What do you learn from context? Probing for sentence structure in contextualized word representations
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Abstract (arXiv)
Contextualized representation models such as ELMo (Peters et al., 2018a) and BERT (Devlin et al., 2018) have recently achieved state-of-the-art results on a diverse array of downstream NLP tasks. Building on recent token-level probing work, we introduce a novel edge probing task design and construct a broad suite of sub-sentence tasks derived from the traditional structured NLP pipeline. We probe word-level contextual representations from four recent models and investigate how they encode sentence structure across a range of syntactic, semantic, local, and long-range phenomena. We find that existing models trained on language modeling and translation produce strong representations for syntactic phenomena, but only offer comparably small improvements on semantic tasks over a non-contextual baseline.
Key facts. Cited by 436 papers in the map (data through 7 Oct 2026). First posted on arXiv 15 May 2019.
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Citing papers per year: 2021: 113; 2022: 89; 2023: 83; 2024: 71; 2025: 49; 2026: 31.
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