3 papers
cs.CL2026
Structured Prompt Optimization Meets Reinforcement Learning for Global and Local Interpretability over Complex Text
Tianyang Zhou, Wenbo Chen, Pierre Jinghong Liang +1
LLMs have advanced text classification, yet existing paradigms face a trade-off: supervised (label only) fine-tuning is scalable but offers limited reasoning on complex text and la…
cs.RO2026
HCSG: Human-Centric Semantic-Geometric Reasoning for Vision-Language Navigation
Haoxuan Xu, Tianfu Li, Wenbo Chen +7
VLN has achieved remarkable progress by scaling data and model capacity. However, the assumption of a static environment breaks down in real-world indoor scenarios, where robots in…
cs.AI2026
Rethinking Evaluation for LLM Hallucination Detection: A Desiderata, A New RAG-based Benchmark, New Insights
Wenbo Chen, Veena Padmanabhan, Tootiya Giyahchi +2
Hallucination, broadly referring to unfaithful, fabricated, or inconsistent content generated by LLMs, has wide-ranging implications. Therefore, a large body of effort has been dev…