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20242026
most citedChallenging Low Homophily in Social Recommendation

1 citations · 1 across the 12 of their papers we have counts for

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cs.IR2026

FOSTER: First-order Dataset Distillation for Text-based Sequential Recommendation

Hung Vinh Tran, Tong Chen, Xinyi Gao +3

Text-based sequential recommender systems, while greatly improving recommendation accuracy by incorporating item contexts, are undeniably more expensive to train. By condensing a l…

cs.IR2026

Prompt-Unknown Promotion Attacks against LLM-based Sequential Recommender Systems

Yuchuan Zhao, Tong Chen, Junliang Yu +3

Large language model-powered sequential recommender systems (LLM-SRSs) have recently demonstrated remarkable performance, enabling recommendations through prompt-driven inference o…

cs.IR2026

Evolutionary Router Feature Generation for Zero-Shot Graph Anomaly Detection with Mixture-of-Experts

Haiyang Jiang, Tong Chen, Xinyi Gao +3

Zero-shot graph anomaly detection (GAD) has attracted increasing attention recent years, yet the heterogeneity of graph structures, features, and anomaly patterns across graphs mak…

cs.IR2026

When Text-as-Vision Meets Semantic IDs in Generative Recommendation: An Empirical Study

Shutong Qiao, Wei Yuan, Tong Chen +3

Semantic ID learning is a key interface in Generative Recommendation (GR) models, mapping items to discrete identifiers grounded in side information, most commonly via a pretrained…

cs.IR2025

ProEx: A Unified Framework Leveraging Large Language Model with Profile Extrapolation for Recommendation

Yi Zhang, Yiwen Zhang, Yu Wang +2

The powerful text understanding and generation capabilities of large language models (LLMs) have brought new vitality to general recommendation with implicit feedback. One possible…

cs.IR2025

Towards Distribution Matching between Collaborative and Language Spaces for Generative Recommendation

Yi Zhang, Yiwen Zhang, Yu Wang +2

Generative recommendation aims to learn the underlying generative process over the entire item set to produce recommendations for users. Although it leverages non-linear probabilis…