Research on Yuchen Duhttps://dudusoar.github.io/categories/research/Recent content in Research on Yuchen DuHugo -- 0.164.0en-usMon, 10 Aug 2026 00:00:00 +0000Reviewing the Reviewer: Graph-Enhanced LLMs for E-commerce Appeal Adjudicationhttps://dudusoar.github.io/papers/amazon-rj/Thu, 26 Feb 2026 20:00:00 -0500https://dudusoar.github.io/papers/amazon-rj/A two-stage LLM agent that uses RAG with graph-based memory to ground fraud-related seller-appeal recommendations in evidence, verification actions, and historical human corrections.Designing Sidewalk Delivery Robot Fleets Under Uncertaintyhttps://dudusoar.github.io/papers/sdr-two-stage/Mon, 12 Jan 2026 10:00:00 -0500https://dudusoar.github.io/papers/sdr-two-stage/A two-stage stochastic optimization framework for fleet and battery sizing of sidewalk delivery robots under uncertain demand.Understanding Social Perceptions of Sidewalk Delivery Robots via YouTube Sentiment Analysishttps://dudusoar.github.io/papers/youtube-sc/Thu, 08 Jan 2026 10:00:00 -0500https://dudusoar.github.io/papers/youtube-sc/A data-driven study leveraging YouTube comments to uncover public perceptions, safety concerns, and social acceptance of sidewalk delivery robots.