Research

Fields: Natural Language Processing, Machine Learning, Recommender Systems

Topics: Legal Text Processing, Discourse Processing, Paraphrasing, Social Media Text Processing, Sentiment Analysis & Opinion Mining, Question Answering, Recommender Systems

Academic Activities:

Session/Conference Organizer: RIVF, KSE, ATC, VLSP, NICS

Program committee member: AAAI, ECAI, ICASSP, ICONIP, PACLING, PACLIC, RIVF, KSE, NICS, ATC, REV-ECIT, ICTA, MAPR

Reviewer of International Journal: Natural Language Engineering, Information Processing and Management, Information Sciences, Data & Knowledge Engineering, Artificial Intelligence Review, Computers in Industry, Annals of Operations Research, PLOS ONE, International Journal of Machine Learning and Cybernetics 

Listing of my papers: Google Scholar, DBLP

Journal Articles (International)

1. Ha-Thanh Nguyen, Manh-Kien Phi, Xuan-Bach Ngo, Vu Tran, Le-Minh Nguyen, Minh-Phuong Tu. Attentive Deep Neural Networks for Legal Document Retrieval. Artificial Intelligence and Law, Volume 32, pp. 57-86, 2024. [Paper]. (SCIE, Q1, IF 2.723)

2. Huy-Hoang Dinh, Hong-Quan Do, Trung-Tung Doan, Cuong Le, Ngo Xuan Bach, Tu Minh Phuong, Viet-Vu Vu. FGW-FER: Lightweight Facial Expression Recognition with Attention. KSII Transactions on Internet and Information Systems, Volume 17, Number 9, pp. 2505-2528, 2023. [Paper] (SCIE, Q3, IF 0.972)

3. Nguyen Thi Thanh Thuy, Nguyen Ngoc Diep, Ngo Xuan Bach, Tu Minh Phuong. Joint Reference and Relation Extraction from Legal Documents with Enhanced Decoder Input. Cybernetics and Information Technologies, Volume 23, Number 2, pp. 72-86, 2023. [Paper] (Scopus, Q2, IF 1.747)    

4. Oanh Thi Tran, Thang Van Nguyen, Tu Anh Nguyen, Ngo Xuan Bach. Learning Student Intents and Named Entities in the Education Domain. International Journal on Artificial Intelligence Tools, Volume 32, Number 01, 2023. [Paper] (SCIE, Q3, IF 1.208)

5. Tu Minh Phuong, Le Cong Linh, Ngo Xuan Bach. Identifying Intentions in Forum Posts with Cross-Domain Data. Journal of Heuristics, Volume 28, Number 2, pp. 171-192, 2022. [Paper] (SCIE, Q2, IF 2.247) 

6. Ngo Xuan Bach, Dang Hoang Long, Tu Minh Phuong. Recurrent Convolutional Networks for Session-based Recommendations. Neurocomputing, Volume 411, pp. 247-258, 2020. [Paper] (SCIE, Q1, IF 5.779) 

7. Ngo Xuan Bach, Phan Duc Thanh, Tran Thi Oanh. Question Analysis towards a Vietnamese Question Answering System in the Education Domain. Cybernetics and Information Technologies, Volume 20, Number 1, pp. 112-128, 2020. [Paper] (Scopus, Q2, IF 1.747)  

8. Tu Minh Phuong, Tran Cong Thanh, Ngo Xuan Bach. Neural Session-Aware Recommendation. IEEE Access, Volume 7, pp. 86884 - 86896, 2019. [Paper] (SCIE, Q1, IF 3.367)

9. Ngo Xuan Bach, Nguyen Dieu Linh, Tu Minh Phuong. An Empirical Study on POS Tagging for Vietnamese Social Media Text. Computer Speech and Language, Volume 50, pp. 1-15, 2018. [Paper] (SCIE, Q2, IF 3.252)

10. Ngo Xuan Bach, Nguyen Do Hai, Tu Minh Phuong. Personalized recommendation of stories for commenting in forum-based social media. Information Sciences, Volumes 352-353, pp. 48-60, 2016. [Paper] (SCIE, Q1, IF 8.233)

11. Oanh Thi Tran, Bach Xuan Ngo, Minh Le Nguyen, Akira Shimazu. Automated reference resolution in legal texts. Artificial Intelligence and Law, Volume 22, Number 1, pp. 29-60, 2014.[Paper] (SCIE, Q1, IF 2.723)

12. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. Exploiting discourse information to identify paraphrases. Expert Systems with Applications, Volume 41, Number 6, pp. 2832–2841, 2014 .[Paper] (SCIE, Q1, IF 8.665)

13. Ngo Xuan Bach, Nguyen Le Minh, Tran Thi Oanh, Akira Shimazu. A Two-Phase Framework for Learning Logical Structures of Paragraphs in Legal Articles. ACM Transactions on Asian Language Information Processing (ACM TALIP), Volume 12, Number 1, Article 3, 2013.[Paper] (SCIE, Q3, IF 1.92)

14. Minh Quang Nhat Pham, Minh Le Nguyen, Bach Xuan Ngo, Akira Shimazu. A learning-to-rank method for information updating task. Applied Intelligence, Volume 37, Number 4, pp. 499-510, 2012.[Paper] (SCIE, Q2, IF 5.086)

15. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. RRE Task: The Task of Recognition of Requisite Part and Effectuation Part in Law Sentences. International Journal of Computer Processing Of Languages (IJCPOL), Volume 23, Number 2, pp. 109-130, 2011.[Paper]

Journal Articles (National)

1. Nguyễn Hoàng Anh, Ngô Xuân Bách. Giải pháp khuyến nghị tin tức trên cổng thông tin điện tử dựa theo phiên. Tạp chí Khoa học Công nghệ Thông tin và Truyền thông, Trang 39-48, Số 04, năm 2022. 

2. Nguyễn Đỗ Hải, Nguyễn Thị Yến, Ngô Xuân Bách, Từ Minh Phương. Khuyến nghị bài viết cho diễn đàn trực tuyến sử dụng học sâu. Tạp chí Khoa học Công nghệ Thông tin và Truyền thông, Trang 47-55, Số 03, 2022. 

3. Pham Hoang Anh, Ngo Xuan Bach, Tu Minh Phuong. Dual Transformer Encoders for Session-based Recommendation. Journal of Computer Science and Cybernetics, Volume 37, Number 4, pp. 511-527, 2021. [Paper]  

4. Nguyễn Thị Thanh Thủy, Đặng Bảo Chiến, Triệu Khương Duy, Ngô Xuân Bách, Từ Minh Phương. Phân loại quan hệ tham chiếu trong văn bản pháp quy. Tạp chí Khoa học Công nghệ Thông tin và Truyền thông, Trang 69-78, Số 3 năm 2020. 

5. Nguyen Thi Minh Huyen, Nguyen Viet Hung, Ngo The Quyen, Vu Xuan Luong, Tran Mai Vu, Ngo Xuan Bach, Le Anh Cuong. VLSP Shared Task: Sentiment Analysis. Journal of Computer Science and Cybernetics, Volume 34, Number 4, pp. 295-310, 2018. [Paper]

Book Chapters

1. Ngo Xuan Bach, Kunihiko Hiraishi, Nguyen Le Minh, Akira Shimazu. A Joint Model for Vietnamese Part-of-Speech Tagging Using Dual Decomposition. Knowledge-based Information Systems in Practice, Chapter 20, pp. 353-367, Springer, 2015. [Paper]

International Refereed Conference Papers

2023

1. Nguyen Van Tue. Ngo Xuan Bach, Tu Minh Phuong. Leveraging Local Consecutive Information for Session-Based Recommendation. In Proceedings of the IEEE-RIVF International Conference on Computing and Communication Technologies, Hanoi, Vietnam, December 2023 (Best Paper Award).

2. Nguyen Anh Tu, Hoang Thi Thu Uyen, Tu Minh Phuong, Ngo Xuan Bach. Joint Multiple Intent Detection and Slot Filling with Supervised Contrastive Learning and Self-Distillation. In Proceedings of the 26th European Conference on Artificial Intelligence (ECAI), pp. 2370-2377, Krakow, Poland, October 2023. [Paper]    

3. Nguyen Anh Tu, Duong Xuan Hieu, Tu Minh Phuong, Ngo Xuan Bach. A Bidirectional Joint Model for Spoken Language Understanding. In Proceedings of the 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes, Greece, June 2023. [Paper] 

2022

1. Cuong Manh Nguyen, Ngo Xuan Bach, Tu Minh Phuong. Combining User Specific and Global News Features for Neural News Recommendation. In Proceedings of the 14th Asian Conference on Intelligent Information and Database Systems (ACIIDS), pp. 648–660, Ho Chi Minh City, Vietnam, November 2022 (Nominated for the Best Paper Award). [Paper]

4. Oanh Thi Tran, Anh Cong Phung, Bach Xuan Ngo. Using Convolution Neural Network with BERT for Stance Detection in Vietnamese. In Proceedings of the 13th International Conference on Language Resources and Evaluation (LREC), pp. 7220-7225, Marseille, France, June 2022. [Paper]

2021

1. Nguyen Anh Tu, Hoang Thi Thu Uyen, Tu Minh Phuong, Ngo Xuan Bach. Analyzing Vietnamese Legal Questions using Deep Neural Networks with Biaffine Classifiers. In Proceedings of the 28th International Conference on Neural Information Processing (ICONIP), Part II, pp. 513-525, Online, December 2021. [Paper]  

2020

1. Phi Manh Kien, Nguyen Ha Thanh, Ngo Xuan Bach, Vu Tran, Nguyen Le Minh, Tu Minh Phuong. Answering Legal Questions by Learning Neural Attentive Text Representation. In Proceedings of the 28th International Conference on Computational Linguistics (COLING), pp. 988–998, Barcelona, Spain (Online), December 2020. [Paper] 

2. Nguyen Thi Thanh Thuy, Ngo Xuan Bach, Tu Minh Phuong. Leveraging Foreign Language Labeled Data for Aspect-Based Opinion Mining. In Proceedings of the IEEE-RIVF International Conference on Computing and Communication Technologies, Ho Chi Minh City, Vietnam, April 2020. [Paper] 

2019

1. Ngo Xuan Bach, Nguyen Thi Thanh Thuy, Dang Bao Chien, Trieu Khuong Duy, To Minh Hien, Tu Minh Phuong. Reference Extraction from Vietnamese Legal Documents. In Proceedings of the 10th International Symposium on Information and Communication Technology (SoICT), pp. 486-493, Hanoi - Ha Long, Vietnam, December 2019. [Paper]

2. Pham Hoang Anh, Ngo Xuan Bach, Tu Minh Phuong. Session-Based Recommendation with Self-Attention. In Proceedings of the 10th International Symposium on Information and Communication Technology (SoICT), pp. 1-8, Hanoi - Ha Long, Vietnam, December 2019. [Paper]  

3. Ngo Xuan Bach, Trieu Khuong Duy, Tu Minh Phuong. A POS Tagging Model for Vietnamese Social Media Text using BiLSTM-CRF with Rich Features. In Proceedings of the 16th Pacific Rim International Conference on Artificial Intelligence (PRICAI), Part III, pp. 206-219, Yanuca Island, Cuvu, Fiji, August 2019 (Nominated for the Best Paper Award). [Paper]  

2018

1. Dang Hoang Long, Minh-Tien Nguyen, Ngo Xuan Bach, Le-Minh Nguyen, Tu Minh Phuong. An Entailment-based Scoring Method for Content Selection in Document Summarization. In Proceedings of the 9th International Symposium on Information and Communication Technology (SoICT), pp. 122-129, Da Nang City, Vietnam, December 2018. [Paper]   

2. Nguyen Thi Thanh Thuy, Ngo Xuan Bach, Tu Minh Phuong. Cross-Language Aspect Extraction for Opinion Mining. In Proceedings of the 10th International Conference on Knowledge and Systems Engineering (KSE), pp. 67-72, Ho Chi Minh City, Vietnam, November, 2018. [Paper]

3. Tu Minh Phuong, Tran Cong Thanh, Ngo Xuan Bach. Combining User-based and Session-based  Recommendations with Recurrent Neural Networks. In Proceedings of the 25th International Conference on Neural Information Processing (ICONIP), Part I, pp. 487-498, Siem Reap, Cambodia, December 2018.[Paper]

2017

1. Ngo Xuan Bach, Le Cong Linh, Tu Minh Phuong. Cross-Domain Intention Detection in Discussion Forums. In Proceedings of the 8th International Symposium on Information and Communication Technology (SoICT), pp. 173-180, Nha Trang, Vietnam, December 2017.[Paper]

2. Ngo Xuan Bach, Le Thi Ngoc Cham, Tran Ha Ngoc Thien, Tu Minh Phuong. Question Analysis for Vietnamese Legal Question Answering. In Proceedings of the 9th International Conference on Knowledge and Systems Engineering (KSE), pp. 154-159, Hue City, Vietnam, October 2017. [Paper]

2016

1. Ngo Xuan Bach, Vu Thanh Hai, Tu Minh Phuong. Cross-Domain Sentiment Classification with Word Embeddings and Canonical Correlation Analysis. In Proceedings of the 7th International Symposium on Information and Communication Technology (SoICT), pp. 159-166, Ho Chi Minh City, Vietnam, December 2016. [Paper]

2. Ngo Xuan Bach, Nguyen Dieu Linh, Tu Minh Phuong. Vietnamese POS Tagging for Social Media Text. In Proceedings of the 23rd International Conference on Neural Information Processing (ICONIP), Part III, pp. 233-242, Kyoto, Japan, October 2016.[Paper]

2015

1. Ngo Xuan Bach, Pham Duc Van, Nguyen Dinh Tai, Tu Minh Phuong. Mining Vietnamese Comparative Sentences for Sentiment Analysis. In Proceedings of the 7th International Conference on Knowledge and Systems Engineering (KSE), pp. 162-167, Ho Chi Minh City, Vietnam, October 2015.[Paper]

2. Ngo Xuan Bach, Tran Thi Oanh, Nguyen Trung Hai, Tu Minh Phuong. Paraphrase Identification in Vietnamese Documents. In Proceedings of the 7th International Conference on Knowledge and Systems Engineering (KSE), pp. 174-179, Ho Chi Minh City, Vietnam, October 2015.[Paper]

3. Ngo Xuan Bach, Tu Minh Phuong. Leveraging User Ratings for Resource-Poor Sentiment Classification. In Proceedings of the 19th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES), Procedia Computer Science, pp. 322–331, Singapore, September 2015.[Paper]

2014

1. Nguyen Thi Duyen, Ngo Xuan Bach, Tu Minh Phuong. An Empirical Study on Sentiment Analysis for Vietnamese. In Proceedings of the International Conference on Advanced Technologies for Communications (ATC), Special session on Computational Science and Computational Intelligence (CSCI), pp. 309-314, Hanoi, Vietnam, October 2014. [Paper]

2. Oanh Thi Tran, Bach Xuan Ngo, Minh Le Nguyen, Akira Shimazu. Answering Legal Questions by Mining Reference Information. New Frontiers in Artificial Intelligence, LNAI 8417, pp. 214-229, 2014. [Paper]

2013

1. Nguyen Do Hai, Tran Quang An, Ngo Xuan Bach, Tu Minh Phuong. What Should I Comment: Recommending Posts for Commenting. In Proceedings of the 5th International Conference of Soft Computing and Pattern Recognition (SoCPaR), pp. 117-122, Hanoi, Vietnam, December 2013.[Paper]

2. Oanh Thi Tran, Bach Xuan Ngo, Minh Le Nguyen, Akira Shimazu. Reference Resolution in Japanese Legal Texts at Passage Levels. In Proceedings of the 5th International Conference on Knowledge and Systems Engineering (KSE), pp. 237-249, Hanoi, Vietnam, October 2013.[Paper]

3. Ngo Xuan Bach, Kunihiko Hiraishi, Nguyen Le Minh, Akira Shimazu. Dual Decomposition for Vietnamese Part-of-Speech Tagging. In Proceedings of the 17th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES), Procedia Computer Science, pp. 123-131, Kitakyushu, Japan, September 2013. [Paper]

4. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. EDU-Based Similarity for Paraphrase Identification. In Proceedings of the 18th International Conference on Applications of Natural Language to Information Systems (NLDB), LNCS 7934, pp. 65-76, Manchester, United Kingdom, June 2013 (Received Outstanding Paper Award for Young Researchers in Computer & Communications 2013, awarded by NEC C&C Foundation).[Paper]

2012

1. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. UDRST: A Novel System for Unlabeled Discourse Parsing in the RST Framework. In Proceedings of the 8th International Conference on Natural Language Processing (JapTAL), LNCS/LNAI 7614, pp. 250-261, Kanazawa, Japan, October 2012.[Paper]

2. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. A Reranking Model for Discourse Segmentation using Subtree Features. In Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2012 Conference), pp.160-168, Seoul, South Korea, July 2012.[Paper]

2011

1. Oanh Thi Tran, Bach Xuan Ngo, Minh Le Nguyen, Akira Shimazu. A Listwise Approach to Coreference Resolution in Multiple Languages. In Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation (PACLIC), pp. 400-409, Singapore, December 2011.[Paper]

2. Ngo Xuan Bach, Nguyen Le Minh, Tran Thi Oanh, Akira Shimazu. Learning Logical Structures of Paragraphs in Legal Articles. In Proceedings of the 5th International Joint Conference on Natural Language Processing (IJCNLP), pp. 20-28, Chiang Mai, Thailand, November 2011, ACL-AFNLP.[Paper]

3. Le-Minh Nguyen, Ngo Xuan Bach, Akira Shimazu. Supervised and Semi-Supervised Sequence Learning for Recognition of Requisite Part and Effectuation Part in Law Sentences. In Proceedings of the 9th International Workshop on Finite-State Methods and Natural Language Processing (FSMNLP), pp. 21-29, Blois, France, July 2011.[Paper]

2010

1. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. Exploring Contributions of Words to Recognition of Requisite Part and Effectuation Part in Law Sentences. In Proceedings of the 4th International Workshop on Juris-Informatics (JURISIN), pp. 121-132, Tokyo, Japan, November 2010.

2. Le Minh Nguyen, Xuan Bach Ngo, Viet Cuong Nguyen, Quang Nhat Minh Pham and Akira Shimazu. A Semi-Supervised Learning Method for Vietnamese Part-of-Speech Tagging. In Proceedings of the 2nd International Conference on Knowledge and Systems Engineering (KSE), pp. 141-146, Hanoi, Vietnam, October 2010.[Paper]

3. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. Recognition of Requisite Part and Effectuation Part in Law Sentences. In Proceedings of the 23rd International Conference on the Computer Processing of Oriental Languages (ICCPOL), pp. 29-34, San Francisco, California, USA, July 2010.

4. Ngo Xuan Bach, Nguyen Le Minh, Akira Shimazu. Recognition of Requisite Part and Effectuation Part in Law Sentences. In Proceedings of 16th Annual Meeting of Association for Natural Language Processing (NLP), pp. 35-38, Tokyo, Japan, March 2010.[Paper]

Before 2010

1. Ngo Xuan Bach, Le Anh Cuong, Nguyen Viet Ha, Nguyen Ngoc Binh. Transformation Rule Learning without Rule Templates: A Case Study in Part of Speech Tagging. In Proceedings of the 7th International Conference on Advanced Language Processing and Web Information Technology (ALPIT), pp. 9-14, Dalian China, July 2008.[Paper]

2. Ngô Xuân Bách, Lê Anh Cường, Nguyễn Việt Hà, Nguyễn Ngọc Bình. Một mô hình học các luật chuyển đổi cho bài toán gán nhãn từ loại. Kỷ yếu Hội thảo quốc gia lần thứ 11 “Một số vấn đề chọn lọc của Công nghệ thông tin và Truyền thông”, Huế, tháng 6 2008 (In Vietnamese).

3. Ngô Xuân Bách, Ngô Quốc Tạo. Ứng dụng mô hình mạng nơron trong nhận dạng chữ viết tay rời rạc hạn chế trực tuyến. Kỷ yếu Hội nghị khoa học kỷ niệm 30 năm thành lập viện Công nghệ thông tin, viện Khoa học và Công nghệ Việt Nam, pp. 483-488, Hà Nội 2006 (In Vietnamese).