A Hierarchical Language Model For Interpretable Graph Reasoning
On the map: LLM reasoning → Knowledge- and tool-augmented reasoning
Abstract (arXiv)
Large language models (LLMs) are being increasingly explored for graph tasks. Despite their remarkable success in text-based tasks, LLMs' capabilities in understanding explicit graph structures remain limited, particularly with large graphs. In this work, we introduce Hierarchical Language Model for Graph (HLM-G), which employs a two-block architecture to capture node-centric local information and interaction-centric global structure, effectively enhancing graph structure understanding abilities. The proposed scheme allows LLMs to address various graph queries with high efficacy, efficiency, and robustness, while reducing computational costs on large-scale graph tasks. Furthermore, we demonstrate the interpretability of our model using intrinsic attention weights and established explainers. Comprehensive evaluations across diverse graph reasoning and real-world tasks of node, link, and graph-levels highlight the superiority of our method, marking a significant advancement in the application of LLMs to graph understanding.
Key facts. Cited by 3 papers in the map (data through 7 Oct 2026). Placed in Knowledge- and tool-augmented reasoning, one of 17 directions in LLM reasoning. Builds on 44 of its 93 references that are in the map. First posted on arXiv 29 Oct 2024.
Builds on
44 of 93 references.
Closest ancestors · 5
Same direction, newest first
- 2024GraphInstruct: Empowering Large Language Models with Graph Understanding and Reasoning Capability7 Mar
- 2024GraphWiz: An Instruction-Following Language Model for Graph Problems25 Feb
- 2024InstructGraph: Boosting Large Language Models via Graph-centric Instruction Tuning and Preference Alignment13 Feb
- 2023GraphLLM: Boosting Graph Reasoning Ability of Large Language Model9 Oct
- 2023GraphText: Graph Reasoning in Text Space2 Oct
Other references · 39
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