Machine Reading, Fast and Slow: When Do Models "Understand" Language?
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Abstract (arXiv)
Two of the most fundamental challenges in Natural Language Understanding (NLU) at present are: (a) how to establish whether deep learning-based models score highly on NLU benchmarks for the 'right' reasons; and (b) to understand what those reasons would even be. We investigate the behavior of reading comprehension models with respect to two linguistic 'skills': coreference resolution and comparison. We propose a definition for the reasoning steps expected from a system that would be 'reading slowly', and compare that with the behavior of five models of the BERT family of various sizes, observed through saliency scores and counterfactual explanations. We find that for comparison (but not coreference) the systems based on larger encoders are more likely to rely on the 'right' information, but even they struggle with generalization, suggesting that they still learn specific lexical patterns rather than the general principles of comparison.
Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 55 of its 88 references that are in the map. First posted on arXiv 15 Sep 2022.
Builds on
55 of 88 references.
References · 55
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Citing papers per year: 2022: 2; 2023: 4; 2024: 4; 2025: 2; 2026: 1.
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1 more
- 2022The Debate Over Understanding in AI's Large Language Models14 Oct 2022
- 2022The Debate Over Understanding in AI's Large Language Modelscited by 142
- 2023Position: Key Claims in LLM Research Have a Long Tail of Footnotescited by 20
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- 2025Research Community Perspectives on "Intelligence" and Large Language Modelscited by 2
- 2025Knowing the Facts but Choosing the Shortcut: Understanding How Large Language Models Compare Entitiescited by 2
- 2026The Overlooked Repetitive Lengthening Form in Sentiment Analysiscited by 1
- 2024FAC2E: Better Understanding Large Language Model Capabilities by Dissociating Language and Cognitioncited by 0
- 2026The Overlooked Repetitive Lengthening Form in Sentiment Analysis1 Apr 2026
- 2025Knowing the Facts but Choosing the Shortcut: Understanding How Large Language Models Compare Entities19 Oct 2025
- 2025Research Community Perspectives on "Intelligence" and Large Language Models27 May 2025
- 2024Natural Language Processing RELIES on Linguistics9 May 2024
- 2024From Form(s) to Meaning: Probing the Semantic Depths of Language Models Using Multisense Consistency18 Apr 2024
- 2024FAC2E: Better Understanding Large Language Model Capabilities by Dissociating Language and Cognition29 Feb 2024
- 2023Position: Key Claims in LLM Research Have a Long Tail of Footnotes14 Aug 2023
- 2023The Two Word Test: A Semantic Benchmark for Large Language Models7 Jun 2023
- 2023Being Right for Whose Right Reasons?1 Jun 2023
- 2022Implicit causality in GPT-2: a case study8 Dec 2022
- 2022The Debate Over Understanding in AI's Large Language Models14 Oct 2022
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