How Language-Neutral is Multilingual BERT?
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Abstract (arXiv)
Multilingual BERT (mBERT) provides sentence representations for 104 languages, which are useful for many multi-lingual tasks. Previous work probed the cross-linguality of mBERT using zero-shot transfer learning on morphological and syntactic tasks. We instead focus on the semantic properties of mBERT. We show that mBERT representations can be split into a language-specific component and a language-neutral component, and that the language-neutral component is sufficiently general in terms of modeling semantics to allow high-accuracy word-alignment and sentence retrieval but is not yet good enough for the more difficult task of MT quality estimation. Our work presents interesting challenges which must be solved to build better language-neutral representations, particularly for tasks requiring linguistic transfer of semantics.
Key facts. Cited by 51 papers in the map (data through 7 Oct 2026). First posted on arXiv 8 Nov 2019.
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Citing papers per year: 2021: 17; 2022: 7; 2023: 12; 2024: 8; 2025: 5; 2026: 2.
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- 2021Word Alignment by Fine-tuning Embeddings on Parallel Corporacited by 186
- 2021A Primer on Pretrained Multilingual Language Modelscited by 49
- 2021Deep Subjecthood: Higher-Order Grammatical Features in Multilingual BERTcited by 41
- 2024Probing the Emergence of Cross-lingual Alignment during LLM Trainingcited by 38
- 2021Assessing Multilingual Fairness in Pre-trained Multimodal Representationscited by 35
- 2023COPAL-ID: Indonesian Language Reasoning with Local Culture and Nuancescited by 35
- 2023Lost in Translation: Large Language Models in Non-English Content Analysiscited by 34
- 2022Analyzing the Mono- and Cross-Lingual Pretraining Dynamics of Multilingual Language Modelscited by 32
- 2022Discovering Language-neutral Sub-networks in Multilingual Language Modelscited by 28
- 2021A Simple and Effective Method To Eliminate the Self Language Bias in Multilingual Representationscited by 16
- 2023Investigating Bias in Multilingual Language Models: Cross-Lingual Transfer of Debiasing Techniquescited by 14
- 2021Multilingual Byte2Speech Models for Scalable Low-resource Speech Synthesiscited by 13
38 more
- 2022KenSwQuAD -- A Question Answering Dataset for Swahili Low Resource Languagecited by 12
- 2023Unveiling Multilinguality in Transformer Models: Exploring Language Specificity in Feed-Forward Networkscited by 12
- 2023How Vocabulary Sharing Facilitates Multilingualism in LLaMA?cited by 12
- 2022Languages You Know Influence Those You Learn: Impact of Language Characteristics on Multi-Lingual Text-to-Text Transfercited by 11
- 2023Massively Multilingual Corpus of Sentiment Datasets and Multi-faceted Sentiment Classification Benchmarkcited by 10
- 2021Unsupervised Multilingual Sentence Embeddings for Parallel Corpus Miningcited by 9
- 2021Debiasing Multilingual Word Embeddings: A Case Study of Three Indian Languagescited by 8
- 2021On the ability of monolingual models to learn language-agnostic representationscited by 5
- 2022The Impact of Cross-Lingual Adjustment of Contextual Word Representations on Zero-Shot Transfercited by 5
- 2023A Joint Matrix Factorization Analysis of Multilingual Representationscited by 5
- 2024ChitroJera: A Regionally Relevant Visual Question Answering Dataset for Banglacited by 5
- 2024A Truly Joint Neural Architecture for Segmentation and Parsingcited by 4
- 2025AfroXLMR-Social: Adapting Pre-trained Language Models for African Languages Social Media Textcited by 4
- 2024Signformer is all you need: Towards Edge AI for Sign Languagecited by 3
- 2021Hostility Detection and Covid-19 Fake News Detection in Social Mediacited by 2
- 2021Deception detection in text and its relation to the cultural dimension of individualism/collectivismcited by 2
- 2021PSG: Prompt-based Sequence Generation for Acronym Extractioncited by 2
- 2023Identical and Fraternal Twins: Fine-Grained Semantic Contrastive Learning of Sentence Representationscited by 2
- 2023The Less the Merrier? Investigating Language Representation in Multilingual Modelscited by 2
- 2024Stanceosaurus 2.0: Classifying Stance Towards Russian and Spanish Misinformationcited by 2
- 2026Multilingual Language Models Encode Script Over Linguistic Structurecited by 2
- 2021Vy=akarana: A Colorless Green Benchmark for Syntactic Evaluation in Indic Languagescited by 1
- 2021Uppsala NLP at SemEval-2021 Task 2: Multilingual Language Models for Fine-tuning and Feature Extraction in Word-in-Context Disambiguationcited by 1
- 2021Transfer Learning for Multi-lingual Tasks -- a Surveycited by 1
- 2021Improved Multilingual Language Model Pretraining for Social Media Text via Translation Pair Predictioncited by 1
- 2024Incorporating Lexical and Syntactic Knowledge for Unsupervised Cross-Lingual Transfercited by 1
- 2025Enhancing Multi-Label Emotion Analysis and Corresponding Intensities for Ethiopian Languagescited by 1
- 2025SHAMI-MT: A Syrian Arabic Dialect to Modern Standard Arabic Bidirectional Machine Translation Systemcited by 1
- 2021Do Multi-Lingual Pre-trained Language Models Reveal Consistent Token Attributions in Different Languages?cited by 0
- 2022Improving Persian Relation Extraction Models by Data Augmentationcited by 0
- 2022Third-Party Aligner for Neural Word Alignmentscited by 0
- 2023Measuring Cross-Lingual Transferability of Multilingual Transformers on Sentence Classificationcited by 0
- 2023Knowledge Graph-Augmented Korean Generative Commonsense Reasoningcited by 0
- 2023Colloquial Persian POS (CPPOS) Corpus: A Novel Corpus for Colloquial Persian Part of Speech Taggingcited by 0
- 2024Enhancing Context Through Contrastcited by 0
- 2024Cross-lingual Back-Parsing: Utterance Synthesis from Meaning Representation for Zero-Resource Semantic Parsingcited by 0
- 2025Scaling Laws for Conditional Emergence of Multilingual Image Captioning via Generalization from Translationcited by 0
- 2025Utilizing Multilingual Encoders to Improve Large Language Models for Low-Resource Languagescited by 0
50 most cited of 51 All 51 (JSON)
- 2026Multilingual Language Models Encode Script Over Linguistic Structure6 Apr 2026
- 2026LANGSAE EDITING: Improving Multilingual Information Retrieval via Post-hoc Language Identity Removal8 Jan 2026
- 2025Utilizing Multilingual Encoders to Improve Large Language Models for Low-Resource Languages12 Aug 2025
- 2025SHAMI-MT: A Syrian Arabic Dialect to Modern Standard Arabic Bidirectional Machine Translation System4 Aug 2025
- 2025Enhancing Multi-Label Emotion Analysis and Corresponding Intensities for Ethiopian Languages24 Mar 2025
- 2025AfroXLMR-Social: Adapting Pre-trained Language Models for African Languages Social Media Text24 Mar 2025
- 2025Scaling Laws for Conditional Emergence of Multilingual Image Captioning via Generalization from Translation12 Mar 2025
- 2024Signformer is all you need: Towards Edge AI for Sign Language19 Nov 2024
- 2024ChitroJera: A Regionally Relevant Visual Question Answering Dataset for Bangla19 Oct 2024
- 2024Cross-lingual Back-Parsing: Utterance Synthesis from Meaning Representation for Zero-Resource Semantic Parsing1 Oct 2024
- 2024Probing the Emergence of Cross-lingual Alignment during LLM Training19 Jun 2024
- 2024Incorporating Lexical and Syntactic Knowledge for Unsupervised Cross-Lingual Transfer25 Apr 2024
38 more
- 2024Stanceosaurus 2.0: Classifying Stance Towards Russian and Spanish Misinformation6 Feb 2024
- 2024A Truly Joint Neural Architecture for Segmentation and Parsing4 Feb 2024
- 2024Enhancing Context Through Contrast6 Jan 2024
- 2023How Vocabulary Sharing Facilitates Multilingualism in LLaMA?15 Nov 2023
- 2023COPAL-ID: Indonesian Language Reasoning with Local Culture and Nuances2 Nov 2023
- 2023Unveiling Multilinguality in Transformer Models: Exploring Language Specificity in Feed-Forward Networks24 Oct 2023
- 2023A Joint Matrix Factorization Analysis of Multilingual Representations24 Oct 2023
- 2023The Less the Merrier? Investigating Language Representation in Multilingual Models20 Oct 2023
- 2023Investigating Bias in Multilingual Language Models: Cross-Lingual Transfer of Debiasing Techniques16 Oct 2023
- 2023Colloquial Persian POS (CPPOS) Corpus: A Novel Corpus for Colloquial Persian Part of Speech Tagging1 Oct 2023
- 2023Identical and Fraternal Twins: Fine-Grained Semantic Contrastive Learning of Sentence Representations20 Jul 2023
- 2023Knowledge Graph-Augmented Korean Generative Commonsense Reasoning26 Jun 2023
- 2023Massively Multilingual Corpus of Sentiment Datasets and Multi-faceted Sentiment Classification Benchmark13 Jun 2023
- 2023Lost in Translation: Large Language Models in Non-English Content Analysis12 Jun 2023
- 2023Measuring Cross-Lingual Transferability of Multilingual Transformers on Sentence Classification15 May 2023
- 2022Languages You Know Influence Those You Learn: Impact of Language Characteristics on Multi-Lingual Text-to-Text Transfer4 Dec 2022
- 2022Third-Party Aligner for Neural Word Alignments8 Nov 2022
- 2022Discovering Language-neutral Sub-networks in Multilingual Language Models25 May 2022
- 2022Analyzing the Mono- and Cross-Lingual Pretraining Dynamics of Multilingual Language Models24 May 2022
- 2022KenSwQuAD -- A Question Answering Dataset for Swahili Low Resource Language4 May 2022
- 2022The Impact of Cross-Lingual Adjustment of Contextual Word Representations on Zero-Shot Transfer13 Apr 2022
- 2022Improving Persian Relation Extraction Models by Data Augmentation29 Mar 2022
- 2021Do Multi-Lingual Pre-trained Language Models Reveal Consistent Token Attributions in Different Languages?23 Dec 2021
- 2021PSG: Prompt-based Sequence Generation for Acronym Extraction29 Nov 2021
- 2021Improved Multilingual Language Model Pretraining for Social Media Text via Translation Pair Prediction20 Oct 2021
- 2021A Simple and Effective Method To Eliminate the Self Language Bias in Multilingual Representations10 Sep 2021
- 2021On the ability of monolingual models to learn language-agnostic representations4 Sep 2021
- 2021Transfer Learning for Multi-lingual Tasks -- a Survey28 Aug 2021
- 2021Debiasing Multilingual Word Embeddings: A Case Study of Three Indian Languages21 Jul 2021
- 2021A Primer on Pretrained Multilingual Language Models1 Jul 2021
- 2021Assessing Multilingual Fairness in Pre-trained Multimodal Representations12 Jun 2021
- 2021Deception detection in text and its relation to the cultural dimension of individualism/collectivism26 May 2021
- 2021Unsupervised Multilingual Sentence Embeddings for Parallel Corpus Mining21 May 2021
- 2021Uppsala NLP at SemEval-2021 Task 2: Multilingual Language Models for Fine-tuning and Feature Extraction in Word-in-Context Disambiguation8 Apr 2021
- 2021Multilingual Byte2Speech Models for Scalable Low-resource Speech Synthesis5 Mar 2021
- 2021Vy=akarana: A Colorless Green Benchmark for Syntactic Evaluation in Indic Languages1 Mar 2021
- 2021Deep Subjecthood: Higher-Order Grammatical Features in Multilingual BERT26 Jan 2021
- 2021Word Alignment by Fine-tuning Embeddings on Parallel Corpora20 Jan 2021
50 newest of 51 All 51 (JSON)
- 2021Word Alignment by Fine-tuning Embeddings on Parallel Corporacited by 186
- 2021A Primer on Pretrained Multilingual Language Modelscited by 49
- 2021Deep Subjecthood: Higher-Order Grammatical Features in Multilingual BERTcited by 41
- 2024Probing the Emergence of Cross-lingual Alignment during LLM Trainingcited by 38
- 2021Assessing Multilingual Fairness in Pre-trained Multimodal Representationscited by 35
- 2023Lost in Translation: Large Language Models in Non-English Content Analysiscited by 34
- 2022Analyzing the Mono- and Cross-Lingual Pretraining Dynamics of Multilingual Language Modelscited by 32
- 2022Discovering Language-neutral Sub-networks in Multilingual Language Modelscited by 28
- 2021A Simple and Effective Method To Eliminate the Self Language Bias in Multilingual Representationscited by 16
- 2023Investigating Bias in Multilingual Language Models: Cross-Lingual Transfer of Debiasing Techniquescited by 14
- 2021Multilingual Byte2Speech Models for Scalable Low-resource Speech Synthesiscited by 13
- 2022KenSwQuAD -- A Question Answering Dataset for Swahili Low Resource Languagecited by 12
12 most cited of 48 All 48 (JSON)
- 2026Multilingual Language Models Encode Script Over Linguistic Structure6 Apr 2026
- 2026LANGSAE EDITING: Improving Multilingual Information Retrieval via Post-hoc Language Identity Removal8 Jan 2026
- 2025Utilizing Multilingual Encoders to Improve Large Language Models for Low-Resource Languages12 Aug 2025
- 2025SHAMI-MT: A Syrian Arabic Dialect to Modern Standard Arabic Bidirectional Machine Translation System4 Aug 2025
- 2025Enhancing Multi-Label Emotion Analysis and Corresponding Intensities for Ethiopian Languages24 Mar 2025
- 2025AfroXLMR-Social: Adapting Pre-trained Language Models for African Languages Social Media Text24 Mar 2025
- 2024Signformer is all you need: Towards Edge AI for Sign Language19 Nov 2024
- 2024ChitroJera: A Regionally Relevant Visual Question Answering Dataset for Bangla19 Oct 2024
- 2024Cross-lingual Back-Parsing: Utterance Synthesis from Meaning Representation for Zero-Resource Semantic Parsing1 Oct 2024
- 2024Probing the Emergence of Cross-lingual Alignment during LLM Training19 Jun 2024
- 2024Incorporating Lexical and Syntactic Knowledge for Unsupervised Cross-Lingual Transfer25 Apr 2024
- 2024Stanceosaurus 2.0: Classifying Stance Towards Russian and Spanish Misinformation6 Feb 2024
12 newest of 48 All 48 (JSON)