论文标题

Deepgar:类似推理的深图学习

DeepGAR: Deep Graph Learning for Analogical Reasoning

论文作者

Ling, Chen, Chowdhury, Tanmoy, Jiang, Junji, Wang, Junxiang, Zhang, Xuchao, Chen, Haifeng, Zhao, Liang

论文摘要

类比推理是从目标受试者发现和映射对应关系的过程。作为类似推理的最著名的计算方法,结构映射理论(SMT)将目标和基础受试者都抽到关系图中,并通过在目标图中找到相应的子图(即对应图),形成了类似推理的认知过程,与基础图对齐。但是,由于几个障碍,将SMT深入学习的深度学习仍然不足:1)在目标图中搜索对应关系的组合复杂性; 2)对应开采受各种认知理论驱动的约束的限制。为了应对这两个挑战,我们为类似推理(DeepGar)提出了一个新颖的框架,该框架通过确保认知理论驱动的约束来确定源和目标域之间的对应关系。具体而言,我们设计了一个几何约束嵌入空间,以诱导来自节点嵌入的子图关系,以进行有效的子图搜索。此外,我们制定了新颖的学习和优化策略,这些策略可以端到端识别严格与认知理论驱动的约束相一致的对应关系。对合成和实际数据集进行了广泛的实验,以证明拟议的Deepgar对现有方法的有效性。

Analogical reasoning is the process of discovering and mapping correspondences from a target subject to a base subject. As the most well-known computational method of analogical reasoning, Structure-Mapping Theory (SMT) abstracts both target and base subjects into relational graphs and forms the cognitive process of analogical reasoning by finding a corresponding subgraph (i.e., correspondence) in the target graph that is aligned with the base graph. However, incorporating deep learning for SMT is still under-explored due to several obstacles: 1) the combinatorial complexity of searching for the correspondence in the target graph; 2) the correspondence mining is restricted by various cognitive theory-driven constraints. To address both challenges, we propose a novel framework for Analogical Reasoning (DeepGAR) that identifies the correspondence between source and target domains by assuring cognitive theory-driven constraints. Specifically, we design a geometric constraint embedding space to induce subgraph relation from node embeddings for efficient subgraph search. Furthermore, we develop novel learning and optimization strategies that could end-to-end identify correspondences that are strictly consistent with constraints driven by the cognitive theory. Extensive experiments are conducted on synthetic and real-world datasets to demonstrate the effectiveness of the proposed DeepGAR over existing methods.

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