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A Simple Approach to Case-Based Reasoning in Knowledge Bases

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arxiv 2006.14198 v2 pith:M4ZTAFFJ submitted 2020-06-25 cs.CL

A Simple Approach to Case-Based Reasoning in Knowledge Bases

classification cs.CL
keywords approachreasoningcase-basedentityfindinggivenknowledgeoutperforming
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a surprisingly simple yet accurate approach to reasoning in knowledge graphs (KGs) that requires \emph{no training}, and is reminiscent of case-based reasoning in classical artificial intelligence (AI). Consider the task of finding a target entity given a source entity and a binary relation. Our non-parametric approach derives crisp logical rules for each query by finding multiple \textit{graph path patterns} that connect similar source entities through the given relation. Using our method, we obtain new state-of-the-art accuracy, outperforming all previous models, on NELL-995 and FB-122. We also demonstrate that our model is robust in low data settings, outperforming recently proposed meta-learning approaches

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