SynGR: Unleashing the Potential of Cross-Modal Synergy for Generative Recommendation
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866909055005491200 |
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| author | Chen, Wei Guo, Xingyu Li, Shuang Zhang, Fuwei Yuan, Meng Fan, Jing Zhang, Zhao Wang, Deqing Zhuang, Fuzhen |
| author_facet | Chen, Wei Guo, Xingyu Li, Shuang Zhang, Fuwei Yuan, Meng Fan, Jing Zhang, Zhao Wang, Deqing Zhuang, Fuzhen |
| contents | Generative Recommendation (GR) has emerged as a promising paradigm by formulating item recommendation as a sequence-to-sequence generation task over item identifiers. Recent studies have incorporated multimodal signals to provide richer token-level evidence for generation. However, existing approaches largely rely on alignment-centric fusion and underexplore synergistic information across modalities. In practice, synergistic information plays a critical role in capturing emergent item properties that cannot be inferred from any single modality alone. Such properties encode intrinsic item semantics and guide user preferences, enabling models to move beyond surface-level feature matching. To address this limitation, we propose \textbf{SynGR}, a synergistic generative recommendation framework that explicitly encourages the exploitation of cross-modal dependencies during generation. By constraining overreliance on dominant modalities, SynGR enables the model to capture emergent item semantics beyond shared or modality-specific signals. Extensive experiments across three benchmark datasets demonstrate that SynGR achieves superior performance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_18920 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | SynGR: Unleashing the Potential of Cross-Modal Synergy for Generative Recommendation Chen, Wei Guo, Xingyu Li, Shuang Zhang, Fuwei Yuan, Meng Fan, Jing Zhang, Zhao Wang, Deqing Zhuang, Fuzhen Information Retrieval Artificial Intelligence Generative Recommendation (GR) has emerged as a promising paradigm by formulating item recommendation as a sequence-to-sequence generation task over item identifiers. Recent studies have incorporated multimodal signals to provide richer token-level evidence for generation. However, existing approaches largely rely on alignment-centric fusion and underexplore synergistic information across modalities. In practice, synergistic information plays a critical role in capturing emergent item properties that cannot be inferred from any single modality alone. Such properties encode intrinsic item semantics and guide user preferences, enabling models to move beyond surface-level feature matching. To address this limitation, we propose \textbf{SynGR}, a synergistic generative recommendation framework that explicitly encourages the exploitation of cross-modal dependencies during generation. By constraining overreliance on dominant modalities, SynGR enables the model to capture emergent item semantics beyond shared or modality-specific signals. Extensive experiments across three benchmark datasets demonstrate that SynGR achieves superior performance. |
| title | SynGR: Unleashing the Potential of Cross-Modal Synergy for Generative Recommendation |
| topic | Information Retrieval Artificial Intelligence |
| url | https://arxiv.org/abs/2605.18920 |