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Author

Sangwoo Cho

Tencent US

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Preprint Aug 2026

StreamHear: Domain-Adapted Pseudo-Labeling for Semi-Supervised Streaming Speech Recognition

A semi-supervised pipeline that adapts a pretrained streaming student by fine-tuning an offline transducer teacher on the labeled training set, generating pseudo-labels on the unlabeled portion, and fine-tuning the student on the mixture is presented.

Zefang Liu, Chenyang Zhu, Sangwoo Cho et al. · 0 citations
#artificial intelligence Preprint Sep 2026

When Load-Balancing Goes Too Far: Expert Pruning in Over-Dispersed Mixture-of-Experts Models

The results indicate that over-dispersed routing is a qualitatively distinct pruning regime in which standard assumptions fail, and that recognizing it is a prerequisite for principled expert pruning of load-balanced MoE models.

Berkcan Kapusuzoglu, Connor Pryor, Sangwoo Cho et al. · 0 citations

RECAP: Regression Evaluation for Continual Adaptation of Prompts

RecAP is introduced, a benchmark that measures continual-learning phenomena at the constraint level under a strictly proactive adapt-then-test protocol: prompt optimization methods receive only the constraint specification and must generalize before seeing any test data.

Harsh Deshpande, Kushal Chawla, Sangwoo Cho et al. · 0 citations
#human-computer interacti... Preprint Aug 2026

AREAs-Lab: An Interactive Environment for AI-driven Requirement Elicitation for AI Systems

Building effective AI systems increasingly depends on writing high-quality task requirements, yet users often struggle to articulate the constraints, preferences, and edge cases that determine success. This problem is especially acute in AI development, where behavior is shaped not only by human expectations but also b...

Pengshan Cai, Zi-Hao Zhang, Ting Jin et al. · 0 citations

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