cs.AI updates on arXiv.org 07月11日 12:03
Context Pooling: Query-specific Graph Pooling for Generic Inductive Link Prediction in Knowledge Graphs
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本文提出一种名为Context Pooling的新方法,旨在提升基于图神经网络(GNN)的模型在知识图谱(KGs)中的链接预测效果。该方法首次在KGs中应用图池化技术,并生成针对查询的特定图,以实现更精准的链接预测。

arXiv:2507.07595v1 Announce Type: new Abstract: Recent investigations on the effectiveness of Graph Neural Network (GNN)-based models for link prediction in Knowledge Graphs (KGs) show that vanilla aggregation does not significantly impact the model performance. In this paper, we introduce a novel method, named Context Pooling, to enhance GNN-based models' efficacy for link predictions in KGs. To our best of knowledge, Context Pooling is the first methodology that applies graph pooling in KGs. Additionally, Context Pooling is first-of-its-kind to enable the generation of query-specific graphs for inductive settings, where testing entities are unseen during training. Specifically, we devise two metrics, namely neighborhood precision and neighborhood recall, to assess the neighbors' logical relevance regarding the given queries, thereby enabling the subsequent comprehensive identification of only the logically relevant neighbors for link prediction. Our method is generic and assessed by being applied to two state-of-the-art (SOTA) models on three public transductive and inductive datasets, achieving SOTA performance in 42 out of 48 settings.

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知识图谱 图神经网络 链接预测 Context Pooling 模型评估
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