Author

Xiang Wang

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Preprint Aug 2026

SA-RSQ: A Versatile Sparse Representation Framework for Multi-modal Recommender Systems

Deploying high-dimensional multimodal features in industrial recommender systems incurs substantial storage and latency overhead. Hard quantization is compact but introduces boundary distortion, whereas dense soft quantization couples representation quality to the limited storage budget. We propose Sparse Activation-ba...

Xiang Wang, Shigang Quan, Tingzhen Chang et al. · 0 citations

Conference Open access Sep 2026

Bridging the Semantic Gap: Leveraging LLMs for Hierarchical Interest Evolution in Sequential Recommendation

The Hierarchical Semantic Interest Evolution Network (HSIEN), a novel generative-discriminative framework that significantly alleviates modality misalignment and enhances CTR prediction performance through feature complementarity, is proposed.

Yi-Fan Cao, Rui Wu, Xiang Wang et al. · Proceedings of the Thirty-Fi... · 0 citations