Author

Haolun Wu

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#artificial intelligence May 2026

QUACK: Questioning, Understanding, and Auditing Communicated Knowledge in Multimodal Social Deduction Agents

Evaluating three frontier VLMs in both homogeneous and cross-model adversarial settings, it is found that even the strongest agent hallucinates 15.1% of its verifiable spatial claims and 11.5% of accusations are strictly unsupported.

Ye Yuan, Ruiqi Song, Wei-En Li et al. · arXiv.org · 2 citations

Preprint Aug 2026

Harness the Memory: A Holistic Evaluation of Memory Substrates in Memory Agents

A controlled harness evaluation of memory substrates for memory-augmented agents, covering dense and sparse indices, text records, structural stores, hierarchical stores, refinement-based memories, parametric updates, and activation-compatible context mechanisms, shows that no single substrate consistently dominates.

Wei-Chieh Huang, Wei-Zhi Zhang, Yu-Chen Wu et al. · 2 citations