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Jaehong Yoon

Nanyang Technological University, Singapore

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#artificial intelligence Preprint Oct 2026

Attacca: Goal-Directed Control under State Continuity for Long-Horizon Embodied Agents

A central capability of embodied agents is to accomplish complex objectives through sequences of interdependent tasks. Yet existing visual goal-conditioned policies underlying these agents are typically evaluated on isolated interactions where the target is already visible, and thus do not capture the conditions that a...

Gyusik Seo, Jaehong Yoon · 0 citations
#artificial intelligence Preprint Oct 2026

MetaRubric: Learning to Reward for Rubric-Based Reinforcement Learning

Rubric-based reinforcement learning extends reward-driven optimization to open-ended tasks by assigning partial credit to individual response requirements. However, rubric judges can assign a high criterion score even when the information or action it requires is absent from the response, a failure mode we term Vacuous...

Yuxuan Fan, Jaehong Yoon · 0 citations
Preprint Sep 2026

Not Every Correction Helps: Gain-Guided Continual Test-Time Adaptation

Continual test-time adaptation (CTTA) adapts a source model to an unlabeled test stream whose distribution may change over time. Existing TTA methods often assess prediction reliability using confidence or entropy, which primarily reflect the model's self-certainty for the current sample. In CTTA, accumulated target ob...

You-Jia Zhang, Hui-Ling Liu, Soyun Choi et al. · 0 citations
Preprint Aug 2026

MedMix: Specialization-Consistent Federated Sparse MoEs under Modality Heterogeneity

MedMix is a semantic-alignment framework for federated multimodal sparse MoE architectures that coordinates cross-client routing and expert specialization using modality context, and achieves the best average F1 across diverse modality heterogeneity and modality incompleteness settings.

Adiba Orzikulova, Dong Min Kim, Jaehong Yoon et al. · 0 citations
#artificial intelligence Preprint Sep 2026

PaperCompiler: Faithful Paper-to-Code Generation via Repository-Level Specification Compilation

PaperCompiler is introduced, a paper-to-code generation framework that compiles paper-grounded evidence into explicit repository-level implementation specifications that encode non-degradation requirements, ownership assignments, cross-file dependencies, and file-level constraints.

Yun-Hao Liu, Hồng Phúc Phạm, Jaehong Yoon · 0 citations
#natural language process... Preprint Aug 2026

Simplex Relaxation for Discrete Diffusion

Simplax is introduced, an exact Dirichlet--categorical augmentation that couples each corrupted categorical state with an auxiliary simplex-valued variable while preserving the original uniform diffusion process as its categorical marginal.

Jinya Sakurai, Patrick Pynadath, Satoshi Hayakawa et al. · 1 citation

EgoMemReason: A Memory-Driven Reasoning Benchmark for Long-Horizon Egocentric Video Understanding

EgoMemReason is introduced, a comprehensive benchmark for week-long egocentric video understanding through memory-driven reasoning that evaluates three complementary memory types: entity memory, tracking how object states evolve and change across days; event memory, recalling and ordering activities separated by hours...

Ziyang Wang, Yue Zhang, Shoubin Yu et al. · 2 citations

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