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Alexander Zhou

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#artificial intelligence Preprint Sep 2026

CollageAttack: Exploiting Cross-Modal Alignment Flaws in T2I Models through Spatial Text Composition

Text-to-image (T2I) models have substantially improved in language understanding, in-image text rendering, and visual composition, while their safety mechanisms do not always keep pace with these capabilities. This creates a cross-modal attack surface in which harmful semantics can remain inconspicuous in a serialized...

Zhi-Yi Mou, Yao Lu, Wang-Ze Ni et al. · 0 citations
Review Aug 2026

Graph Foundation Models: State of the Art and Future Directions

This tutorial will help researchers and practitioners from the database and data management community understand the major implementation paths and open problems in Graph Foundation Models.

Alexander Zhou, Hao-Yang Li, Lei Chen · 0 citations

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