mlsanityData to 14 Oct 2026

Contextual Representation Learning beyond Masked Language Modeling

arXiv 2204.04163 ↗First posted 8 Apr 2022cs.CLcited by 16

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Abstract (arXiv)

How do masked language models (MLMs) such as BERT learn contextual representations? In this work, we analyze the learning dynamics of MLMs. We find that MLMs adopt sampled embeddings as anchors to estimate and inject contextual semantics to representations, which limits the efficiency and effectiveness of MLMs. To address these issues, we propose TACO, a simple yet effective representation learning approach to directly model global semantics. TACO extracts and aligns contextual semantics hidden in contextualized representations to encourage models to attend global semantics when generating contextualized representations. Experiments on the GLUE benchmark show that TACO achieves up to 5x speedup and up to 1.2 points average improvement over existing MLMs. The code is available at https://github.com/FUZHIYI/TACO.

Key facts. Cited by 16 papers in the map (data through 14 Oct 2026). Builds on 27 of its 43 references that are in the map. First posted on arXiv 8 Apr 2022.

Builds on

27 of 43 references.

References · 27

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15 more
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