6 papers
NOWJ@COLIEE 2026: Adaptive Pipelines for Legal Retrieval and Reasoning
Thuong-Hieu Ngo, Hoang-Trung Nguyen, Huu-Dong Nguyen +5
This paper presents the methodologies and results of the NOWJ team's participation across all five tasks of the COLIEE 2026 competition. For Task 1 (Legal Case Retrieval), we propo…
L-MAD: A Systematic Evaluation of Multi-Agent Debate Structures in Legal Reasoning
Tan-Minh Nguyen, Hoang-Trung Nguyen, Huu-Dong Nguyen +3
While multi-agent debate (MAD) frameworks have shown significant potential in general reasoning, their effectiveness in highly structured, knowledge-heavy legal domains remains und…
NOWJ@COLIEE 2025: A Multi-stage Framework Integrating Embedding Models and Large Language Models for Legal Retrieval and Entailment
Hoang-Trung Nguyen, Tan-Minh Nguyen, Xuan-Bach Le +5
This paper presents the methodologies and results of the NOWJ team's participation across all five tasks at the COLIEE 2025 competition, emphasizing advancements in the Legal Case…
VLQA: The First Comprehensive, Large, and High-Quality Vietnamese Dataset for Legal Question Answering
Tan-Minh Nguyen, Hoang-Trung Nguyen, Trong-Khoi Dao +3
The advent of large language models (LLMs) has led to significant achievements in various domains, including legal text processing. Leveraging LLMs for legal tasks is a natural evo…
Constructing a Knowledge Graph for Vietnamese Legal Cases with Heterogeneous Graphs
Thi-Hai-Yen Vuong, Minh-Quan Hoang, Tan-Minh Nguyen +2
This paper presents a knowledge graph construction method for legal case documents and related laws, aiming to organize legal information efficiently and enhance various downstream…
NeCo@ALQAC 2023: Legal Domain Knowledge Acquisition for Low-Resource Languages through Data Enrichment
Hai-Long Nguyen, Dieu-Quynh Nguyen, Hoang-Trung Nguyen +5
In recent years, natural language processing has gained significant popularity in various sectors, including the legal domain. This paper presents NeCo Team's solutions to the Viet…