Author

Ze-Long Sun

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Preprint Open access Sep 2026

AnchorGUI: Asymmetric Memory for Dual-Scale Learning in GUI Navigation

Vision-Language Models (VLMs) enable autonomous GUI navigation, but agents still struggle to process and learn from dense, continuous visual histories. This bottleneck hinders both immediate error correction within a single episode (intra-trial) and experience distillation across multiple attempts (cross-trial). We tra...

Sheng Jin, Ze-Long Sun, H.Eric Xu et al. · 0 citations

Preprint Aug 2026

Learning from Failures: Retrieval-Centric CoT via Hard Negatives for Unified Multimodal Retrieval

This work introduces UniME-R1, an embedder-adviser framework that learns to reason over initially retrieved candidates and generate Retrieval-Centric Chain-of-Thought (RC-CoT), and aligns the adviser with retrieval outcomes through supervised learning and retrieval-oriented reinforcement learning.

Ze-Long Sun, Jun Wang, Kaicheng Yang et al. · 0 citations