الباحثون

Xiangyi Wang

المنشورات 2

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Right Answers, Costly Models: The Efficiency Gap in LLM-based Optimization Modeling

Zhong Li, Xin Huang, Jinhui Wan وآخرون · 2026

Optimization modeling formulates real-world decision problems as mathematical programs that solvers can use to find optimal decisions. Large language models (LLMs) can automate this process, but the resulting correct formulations can require substantial time and memory to construct and solve, limiting practical scalabi …

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DPed-VLN: A Benchmark for Socially Compliant Vision-and-Language Navigation in Dynamic Pedestrian Environments

Haojie Dai, Xiangyi Wang, Liuyi Wang وآخرون · 2026

Vision-and-language navigation (VLN) has advanced rapidly in static indoor environments, but robots operating in human-populated spaces must ground language while responding to moving pedestrians and social-safety constraints. We present DPed-VLN, a Habitat 3.0 benchmark for dynamic-pedestrian VLN that couples 33,093 n …

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