2 papers
cs.IR2026
Is Personalized Modality Weighting Actually Personalized? A Controlled Audit of Per-User Weighting Claims in Multimodal Recommenders
Jingyuan Zheng, Xin Zhang, Yang Gu +6
Per-user modality weighting is deployed at billion-user scale in multimodal recommenders, through user modality-strength vectors, attention gates, meta-weight hypernetworks, and lo…
cs.IR2026
SkillSelect-Serve: QoS-Aware Budgeted Skill Service Recommendation for LLM Agents
Jingyuan Zheng, Dongjing Wang, Xin Zhang +7
Reusable agent skills are emerging as a service-oriented capability layer for Large Language Model (LLM) agents. Unlike plain retrieval items, a skill exposes functional capabiliti…