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Xiaobo Wang

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#small language model Preprint Oct 2026

STP-GUI: Spatially-Aware Token Pruning for Efficient Web-GUI Agents

STP-GUI (Spatially-aware Token Pruning for GUI agents), a query-guided token pruning framework that preserves fine-grained instruction-conditioned token scoring while performing spatially coherent window-level selection under aggressive token reduction is proposed.

Shuo Wang, Si-Fan Zhou, Xiao-Bo Wang et al. · 0 citations
Jul 2026

Dive Into the Implicit Biases of Low-rank Vision-language Alignment

This work systematically characterize the implicit biases introduced by low-rank adaptation during alignment and establishes two theorems showing that low-rank alignment induces preferences for parameter subspaces with flat gradients and feature subspaces robust to perturbations, providing a principled explanation for...

Mingjia Shi, Shuo Wang, Xiaobo Wang et al. · 0 citations

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