collaborators

5 papers

cs.RO2026

Meta-Ctrl: Guaranteed Plan Generation by Decoupling Syntactic and Semantic Constraints

Gwen Yidou-Weng, Edward Sun, Tianyi Ma +5

LLMs generate fluent plans for robots but routinely violate the syntactic and se8mantic constraints they must satisfy to execute, and existing remedies trade formal guarantees agai…

cs.DB2026

Causal Scaffolding for Physical Reasoning: A Benchmark for Causally-Informed Physical World Understanding in VLMs

Tianyi Tang, Zhuoyi Lin, Zeyu Feng +4

Understanding and reasoning about the physical world is the foundation of intelligent behavior, yet state-of-the-art vision-language models (VLMs) still fail at causal physical rea…

cs.CL2025

MMGR: Multi-Modal Generative Reasoning Benchmark and Evaluation

Zefan Cai, Haoyi Qiu, Tianyi Ma +13

Modern multimodal generative models can synthesize visually compelling images and videos, but it remains unclear whether this visual fluency reflects genuine reasoning: when prompt…

cs.AI2025

Vision-and-Language Navigation with Analogical Textual Descriptions in LLMs

Yue Zhang, Tianyi Ma, Zun Wang +2

Integrating large language models (LLMs) into embodied AI models is becoming increasingly prevalent. However, existing zero-shot LLM-based Vision-and-Language Navigation (VLN) agen…

cs.AI2025

Breaking Down and Building Up: Mixture of Skill-Based Vision-and-Language Navigation Agents

Tianyi Ma, Yue Zhang, Zehao Wang +1

Vision-and-Language Navigation (VLN) poses significant challenges for agents to interpret natural language instructions and navigate complex 3D environments. While recent progress…