collaborators

30 papers

cs.IR2026

Neural Tree Collaborative Filtering: Rethinking Graph Collaborative Filtering as Tree Collaborative Filtering with Curvature-Aware Propagation Depth

Jinfeng Xu, Zheyu Chen, Ziyue Peng +5

Graph Collaborative Filtering (GCF) has become the dominant paradigm in modern recommender systems by modeling user-item interactions as a bipartite graph and propagating embedding…

cs.LG2026

F2STNet: Fair and Federated Spectral-Temporal Modeling for Graph Forecasting

Jiayi Zhang, Jinfeng Xu, Hewei Wang +7

Spatiotemporal prediction on graph-structured data is central to traffic forecasting and environmental monitoring, yet decentralized and heterogeneous data complicate both sequence…

cs.IR2026

One Graph, Multiple Gains: Single High-Quality Item-Item Graph for Multimodal Recommendation

Jinfeng Xu, Zheyu Chen, Ziyue Peng +6

Multimodal recommendation leverages item multimodal features alongside collaborative signals to capture user preferences. While item-item graphs have become a key building block in…

cs.CR2026

TIF: Learning Temporal Invariance in Android Malware Detectors

Xinran Zheng, Shuo Yang, Edith C. H. Ngai +2

Learning-based Android malware detectors degrade over time due to natural distribution drift caused by malware variants and new families. This paper systematically investigates the…

cs.CL2026

LATTE: Forecasting Peer Anchored Preference Trajectories for Personalized LLM Generation

Jinze Li, Xiaoyan Yang, Shuo Yang +5

Personalized generation with frozen large language models requires a conditioning signal that is both compact and current. Existing personalization methods typically retrieve or su…

cs.CL2026

Beyond the Target: From Imitation to Collaboration in Speculative Decoding

Jinze Li, Yixing Xu, Guanchen Li +7

Speculative decoding (SPD) accelerates large language model (LLM) inference by letting a smaller draft model propose multiple future tokens that are verified in parallel by a large…