FusionAdapter for Few-Shot Relation Learning in Multimodal Knowledge Graphs

• URL: http://arxiv.org/abs/2510.00894v1
• Date: Wed, 01 Oct 2025 13:36:56 GMT
• Title: FusionAdapter for Few-Shot Relation Learning in Multimodal Knowledge Graphs
• Authors: Ran Liu, Yuan Fang, Xiaoli Li,
• Abstract summary: Multimodal Knowledge Graphs (MMKGs) incorporate various modalities, including text and images, to enhance entity and relation representations.<n>We propose FusionAdapter for the learning of few-shot relationships in MMKGs.<n>By effectively adapting and fusing information from diverse modalities, FusionAdapter improves generalization to novel relations with minimal supervision.
• Score: 15.157416257109809
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multimodal Knowledge Graphs (MMKGs) incorporate various modalities, including text and images, to enhance entity and relation representations. Notably, different modalities for the same entity often present complementary and diverse information. However, existing MMKG methods primarily align modalities into a shared space, which tends to overlook the distinct contributions of specific modalities, limiting their performance particularly in low-resource settings. To address this challenge, we propose FusionAdapter for the learning of few-shot relationships (FSRL) in MMKG. FusionAdapter introduces (1) an adapter module that enables efficient adaptation of each modality to unseen relations and (2) a fusion strategy that integrates multimodal entity representations while preserving diverse modality-specific characteristics. By effectively adapting and fusing information from diverse modalities, FusionAdapter improves generalization to novel relations with minimal supervision. Extensive experiments on two benchmark MMKG datasets demonstrate that FusionAdapter achieves superior performance over state-of-the-art methods.

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