Yue Xu — Papers on Cortexa

arxivcs.HC2026-07-10

KnitID: Machine-Knitted RFID Antennas for Battery-Free Authentication, Localization and Interaction

Weiye Xu, Yue Xu, Devin Murphy, Sen Zhang, Te-yen Wu, Yiyue Luo

Battery-free RFID systems offer a scalable and maintenance-free approach to interaction. We present KnitID, a machine-knitted textile RFID antenna design that enables on-body authentication, localization, and interaction. Unlike prior antenna designs, KnitID achieves a compact an…

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arxivcs.AI2026-07-07

From Passive Retrieval to Active Memory Navigation: Learning to Use Memory as a Structured Action Space

Yue Xu, Yutao Sun, Yihao Liu, Mengyu Zhou, Jiayi Qiao, Lu Ma, et al.

Long-term user memory is essential for personalized conversational agents, yet many memory systems still expose memory through passive retrieval interfaces, making the model a consumer of pre-selected evidence. We introduce NapMem, a framework for learning to use long-term user m…

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