagree: Multimodal Sentiment Conflict as an Affective Signal in Collaborative Learning

Multimodal emotion recognition (MER) systems typically combine facial, vocal, and linguistic cues to arrive at a single consensus label, often treating any disagreement between modalities as noise. However, we argue that in collaborative learning settings, such disagreements can provide valuable emotional signals. We p...

Ashwin Tudur Sadashiva, Srigowri Mayasandra Prasanna, J. Fonteles et al. · 2026 14th International Conf... · 0 citations

#natural language process... Preprint Oct 2026

Agreement Is Not Validity: Cross-Model LLM Consensus in Diagnosing Student Failure Modes in K-12 Math Tutoring Dialogue

In K-12 mathematics tutoring, student-tutor dialogue provides rich evidence of learners'problem-solving processes and sources of difficulty. Learning analytics research increasingly relies on large language models (LLMs) to extract such information from dialogue for a variety of downstream tasks, including knowledge tr...

Clayton Cohn, J. Fonteles, Kirk P. Vanacore et al. · 0 citations