Highly Efficient Knowledge Graph Embedding Learning with Orthogonal Procrustes Analysis

Xutan Peng, Guanyi Chen, Chenghua Lin, Mark Stevenson

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    Knowledge Graph Embeddings (KGEs) have been intensively explored in recent years due to their promise for a wide range of applications. However, existing studies focus on improving the final model performance without acknowledging the computational cost of the proposed approaches, in terms of execution time and environmental impact. This paper proposes a simple yet effective KGE framework which can reduce the training time and carbon footprint by orders of magnitudes compared with state-of-the-art approaches, while producing competitive performance. We highlight three technical innovations: full batch learning via relational matrices, closed-form Orthogonal Procrustes Analysis for KGEs, and non-negative-sampling training. In addition, as the first KGE method whose entity embeddings also store full relation information, our trained models encode rich semantics and are highly interpretable. Comprehensive experiments and ablation studies involving 13 strong baselines and two standard datasets verify the effectiveness and efficiency of our algorithm.
    Original languageEnglish
    Title of host publicationProceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies
    EditorsKristina Toutanova, Anna Rumshisky, Luke Zettlemoyer, Dilek Hakkani-Tur, Iz Beltagy, Steven Bethard, Ryan Cotterell, Tanmoy Chakraborty, Yichao Zhou
    Place of PublicationOnline
    PublisherAssociation for Computational Linguistics
    Pages2364-2375
    Number of pages12
    DOIs
    Publication statusPublished - 1 Jun 2021

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