Author

Y. Liu

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#artificial intelligence Preprint Oct 2026

Have I Scene This Before? Spatially Grounded Conversational Memory for Complex Queries in Egocentric Assistants

Egocentric assistants must connect what users say with what they see across long interaction histories. We formalize this challenge as Spatially grounded Conversational Reasoning (SpaCR): cross-scene, recall-oriented, and counterfactual spatial queries that combine user-stated facts with geometric evidence. Direct visi...

Jiazhou Liang, Liam Gallagher, Kiko Chen et al. · 0 citations

#artificial intelligence Jun 2026

SafeGEO: Understanding Generative Engine Optimization Risks in Recommendation Agents

SafeGEO is constructed, an evaluation suite with 22 GEO attack variants across 600 recommendation cases that empirically show that GEO attacks can promote flawed target products and whether agent-side design choices can mitigate this risk.

Qian-Feng Wen, Y. Liu, Xin Liu et al. · arXiv.org · 5 citations · ⚡1