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Author

Yi-Wei Xu

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Preprint Aug 2026

DocPC: Document-Level Visual Retrieval via Representative Page Composition

This work proposes DocPC, a document-level visual retrieval framework based on Representative Page Composition, and introduces DocViRe, a benchmark with multi-positive relevance annotations that combines multi-positive contrastive learning with sparsely scheduled listwise optimization.

Chengcheng You, Qi Jiang, Junyi Zhou et al. · 0 citations
Preprint Aug 2026

ProRetrieval: Learning to Orchestrate Hybrid Search via Executable Program Synthesis

This work proposes ProRetrieval, which recasts the language model as a retrieval orchestrator: given a natural-language query, it synthesizes an executable program in a hybrid DSL interleaving SQL operators over structured fields with vector-retrieval primitives over text and images, with SQL itself providing the logic...

Chengcheng You, Zhen Sun, Yunhai Hu et al. · 0 citations
Review Aug 2026

Security of Foundation-Model-Powered Embodied Agents: Attack Surfaces, Attacks, Defenses, and Evaluation

This work presents a trust-boundary-centric survey of foundation-model-powered embodied-agent security, and shows that attack research is concentrated on multimodal perception and action interfaces, while defenses are especially concentrated on action-level and runtime protection.

Jiawei Liu, Jia-Cheng Guo, Tian Zhang et al. · 0 citations

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