Detect-Then-Resolve: Enhancing Knowledge Graph Conflict Resolution with Large Language Model

Author:

Peng Huang1,Zhang Pengfei2ORCID,Tang Jiuyang1,Xu Hao1,Zeng Weixin1

Affiliation:

1. Laboratory for Big Data and Decision, National University of Defense Technology, Changsha 410073, China

2. National Key Laboratory of Information Systems Engineering, National University of Defense Technology, Changsha 410073, China

Abstract

Conflict resolution for knowledge graphs (KGs) is a critical technique in knowledge fusion, ensuring the resolution of conflicts between existing KGs and external knowledge while maintaining post-fusion accuracy. However, current approaches often encounter difficulties with external triples involving unseen entities due to limited knowledge. Moreover, current methodologies typically overlook conflict detection prior to resolution, a crucial step for accurate truth inference. This paper introduces CRDL, an innovative approach that leverages conflict detection and large language models (LLMs) to identify truths. By employing conflict detection, we implement precise filtering strategies tailored to various types of relations and attributes. By designing prompts and injecting relevant information into an LLM, we identify triples with unseen entities. Experimental results demonstrate the superiority of CRDL over baseline methods. Specifically, our method surpasses the state-of-the-art by achieving a 56.4% improvement in recall and a 68.2% increase in F1-score. These results clearly illustrate the enhanced performance and effectiveness of our approach. Additionally, ablation studies and further analyses underscore the importance of the components within CRDL.

Funder

National Key R&D Program of China

NSFC

Publisher

MDPI AG

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