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From the 1 of 10 linked papers with an AI index.

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20242026
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cs.IR2026

LLM-Based User Personas for Recommendations at Scale

Haoting Wang, Haokai Lu, Zheyun Feng +14

The paper presents a framework that uses large language models to generate natural-language user interest personas in real time for a large‑scale video recommendation system, emplo…

cs.IR2026

Can Explanations Improve Recommendations? Evidence from Prediction-Informed Explanations

Yuyan Wang, Pan Li, Minmin Chen

Recommender systems are central to digital platforms, yet they face a fundamental trade-off between accuracy and explainability. Black-box models achieve strong performance but lac…

cs.IR2025

Serendipitous Recommendation with Multimodal LLM

Haoting Wang, Jianling Wang, Hao Li +9

Conventional recommendation systems succeed in identifying relevant content but often fail to provide users with surprising or novel items. Multimodal Large Language Models (MLLMs)…

cs.IR2025

User Feedback Alignment for LLM-powered Exploration in Large-scale Recommendation Systems

Jianling Wang, Yifan Liu, Yinghao Sun +11

Exploration, the act of broadening user experiences beyond their established preferences, is challenging in large-scale recommendation systems due to feedback loops and limited sig…

cs.IR2025

Beyond Item Dissimilarities: Diversifying by Intent in Recommender Systems

Yuyan Wang, Cheenar Banerjee, Samer Chucri +4

It has become increasingly clear that recommender systems that overly focus on short-term engagement prevents users from exploring diverse interests, ultimately hurting long-term u…