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Zi-Xiang Ni

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#artificial intelligence Preprint Sep 2026

CARAT: Do Materials LLMs Reason or Recite?

When a materials LLM answers a question about crystal structure, does it reason from the structure or copy an answer already printed in its input? Accuracy cannot tell: a structural description often prints the very field it is scored against. CARAT holds question and gold answer fixed across eight matched views, names...

Jia-Jun Wu, Jian Yang, Zi-Xiang Ni et al. · 0 citations
2026

TFVP-MLLM: Training-Free Visual Prompting Multimodal Large Language Model for Remote Sensing Image Classification

The multimodal large language models (MLLMs) have achieved breakthroughs in remote sensing applications because of their powerful cross-modal understanding, enabling effective alignment between linguistic descriptions and visual data. However, the existing MLLM-based approaches still suffer from challenges, such as ina...

Yifei Xu, Zi-Xiang Ni, Pingping Wei et al. · 0 citations

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