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Non-Parametric Estimation of Multiple Embeddings for Link Prediction on Dynamic Knowledge Graphs

机译:关于动态知识图中链路预测的多个嵌入的非参数估计

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Knowledge graphs play a significant role in many intelligent systems such as semantic search and recommendation systems. Recent works in this area of knowledge graph embeddings such as TransE, TransH and TransR have shown extremely competitive and promising results in relational learning. In this paper, we propose a novel extension of the translational embedding model to solve three main problems of the current models. Firstly, translational models are highly sensitive to hyperparameters such as margin and learning rate. Secondly, the translation principle only allows one spot in vector space for each golden triplet. Thus, congestion of entities and relations in vector space may reduce precision. Lastly, the current models are not able to handle dynamic data especially the introduction of new unseen entities/relations or removal of triplets. In this paper, we propose Parallel Universe TransE (puTransE), an adaptable and robust adaptation of the translational model. Our approach non-parametrically estimates the energy score of a triplet from multiple embedding spaces of structurally and semantically aware triplet selection. Our proposed approach is simple, robust and parallelizable. Our experimental results show that our proposed approach outperforms TransE and many other embedding methods for link prediction on knowledge graphs on both public benchmark dataset and a real world dynamic dataset.
机译:知识图表在许多智能系统(如语义搜索和推荐系统)中发挥着重要作用。最近在这个知识图表中的作品,如Transe,Transh和Transr等嵌入式,已经表现出极具竞争力和有希望的关系学习。在本文中,我们提出了一种新颖的转换嵌入模型的扩展,以解决当前模型的三个主要问题。首先,翻译模型对诸如利润率和学习率的超参数非常敏感。其次,翻译原理只允许每个金色三联网的矢量空间中的一个地方。因此,传染媒介空间中的实体和关系的拥塞可以减少精度。最后,目前的模型不能处理动态数据,尤其是引入新的看不见的实体/关系或移除三胞胎。在本文中,我们提出了平行宇宙(Putranse),适应性和强大的转化模型的适应性。我们的方法在结构和语义意识三态选择的多个嵌入空间中非参数估计三重态的能量分数。我们所提出的方法简单,稳健和并行。我们的实验结果表明,我们所提出的方法优于Transe和许多其他嵌入方法,以便在公共基准数据集和真实世界动态数据集上对知识图表的链接预测。

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