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cs.AI2026
PermVLA: Factorization Order as a Regularizer for VLA Learning
Yanqiao Chen, Yuhan Rui, Dongsheng Hou +3
Vision-language-action (VLA) policies commonly learn action chunks through a fixed left-to-right (LTR) factorization, although the same expert trajectory distribution admits many v…
cs.AI2026
Shapley Context Pruning: A Cooperative Game Perspective for Context Reranking and Pruning
Yanqiao Chen, Dongsheng Hou, Yuhan Rui +2
Context reranking and pruning have become essential for improving the efficiency of modern Retrieval-Augmented Generation (RAG) systems, yet an interpretable and unified framework…
cs.AI2026
LABSHIELD: A Multimodal Benchmark for Safety-Critical Reasoning and Planning in Scientific Laboratories
Qianpu Sun, Xiaowei Chi, Yuhan Rui +5
Artificial intelligence is increasingly catalyzing scientific automation, with multimodal large language model (MLLM) agents evolving from lab assistants into self-driving lab oper…