Cited by 146Topic ModelingMultimodal Machine Learning ApplicationsNatural Language Processing Techniques

E-BERT: Efficient-Yet-Effective Entity Embeddings for BERT

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Poerner, Nina, Waltinger, Ulli, Schütze, Hinrich·2020·Findings of the Association for Computational Linguistics: EMNLP 2020

Abstract

We present a novel way of injecting factual knowledge about entities into the pretrained BERT model ( Devlin et al., 2019): We align Wikipedia2Vec entity vectors (Yamada et al., 2016) with BERT's native wordpiece vector space and use the aligned entity vectors as if they were wordpiece vectors.The resulting entity-enhanced version of BERT (called E-BERT) is similar in spirit to ERNIE (Zhang et al., 2019) and KnowBert (Peters et al., 2019), but it requires no expensive further pretraining of the BERT encoder.We evaluate E-BERT on unsupervised question answering (QA), supervised relation classification (RC) and entity linking (EL).On all three tasks, E-BERT outperforms BERT and other baselines.We also show quantitatively that the original BERT model is overly reliant on the surface form of entity names (e.g., guessing that someone with an Italian-sounding name speaks Italian), and that E-BERT mitigates this problem.

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Crossref · 10.18653/v1/2020.findings-emnlp.71

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  • Large language models have the ability to retrieve factual knowledge as explicit knowledge bases, presenting an opportunity to construct more comprehensive knowledge graphs within recommender systems.

    “The ability of Large Language Models to retrieve factual knowledge as explicit knowledge bases [53-56, 56-61] has been stirred discussed, which presents an opportunity to construct more comprehensive knowledge graphs within recommender systems.”

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Authors
Poerner, N., Waltinger, U., & Schütze, H.
Affiliations
  • Siemens (Germany) (DE)
  • Ludwig-Maximilians-Universität München (DE)
Venue
Findings of the Association for Computational Linguistics: EMNLP 2020
Published
2020
Pages
803-818
OpenAlex
W3021191241
Cited by
146
References
33
Citations by year
2026: 5 · 2025: 11 · 2024: 21 · 2023: 24 · 2022: 34 · 2021: 34 · 2020: 15 · 2019: 1 · 2018: 1
FWCI
10.21
Type
conference paper
Language
en
Open access
Licence
cc-by
Locations
  • Findings of the Association for Computational Linguistics: EMNLP (Findings of EMNLP) (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
Siemens
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
Keywords
entity embeddings, BERT, knowledge injection, relation classification, entity linking

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