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1
Can Language Models Encode Perceptual Structure Without Grounding? A Case Study in Color ...
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2
Positional Artefacts Propagate Through Masked Language Model Embeddings ...
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3
Attention Can Reflect Syntactic Structure (If You Let It) ...
Abstract: Since the popularization of the Transformer as a general-purpose feature encoder for NLP, many studies have attempted to decode linguistic structure from its novel multi-head attention mechanism. However, much of such work focused almost exclusively on English -- a language with rigid word order and a lack of inflectional morphology. In this study, we present decoding experiments for multilingual BERT across 18 languages in order to test the generalizability of the claim that dependency syntax is reflected in attention patterns. We show that full trees can be decoded above baseline accuracy from single attention heads, and that individual relations are often tracked by the same heads across languages. Furthermore, in an attempt to address recent debates about the status of attention as an explanatory mechanism, we experiment with fine-tuning mBERT on a supervised parsing objective while freezing different series of parameters. Interestingly, in steering the objective to learn explicit linguistic structure, ...
Keyword: Computation and Language cs.CL; FOS Computer and information sciences
URL: https://dx.doi.org/10.48550/arxiv.2101.10927
https://arxiv.org/abs/2101.10927
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4
Schrödinger's Tree -- On Syntax and Neural Language Models ...
Kulmizev, Artur; Nivre, Joakim. - : arXiv, 2021
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5
Køpsala: Transition-Based Graph Parsing via Efficient Training and Effective Encoding ...
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6
Do Neural Language Models Show Preferences for Syntactic Formalisms? ...
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7
Deep Contextualized Word Embeddings in Transition-Based and Graph-Based Dependency Parsing -- A Tale of Two Parsers Revisited ...
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