VnCoreNLP: A Vietnamese Natural Language Processing Toolkit
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Abstract (arXiv)
We present an easy-to-use and fast toolkit, namely VnCoreNLP---a Java NLP annotation pipeline for Vietnamese. Our VnCoreNLP supports key natural language processing (NLP) tasks including word segmentation, part-of-speech (POS) tagging, named entity recognition (NER) and dependency parsing, and obtains state-of-the-art (SOTA) results for these tasks. We release VnCoreNLP to provide rich linguistic annotations to facilitate research work on Vietnamese NLP. Our VnCoreNLP is open-source and available at: https://github.com/vncorenlp/VnCoreNLP
Key facts. Cited by 51 papers in the map (data through 7 Oct 2026). First posted on arXiv 4 Jan 2018.
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Citing papers per year: 2021: 14; 2022: 8; 2023: 9; 2024: 8; 2025: 7; 2026: 5.
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- 2021BARTpho: Pre-trained Sequence-to-Sequence Models for Vietnamesecited by 33
- 2023OpenViVQA: Task, Dataset, and Multimodal Fusion Models for Visual Question Answering in Vietnamesecited by 20
- 2021Intent Detection and Slot Filling for Vietnamesecited by 19
- 2021COVID-19 Named Entity Recognition for Vietnamesecited by 19
- 2021Constructive and Toxic Speech Detection for Open-domain Social Media Comments in Vietnamesecited by 17
- 2023XPhoneBERT: A Pre-trained Multilingual Model for Phoneme Representations for Text-to-Speechcited by 16
- 2021PhoNLP: A joint multi-task learning model for Vietnamese part-of-speech tagging, named entity recognition and dependency parsingcited by 13
- 2023ViHOS: Hate Speech Spans Detection for Vietnamesecited by 13
- 2021PhoMT: A High-Quality and Large-Scale Benchmark Dataset for Vietnamese-English Machine Translationcited by 11
- 2021Sentence Extraction-Based Machine Reading Comprehension for Vietnamesecited by 9
- 2022Vietnamese Hate and Offensive Detection using PhoBERT-CNN and Social Media Streaming Datacited by 9
- 2024ViTextVQA: A Large-Scale Visual Question Answering Dataset and a Novel Multimodal Feature Fusion Method for Vietnamese Text Comprehension in Imagescited by 7
38 more
- 2023EVJVQA Challenge: Multilingual Visual Question Answeringcited by 6
- 2022SPBERTQA: A Two-Stage Question Answering System Based on Sentence Transformers for Medical Textscited by 5
- 2024Improving Vietnamese-English Medical Machine Translationcited by 5
- 2021Investigating Monolingual and Multilingual BERTModels for Vietnamese Aspect Category Detectioncited by 4
- 2021Vietnamese Complaint Detection on E-Commerce Websitescited by 4
- 2024ViWikiFC: Fact-Checking for Vietnamese Wikipedia-Based Textual Knowledge Sourcecited by 4
- 2022Multi-stage Information Retrieval for Vietnamese Legal Textscited by 3
- 2023Evaluating the Symbol Binding Ability of Large Language Models for Multiple-Choice Questions in Vietnamese General Educationcited by 3
- 2025Coreference Resolution for Vietnamese Narrative Textscited by 3
- 2026FreeTxt-Vi: A Benchmarked Vietnamese-English Toolkit for Segmentation, Sentiment, and Summarisationcited by 3
- 2021Predicting Job Titles from Job Descriptions with Multi-label Text Classificationcited by 2
- 2021Clustering Vietnamese Conversations From Facebook Page To Build Training Dataset For Chatbotcited by 2
- 2022Unsupervised Sentence Simplification via Dependency Parsingcited by 2
- 2022A High-Quality and Large-Scale Dataset for English-Vietnamese Speech Translationcited by 2
- 2022From Disfluency Detection to Intent Detection and Slot Fillingcited by 2
- 2022Improving Sentiment Analysis By Emotion Lexicon Approach on Vietnamese Textscited by 2
- 2023UIT-OpenViIC: A Novel Benchmark for Evaluating Image Captioning in Vietnamesecited by 2
- 2023NOWJ1@ALQAC 2023: Enhancing Legal Task Performance with Classic Statistical Models and Pre-trained Language Modelscited by 2
- 2024Context-Aware Machine Translation with Source Coreference Explanationcited by 2
- 2024An Attempt to Develop a Neural Parser based on Simplified Head-Driven Phrase Structure Grammar on Vietnamesecited by 2
- 2022CofeNet: Context and Former-Label Enhanced Net for Complicated Quotation Extractioncited by 1
- 2024ViLexNorm: A Lexical Normalization Corpus for Vietnamese Social Media Textcited by 1
- 2024Transformer-Based Contextualized Language Models Joint with Neural Networks for Natural Language Inference in Vietnamesecited by 1
- 2025LiGT: Layout-infused Generative Transformer for Visual Question Answering on Vietnamese Receiptscited by 1
- 2025VietMix: A Naturally-Occurring Parallel Corpus and Augmentation Framework for Vietnamese-English Code-Mixed Machine Translationcited by 1
- 2021ReINTEL Challenge 2020: Exploiting Transfer Learning Models for Reliable Intelligence Identification on Vietnamese Social Network Sitescited by 0
- 2021Augmenting Part-of-speech Tagging with Syntactic Information for Vietnamese and Chinesecited by 0
- 2021Automatic Post-Editing for Vietnamesecited by 0
- 2023LBMT team at VLSP2022-Abmusu: Hybrid method with text correlation and generative models for Vietnamese multi-document summarizationcited by 0
- 2023Analyzing Vietnamese Legal Questions Using Deep Neural Networks with Biaffine Classifierscited by 0
- 2024A study of Vietnamese readability assessing through semantic and statistical featurescited by 0
- 2025ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamesecited by 0
- 2025A Vietnamese Dataset for Text Segmentation and Multiple Choices Reading Comprehensioncited by 0
- 2025An Encoder-Integrated PhoBERT with Graph Attention for Vietnamese Token-Level Classificationcited by 0
- 2025Towards Signboard-Oriented Visual Question Answering: ViSignVQA Dataset, Method and Benchmarkcited by 0
- 2026ViX-Ray: A Vietnamese Chest X-Ray Dataset for Vision-Language Modelscited by 0
- 2026Evaluation of Chunking Strategies for Effective Text Embedding in Low-Resource Language on Agricultural Documentscited by 0
- 2026BamiBERT: A New BERT-based Language Model for Vietnamesecited by 0
50 most cited of 51 All 51 (JSON)
- 2026Reading a Legal Question Word by Word: Embedding Trajectories of 2,144 Vietnamese Legal Headlines8 Sep 2026
- 2026BamiBERT: A New BERT-based Language Model for Vietnamese2 Jul 2026
- 2026Evaluation of Chunking Strategies for Effective Text Embedding in Low-Resource Language on Agricultural Documents21 May 2026
- 2026ViX-Ray: A Vietnamese Chest X-Ray Dataset for Vision-Language Models16 Mar 2026
- 2026FreeTxt-Vi: A Benchmarked Vietnamese-English Toolkit for Segmentation, Sentiment, and Summarisation5 Mar 2026
- 2025Towards Signboard-Oriented Visual Question Answering: ViSignVQA Dataset, Method and Benchmark22 Dec 2025
- 2025An Encoder-Integrated PhoBERT with Graph Attention for Vietnamese Token-Level Classification13 Oct 2025
- 2025A Vietnamese Dataset for Text Segmentation and Multiple Choices Reading Comprehension19 Jun 2025
- 2025VietMix: A Naturally-Occurring Parallel Corpus and Augmentation Framework for Vietnamese-English Code-Mixed Machine Translation30 May 2025
- 2025Coreference Resolution for Vietnamese Narrative Texts28 Apr 2025
- 2025ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese21 Apr 2025
- 2025LiGT: Layout-infused Generative Transformer for Visual Question Answering on Vietnamese Receipts26 Feb 2025
38 more
- 2024An Attempt to Develop a Neural Parser based on Simplified Head-Driven Phrase Structure Grammar on Vietnamese26 Nov 2024
- 2024Transformer-Based Contextualized Language Models Joint with Neural Networks for Natural Language Inference in Vietnamese20 Nov 2024
- 2024A study of Vietnamese readability assessing through semantic and statistical features7 Nov 2024
- 2024ViWikiFC: Fact-Checking for Vietnamese Wikipedia-Based Textual Knowledge Source13 May 2024
- 2024Context-Aware Machine Translation with Source Coreference Explanation30 Apr 2024
- 2024ViTextVQA: A Large-Scale Visual Question Answering Dataset and a Novel Multimodal Feature Fusion Method for Vietnamese Text Comprehension in Images16 Apr 2024
- 2024Improving Vietnamese-English Medical Machine Translation28 Mar 2024
- 2024ViLexNorm: A Lexical Normalization Corpus for Vietnamese Social Media Text29 Jan 2024
- 2023Evaluating the Symbol Binding Ability of Large Language Models for Multiple-Choice Questions in Vietnamese General Education18 Oct 2023
- 2023NOWJ1@ALQAC 2023: Enhancing Legal Task Performance with Classic Statistical Models and Pre-trained Language Models16 Sep 2023
- 2023XPhoneBERT: A Pre-trained Multilingual Model for Phoneme Representations for Text-to-Speech31 May 2023
- 2023OpenViVQA: Task, Dataset, and Multimodal Fusion Models for Visual Question Answering in Vietnamese7 May 2023
- 2023UIT-OpenViIC: A Novel Benchmark for Evaluating Image Captioning in Vietnamese7 May 2023
- 2023Analyzing Vietnamese Legal Questions Using Deep Neural Networks with Biaffine Classifiers27 Apr 2023
- 2023LBMT team at VLSP2022-Abmusu: Hybrid method with text correlation and generative models for Vietnamese multi-document summarization11 Apr 2023
- 2023EVJVQA Challenge: Multilingual Visual Question Answering23 Feb 2023
- 2023ViHOS: Hate Speech Spans Detection for Vietnamese24 Jan 2023
- 2022Improving Sentiment Analysis By Emotion Lexicon Approach on Vietnamese Texts5 Oct 2022
- 2022Multi-stage Information Retrieval for Vietnamese Legal Texts29 Sep 2022
- 2022CofeNet: Context and Former-Label Enhanced Net for Complicated Quotation Extraction20 Sep 2022
- 2022From Disfluency Detection to Intent Detection and Slot Filling17 Sep 2022
- 2022A High-Quality and Large-Scale Dataset for English-Vietnamese Speech Translation8 Aug 2022
- 2022SPBERTQA: A Two-Stage Question Answering System Based on Sentence Transformers for Medical Texts20 Jun 2022
- 2022Unsupervised Sentence Simplification via Dependency Parsing10 Jun 2022
- 2022Vietnamese Hate and Offensive Detection using PhoBERT-CNN and Social Media Streaming Data1 Jun 2022
- 2021Clustering Vietnamese Conversations From Facebook Page To Build Training Dataset For Chatbot31 Dec 2021
- 2021Predicting Job Titles from Job Descriptions with Multi-label Text Classification21 Dec 2021
- 2021PhoMT: A High-Quality and Large-Scale Benchmark Dataset for Vietnamese-English Machine Translation23 Oct 2021
- 2021BARTpho: Pre-trained Sequence-to-Sequence Models for Vietnamese20 Sep 2021
- 2021Sentence Extraction-Based Machine Reading Comprehension for Vietnamese19 May 2021
- 2021Automatic Post-Editing for Vietnamese25 Apr 2021
- 2021Vietnamese Complaint Detection on E-Commerce Websites24 Apr 2021
- 2021COVID-19 Named Entity Recognition for Vietnamese8 Apr 2021
- 2021Intent Detection and Slot Filling for Vietnamese5 Apr 2021
- 2021Constructive and Toxic Speech Detection for Open-domain Social Media Comments in Vietnamese18 Mar 2021
- 2021Investigating Monolingual and Multilingual BERTModels for Vietnamese Aspect Category Detection17 Mar 2021
- 2021Augmenting Part-of-speech Tagging with Syntactic Information for Vietnamese and Chinese24 Feb 2021
- 2021ReINTEL Challenge 2020: Exploiting Transfer Learning Models for Reliable Intelligence Identification on Vietnamese Social Network Sites22 Feb 2021
50 newest of 51 All 51 (JSON)
- 2021BARTpho: Pre-trained Sequence-to-Sequence Models for Vietnamesecited by 33
- 2023OpenViVQA: Task, Dataset, and Multimodal Fusion Models for Visual Question Answering in Vietnamesecited by 20
- 2021Intent Detection and Slot Filling for Vietnamesecited by 19
- 2021COVID-19 Named Entity Recognition for Vietnamesecited by 19
- 2021Constructive and Toxic Speech Detection for Open-domain Social Media Comments in Vietnamesecited by 17
- 2023XPhoneBERT: A Pre-trained Multilingual Model for Phoneme Representations for Text-to-Speechcited by 16
- 2021PhoNLP: A joint multi-task learning model for Vietnamese part-of-speech tagging, named entity recognition and dependency parsingcited by 13
- 2023ViHOS: Hate Speech Spans Detection for Vietnamesecited by 13
- 2021PhoMT: A High-Quality and Large-Scale Benchmark Dataset for Vietnamese-English Machine Translationcited by 11
- 2021Sentence Extraction-Based Machine Reading Comprehension for Vietnamesecited by 9
- 2022Vietnamese Hate and Offensive Detection using PhoBERT-CNN and Social Media Streaming Datacited by 9
- 2024ViTextVQA: A Large-Scale Visual Question Answering Dataset and a Novel Multimodal Feature Fusion Method for Vietnamese Text Comprehension in Imagescited by 7
12 most cited of 49 All 49 (JSON)
- 2026Reading a Legal Question Word by Word: Embedding Trajectories of 2,144 Vietnamese Legal Headlines8 Sep 2026
- 2026BamiBERT: A New BERT-based Language Model for Vietnamese2 Jul 2026
- 2026FreeTxt-Vi: A Benchmarked Vietnamese-English Toolkit for Segmentation, Sentiment, and Summarisation5 Mar 2026
- 2025Towards Signboard-Oriented Visual Question Answering: ViSignVQA Dataset, Method and Benchmark22 Dec 2025
- 2025An Encoder-Integrated PhoBERT with Graph Attention for Vietnamese Token-Level Classification13 Oct 2025
- 2025A Vietnamese Dataset for Text Segmentation and Multiple Choices Reading Comprehension19 Jun 2025
- 2025VietMix: A Naturally-Occurring Parallel Corpus and Augmentation Framework for Vietnamese-English Code-Mixed Machine Translation30 May 2025
- 2025Coreference Resolution for Vietnamese Narrative Texts28 Apr 2025
- 2025ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese21 Apr 2025
- 2025LiGT: Layout-infused Generative Transformer for Visual Question Answering on Vietnamese Receipts26 Feb 2025
- 2024An Attempt to Develop a Neural Parser based on Simplified Head-Driven Phrase Structure Grammar on Vietnamese26 Nov 2024
- 2024Transformer-Based Contextualized Language Models Joint with Neural Networks for Natural Language Inference in Vietnamese20 Nov 2024
12 newest of 49 All 49 (JSON)