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From the 1 of 7 linked papers with an AI index.

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7 papers

cs.IR2026

CaIRec: Calibrated Modality Imputation for Incomplete Multimodal Recommendation

Ruiyu Liu, Xiaohao Liu, Miaomiao Cai +2

The paper introduces CaIRec, a two-stage method that fills in missing image or text features for items in multimodal recommender systems while ensuring the recovered modalities are…

cs.MA2026

ForecastAgentSearch: Towards a Multi-Expert Agent Search System for Geopolitical Event Forecasting

Miaomiao Cai, He Chang, Yunshan Ma +1

Geopolitical event forecasting is a challenging task, as it requires understanding complex regional contexts, dynamic event signals, and uncertain future outcomes. Recent advances…

cs.IR2026

Dynamic Spectral Denoising with Global-Context Attention for Multi-Behavior Recommendation

Miaomiao Cai, Yunshan Ma, Fangqi Zhu +5

Multi-behavior recommendation improves target-behavior prediction by exploiting heterogeneous auxiliary feedback (e.g., view, collect, and cart), yet its robustness is undermined b…

cs.IR2026

RMBRec: Robust Multi-Behavior Recommendation towards Target Behaviors

Miaomiao Cai, Zhijie Zhang, Junfeng Fang +3

Multi-behavior recommendation faces a critical challenge in practice: auxiliary behaviors (e.g., clicks, carts) are often noisy, weakly correlated, or semantically misaligned with…

cs.IR2026

Graph-Structured Driven Dual Adaptation for Mitigating Popularity Bias

Miaomiao Cai, Lei Chen, Yifan Wang +3

Popularity bias is a common challenge in recommender systems. It often causes unbalanced item recommendation performance and intensifies the Matthew effect. Due to limited user-ite…

cs.IR2025

Mitigating Recommendation Biases via Group-Alignment and Global-Uniformity in Representation Learning

Miaomiao Cai, Min Hou, Lei Chen +4

Collaborative Filtering~(CF) plays a crucial role in modern recommender systems, leveraging historical user-item interactions to provide personalized suggestions. However, CF-based…