提出动态规划+多源证据的智能验证系统,提升知识图谱三元组可信度。
Schema-Aware Planning and Hybrid Knowledge Toolset for Reliable Knowledge Graph Triple Verification
- 将三元组验证转化为动态规划与主动探查过程
- 在两个数据集上分别提升4.2%和12.9%准确率
- 支持透明证据链,适合复杂事实验证场景
知识图谱是人工智能系统的关键基础,但自动化构建常引入噪声,影响数据可信度。现有三元组验证方法依赖图嵌入或语言模型,往往存在单一来源偏差,且采用静态推理范式,难以处理复杂或长尾事实,可解释性差。为此,我们提出SHARP(Schema-Hybrid Agent for Reliable Prediction),一种无需训练的自主智能体,将三元组验证重构为战略规划、主动调查与证据推理的动态过程。具体地,SHARP结合记忆增强机制与模式感知战略规划以提升推理稳定性,并采用改进的ReAct循环与混合知识工具集,动态融合内部图结构与外部文本证据进行交叉验证。在FB15K-237和Wikidata5M-Ind上的实验表明,SHARP显著优于现有最优基线,准确率分别提升4.2%和12.9%。此外,SHARP能生成透明、基于事实的证据链,展现出强可解释性与复杂验证任务下的鲁棒性。
原文摘要 · Abstract (English)
Knowledge Graphs (KGs) serve as a critical foundation for AI systems, yet their automated construction inevitably introduces noise, compromising data trustworthiness. Existing triple verification methods, based on graph embeddings or language models, often suffer from single-source bias by relying on either internal structural constraints or external semantic evidence, and usually follow a static inference paradigm. As a result, they struggle with complex or long-tail facts and provide limited interpretability. To address these limitations, we propose SHARP (Schema-Hybrid Agent for Reliable Prediction), a training-free autonomous agent that reformulates triple verification as a dynamic process of strategic planning, active investigation, and evidential reasoning. Specifically, SHARP combines a Memory-Augmented Mechanism with Schema-Aware Strategic Planning to improve reasoning stability, and employs an enhanced ReAct loop with a Hybrid Knowledge Toolset to dynamically integrate internal KG structure and external textual evidence for cross-verification. Experiments on FB15K-237 and Wikidata5M-Ind show that SHARP significantly outperforms existing state-of-the-art baselines, achieving accuracy gains of 4.2% and 12.9%, respectively. Moreover, SHARP provides transparent, fact-based evidence chains for each judgment, demonstrating strong interpretability and robustness for complex verification tasks.
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