Bootstrapping Heterogeneous Graph Representation Learning via Large Language Models: A Generalized Approach
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866917934904901632 |
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| author | Gao, Hang Zhang, Chenhao Wu, Fengge Zhao, Junsuo Zheng, Changwen Liu, Huaping |
| author_facet | Gao, Hang Zhang, Chenhao Wu, Fengge Zhao, Junsuo Zheng, Changwen Liu, Huaping |
| contents | Graph representation learning methods are highly effective in handling complex non-Euclidean data by capturing intricate relationships and features within graph structures. However, traditional methods face challenges when dealing with heterogeneous graphs that contain various types of nodes and edges due to the diverse sources and complex nature of the data. Existing Heterogeneous Graph Neural Networks (HGNNs) have shown promising results but require prior knowledge of node and edge types and unified node feature formats, which limits their applicability. Recent advancements in graph representation learning using Large Language Models (LLMs) offer new solutions by integrating LLMs' data processing capabilities, enabling the alignment of various graph representations. Nevertheless, these methods often overlook heterogeneous graph data and require extensive preprocessing. To address these limitations, we propose a novel method that leverages the strengths of both LLM and GNN, allowing for the processing of graph data with any format and type of nodes and edges without the need for type information or special preprocessing. Our method employs LLM to automatically summarize and classify different data formats and types, aligns node features, and uses a specialized GNN for targeted learning, thus obtaining effective graph representations for downstream tasks. Theoretical analysis and experimental validation have demonstrated the effectiveness of our method. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_08038 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Bootstrapping Heterogeneous Graph Representation Learning via Large Language Models: A Generalized Approach Gao, Hang Zhang, Chenhao Wu, Fengge Zhao, Junsuo Zheng, Changwen Liu, Huaping Machine Learning Computation and Language Social and Information Networks Graph representation learning methods are highly effective in handling complex non-Euclidean data by capturing intricate relationships and features within graph structures. However, traditional methods face challenges when dealing with heterogeneous graphs that contain various types of nodes and edges due to the diverse sources and complex nature of the data. Existing Heterogeneous Graph Neural Networks (HGNNs) have shown promising results but require prior knowledge of node and edge types and unified node feature formats, which limits their applicability. Recent advancements in graph representation learning using Large Language Models (LLMs) offer new solutions by integrating LLMs' data processing capabilities, enabling the alignment of various graph representations. Nevertheless, these methods often overlook heterogeneous graph data and require extensive preprocessing. To address these limitations, we propose a novel method that leverages the strengths of both LLM and GNN, allowing for the processing of graph data with any format and type of nodes and edges without the need for type information or special preprocessing. Our method employs LLM to automatically summarize and classify different data formats and types, aligns node features, and uses a specialized GNN for targeted learning, thus obtaining effective graph representations for downstream tasks. Theoretical analysis and experimental validation have demonstrated the effectiveness of our method. |
| title | Bootstrapping Heterogeneous Graph Representation Learning via Large Language Models: A Generalized Approach |
| topic | Machine Learning Computation and Language Social and Information Networks |
| url | https://arxiv.org/abs/2412.08038 |