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Proceedings of the 11th International Workshop on Vietnamese Language and Speech Processing
Luong Chi Mai | Nguyen Thi Minh Huyen | Nguyen Thi Thu Trang

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VLSP 2025 ASR/SER: Vietnamese Speech Recognition and Speech Emotion Recognition Challenge: Technical Analysis and Insights
Manh Hai Cao | Chi Dung Hoang | Quang Trung Le | Van Hai Do

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Speech recognition and speech emotion recognition approach for VLSP 2025
Bui Tien Dat | Nguyen Duy Khanh

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Twinkle-ASR: A lightweight and sufficient framework for the ASR shared task at VLSP 2025
Dang Nguyen Pham | Viet Tien Pham | Minh Nghia Vu | Minh Nguyen Le

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A Comprehensive Pipeline for Vietnamese Speech Recognition and Emotion Recognition
Hy Nguyen Thien

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VLSP 2025 ASR-SER - From Data Exploration to Model Training: A Strategic Approach
Nhat Minh Nguyen | Ngoan Pham Van

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DFAT: Dual-stage Fusion of Acoustic and Text feature for Speech Emotion Recognition
Nhi Nguyen Yen Truong | Sang Le Quang | Huy Tran Quang | Tri Pham Xuan | Duong Tran Ham | Binh Tran Le Hai | Tin Huynh | Kiem Hoang

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VLSP 2025 Shared Task: Speech Quality Assessment for Vietnamese Telecommunication
Bao Thang Ta | Minh Tu Le | Quang Trung Le | Van Hai Do

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Multi-Source Fine-Tuning of Self-Supervised Models for Vietnamese Speech Quality Assessment
Thuc Huu Tran

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EM-VSQA: Enhancing VLSP Speech Quality Assessment with External Data and Multi-Task Learning
Tri Dung Do

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The Vietnamese Spoofing-aware Speaker Verification Challenge 2025: Summary and Results
Phuong Tuan Dat | Hoang Long Vu | Nguyen Thi Thu Trang

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SVBK System Description to the VLSP 2025 Challenge on Vietnamese Spoofing-Aware Speaker Verification
Nguyen Tran Trung | To Duy An | Chu Hoang Viet

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SV++’s Vietnamese Spoofing-Aware Speaker Verification Systems for VLSP 2025
Pham Viet Hoang | Ho Bao Thu | Ha Viet Khanh

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The 2025 VLSP Task on Vietnamese Voice Conversion: Overview and Preliminary Results
Nguyen Thi Thu Trang | Huu Tuong Tu | Le Hoang Anh Tuan

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ViettelRoar: Voice conversion approach for VLSP 2025
Hong Nhat Tran | Tung Luong Nguyen | Thanh Hai Tran

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Twinkle-VC: A Robust and High-Quality Zero-Shot Voice Conversion System for the VLSP 2025 Shared Task
Minh Nghia Vu | Viet Tien Pham | Dang Nguyen Pham | Minh Nguyen Le

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DRILL Shared Task 2025: The Challenge of Deep Retrieval in the Expansive Legal Landscape
Thi-Hai-Yen Vuong | Tan-Minh Nguyen | Hoang-Trung Nguyen | Trong-Khoi Dao | Ha-Thanh Nguyen | Hoang-Quynh Le

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ViDRILL: A Multi-Stage Retrieval Framework for Vietnamese Legal Document Search
Dien X.Tran | Tai D.Truong | Kien C.Nguyen

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Data Augmentation and Hierarchical Chunking for Deep Retrieval in the Expansive Legal Landscape
Le Ba Hoai | Dinh Van Hung | Tran Bao Hieu

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EDM Team’s Approach in DRiLL@VLSP 2025: A Multi-Stage End-to-End Architecture for Deep Retrieval in the expansive Legal Landscape
Tien Duy Pham | Huu Dong Nguyen | The Ngoc Phung

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DRiLL at VLSP 2025: A Simple Two-Stage Retrieval Framework for Vietnamese Legal Document Retrieval
Xuan Duong Hieu | Thanh Dat Do

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Overview of the LegalSLM Shared Task: Evaluating Legal Reasoning of Vietnamese Small Language Models
Anh-Cuong Le | Trong-Chi Duong | Viet-Ha Nguyen | Thang VQ Le

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Bosch@AI_Team at LegalSML 2025: Vietnamese Legal Small Language with Domain Adaptation and Aspect-based Data Synthesis
Tran Minh Quang | Nguyen Xuan Phi | Nguyen Van Tai | Phan Minh Toan | Dang Van Thin

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Can Small Language Models Handle Vietnamese Legal Reasoning? Insights from Multi-Task Evaluation
Long S. T. Nguyen | Hung C. Luu | Quynh T. N. Vo | Hy N. G. La | Hoai M. Tran | Anh T. D. Dinh | Tuan H. Nguyen | Tri N. Ho | Tho T. Quan

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MinLegal at VLSP2025-LegalSLM: A Two-Stage LoRA-to-Full Fine-tuning Approach for Vietnamese Legal Small Language Models
Ngo Dinh Luan | Kiet Nguyen Van

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VLSP 2025 challenge: Numerical Reasoning Question and Answer
Le Ngoc Toan | Ha My Linh | Pham Thi Duc | Ngo The Quyen | Nguyen Thi Minh Huyen

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Enhancing Numerical Reasoning in Vietnamese Financial Question Answering through Program-Centric Policy Optimization
Duc Dinh Chu | Thanh-Bac Nguyen Ba | Duy Dinh Le | Khanh Van Tran

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MoFin: A Small Vietnamese Language Model for Financial Reasoning via Reinforcement Learning
Nguyen Khac Duy | Vo Quang Tri | Le Ho Bao Nhat | Dinh Cong Huy Hoang | Ngo Quang Huy | Huy Tien Nguyen

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Two-Stage Training with Reinforcement Learning for Vietnamese Financial Numerical Reasoning
Nhat-Truong Dinh | Thanh-Trung Ngo | Quoc-Bao Trinh | Duc-Vu Nguyen

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A Graph-Based Agent Approach to Numerical Reasoning Question Answering
Vu Thanh Dat Ha | Quang Nguyen | Thanh Tuan Le | Huan Vu

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VLSP 2025 challenge: Vietnamese Semantic Parsing
Ha My Linh | Pham Thi Duc | Le Ngoc Toan | Nguyen Thi Minh Huyen

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ViAMR: Fine-tuning LLMs for Abstract Meaning Representation in Vietnamese
Dien X. Tran | Nhon T. Vo | Kien C. Nguyen

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VLSP 2025 Shared Task: A Seq2Seq Transformer Approach to Vietnamese Semantic Parsing
Giang Huynh Thi Ha | Thang Nguyen Kien Bao | Tam Vo Minh

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ViSemCrew: Divide and Conquer Vietnamese Semantic Parsing Through Multi-Agent Intelligence
Hao Phu Phan | Khiem Vinh Tran

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An Empirical Study of Large Language Models for Vietnamese Abstract Meaning Representation Parsing
Nhat-Truong Dinh | Thanh-Trung Ngo | Quoc-Bao Trinh | Duc-Vu Nguyen

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VLSP 2025 Shared Task: Vietnamese Temporal Question Answering (TemporalQA)
Pham Thi Duc | Ha My Linh | Le Ngoc Toan | Nguyen Thi Minh Huyen

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Enabling Temporal Commonsense in Vietnamese LLMs – Date-Arith and DurationQA
Duc Dinh Chu | Thanh-Bac Nguyen Ba | Duy Dinh Le | Khanh Van Tran

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Retrieval-Guided Fine-tuning for Vietnamese Event Duration Question Answering
Duong Nguyen Dao | Thanh Xuan Nguyen

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UIT-NTTT at VLSP2025: A Prompt Engineering Approach for Date Arithmetic Reasoning in Vietnamese
Khoa Nguyen-Anh Le | Dang Van Thin

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Robust Vietnamese Duration Question Answering through LoRA-based Ensemble and Adaptive Threshold Calibration
Le Tuan Anh | Do Quang Dung | Do Tien Dung | Vu Minh Dang | Ho Tu Minh

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Robust Vietnamese Date-Arithmetic Question Answering through QDoRA Fine-Tuning and Canonicalized Decoding
Le Tuan Anh | Do Quang Dung | Do Tien Dung | Vu Minh Dang | Ho Tu Minh

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Evaluating LLMs on Vietnamese Duration Question Answering
Nhat-Truong Dinh | Thanh-Trung Ngo | Quoc-Bao Trinh | Duc-Vu Nguyen

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DP-Ens DurationQA: Dual-Prompt Fine-Tuning with Log-Probability Ensemble for Duration Question Answering
Van Thai Le | Ngoc Bui Lam Quang | Dong Duy Nguyen

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Decoupling Reasoning from Language: A Hybrid Architecture for Temporal Reasoning in Vietnamese
Xuan-Truong Quan | Duc Do Minh | Dat Nguyen-Tat | Xuan-Son Quan | Vinh Nguyen Van

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MT Shared Task 2025: Medical domain Machine Translation with Limited-Pretraining models
Tran Hong Viet | Nguyen Tien Khoi | Tran Duy Long | Nguyen Minh Quy | Nguyen Van Vinh

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Vietnamese–English Medical Domain Machine Translation with LLMs and GRPO Optimization Using Verified Rewards
Dang Sy Duy | Nguyen Duy Chien | Chu Ngoc Vuong

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Bilingual English-Vietnamese Medical Translation Model
Long Phung Hoang | Tuyen Nguyen The

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Bosch@AI_Team at MMT 2025: Medical Machine Translation by Bidirectional Training with Small Language Models
Phan Minh Toan | Nguyen Xuan Phi | Nguyen Van Tai | Trang Minh Quang | Dang Van Thin

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VLSP 2025 MLQA-TSR Challenge: Vietnamese Multimodal Legal Question Answering on Traffic Sign Regulation
Son T.Luu | Trung Vo | Hiep Nguyen | Khanh Quoc Tran | Kiet Van Nguyen | Vu Tran | Ngan Luu-Thuy Nguyen | Le-Minh Nguyen

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Reading the Signs: A Graph-Based System for Multimodal Information Retrieval on Vietnamese Traffic Law
Hieu Minh Huynh | An Nguyen Tran Khuong | Dai Phan Trong | Tin Van Huynh

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Metamorphic at VLSP 2025: SIGMA – A Multimodal Agent System for Legal QA on Vietnamese Traffic Signs
Nguyen Tuan Kiet | Nguyen Khanh Tuan Anh | Long Hoang Huu Nguyen | Dam Vu Trong Tai | Dang Van Thin

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A Hybrid Dual-Branch Retrieval and Chain-of-Thought Reasoning Framework for Multimodal Legal Question Answering
Nguyen Van Tien | Mong The Luc | Han Huu Dang

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LexiSignVQA: A Unified Training-free Multi-stage Approach to Multimodal Legal Question Answering on Traffic Sign Rules
Phung Xuan Pham | Duc Quang Le | Tuan Hau Tran | Thinh Nguyen-Truong Huynh

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A low-cost low-energy approach to VQA on traffic signs problems
Vu Dinh Anh | Khiem Vinh Tran | Tran Thi Ha

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Prompting Beyond Pixels: A Training-Free and Retrieval-Enhanced Paradigm for Traffic Question Answering
Vu Thanh Dat Ha | Tuan Huy Tran | Ngoc Chien Chu | Duc Hao Pham | Huan Vu