RAGraph: A General Retrieval-Augmented Graph Learning Framework

• URL: http://arxiv.org/abs/2410.23855v2
• Date: Sat, 07 Dec 2024 10:34:41 GMT
• Title: RAGraph: A General Retrieval-Augmented Graph Learning Framework
• Authors: Xinke Jiang, Rihong Qiu, Yongxin Xu, Wentao Zhang, Yichen Zhu, Ruizhe Zhang, Yuchen Fang, Xu Chu, Junfeng Zhao, Yasha Wang,
• Abstract summary: We introduce a novel framework called General Retrieval-Augmented Graph Learning (RAGraph) RAGraph brings external graph data into the general graph foundation model to improve model generalization on unseen scenarios. During inference, the RAGraph adeptly retrieves similar toy graphs based on key similarities in downstream tasks.
• Score: 35.25522856244149
• License:
• Abstract: Graph Neural Networks (GNNs) have become essential in interpreting relational data across various domains, yet, they often struggle to generalize to unseen graph data that differs markedly from training instances. In this paper, we introduce a novel framework called General Retrieval-Augmented Graph Learning (RAGraph), which brings external graph data into the general graph foundation model to improve model generalization on unseen scenarios. On the top of our framework is a toy graph vector library that we established, which captures key attributes, such as features and task-specific label information. During inference, the RAGraph adeptly retrieves similar toy graphs based on key similarities in downstream tasks, integrating the retrieved data to enrich the learning context via the message-passing prompting mechanism. Our extensive experimental evaluations demonstrate that RAGraph significantly outperforms state-of-the-art graph learning methods in multiple tasks such as node classification, link prediction, and graph classification across both dynamic and static datasets. Furthermore, extensive testing confirms that RAGraph consistently maintains high performance without the need for task-specific fine-tuning, highlighting its adaptability, robustness, and broad applicability.

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