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cs.LG2026
OGAM: Connecting Systematic Testing to Runtime Assurance through Object-Grounded Attention Monitoring for VLA Policies
Haki Darwish, Xiangyu Yin, Changwen Li +3
Benchmarks expose vision-language-action (VLA) policies to few canonical instructions, while exhaustive deployment testing is impossible. We introduce Object-Grounded Attention Mon…
cs.SE2026
Hierarchical Fault Localization for Autonomous Driving Systems with Hypothesis Validation and Intent Analysis
Rui Zheng, Changwen Li, Yi Ji +1
Comprehensive testing is essential for the safety and reliability of Autonomous Driving Systems (ADS). Existing techniques can detect system-level failures or attribute them to coa…
cs.RO2026
Validating Generalist Robots with Situation Calculus and STL Falsification
Changwen Li, Rongjie Yan, Chih-Hong Cheng +1
Generalist robots are becoming a reality, capable of interpreting natural language instructions and executing diverse operations. However, their validation remains challenging beca…