COLIEE 2026 Workshop Program
Date: 12th June 2026
Venue: ICAIL 2026, Singapore Management University (SMU), Singapore + Online (Hybrid)
All times are in UTC+8
Schedule at a Glance
| Time | Session |
|---|---|
| 9:00 - 9:20 | Opening and award ceremony |
| 9:20 - 10:30 | Oral Session 1 |
| 10:30 - 11:00 | Tea break |
| 11:00 - 12:30 | Poster Session 1 |
| 12:30 - 13:30 | Lunch |
| 13:30 - 14:30 | Oral Session 2 |
| 14:30 - 16:00 | Poster Session 2 |
| 16:00 - 16:30 | Tea break |
| 16:30 - 17:20 | Discussion |
| 17:20 - 17:30 | Closing |
Opening (9:00 - 9:20)
- 9:00 - 9:20 Opening and award ceremony
Oral Session 1 (9:20 - 10:30)
| Time | Mode | Topic | Presenter |
|---|---|---|---|
| 9:20 - 10:00 | In-person | Overview | COLIEE Organizers |
| 10:00 - 10:15 | Online | Task 1 winner | NOWJ |
| 10:15 - 10:30 | Online | Task 2 winner | IAI |
Tea break (10:30 - 11:00)
Poster Session 1 (11:00 - 12:30)
Short presentation and poster. After the short presentations, the hybrid poster session will start.
| Format | Team | Title |
|---|---|---|
| In-person | Bengo | Bengo at COLIEE 2026: Hierarchy-Aware Retrieval and Reflection-Based Entailment for Japanese Statute Law |
| In-person | BJPWH | BJPWH at COLIEE 2026 Task 1: Combining BM25 and Dense Retrieval with Year-Based Filtering for Legal Case Retrieval |
| In-person | ClaUSurf | ClaUSurf@COLIEE 2026 Task 2: A Two-Stage Retrieve-then-Reason Approach for Legal Case Entailment |
| In-person | mezza | Optimization over Complexity: A Hybrid Multi-Stage Pipeline for Legal Case Retrieval |
| Online | ABAI | ABAI at COLIEE 2026 Task 1: Multi-Stage Retrieval with GraphRAG-Enhanced Meta-Learning for Case Law Retrieval |
| Online | AICSL | AI in Complex Systems Lab @COLIEE2026: Applying Hybrid NLP Methods for Legal Case Retrieval and Entailment |
| Online | AIIRLab | AIIRLab at COLIEE 2026: Fusion of Instruction-Tuned LLMs and Cross-Encoders for Legal Case Entailment |
| Online | IAI | Enhancing Inferential Consistency in LLM-Based Legal Entailment |
| Online | NOWJ | NOWJ@COLIEE 2026: Adaptive Pipelines for Legal Retrieval and Reasoning |
| Online | NRCBMU | Hybrid Multi-Stage Framework for Legal Case Retrieval and Entailment |
| Online | SACH | SACH - Sourcing Accurate Cases without Hallucinations at scale |
| Online | UA | An Empirical Study on Hybrid Large Language Model Methods for Legal Information Retrieval and Entailment Tasks |
Lunch (12:30 - 13:30)
Oral Session 2 (13:30 - 14:30)
| Time | Mode | Topic | Presenter |
|---|---|---|---|
| 13:30 - 13:45 | Online | Task 3 winner | NOWJ |
| 13:45 - 14:00 | Online | Task 4 winner | DU |
| 14:00 - 14:15 | Online | PL Tort winner | JNLP |
| 14:15 - 14:30 | Online | PL Rational winner | UIT |
Poster Session 2 (14:30 - 16:00)
Short presentation and poster. After the short presentations, the hybrid poster session will start.
| Format | Team | Title |
|---|---|---|
| In-person | cody | GraphRAG for Statutory Retrieval and Entailment |
| In-person | HUKB | HUKB@COLIEE 2026: A Reasoning-Guided Framework for Statute Retrieval and Legal Entailment |
| In-person | KIS | KIS at COLIEE 2026 Pilot Task: Knowledge Retrieval from Judgment Documents for Legal Judgment Prediction Task |
| In-person | RUG | Towards an Agentic Approach for Legal Reasoning Tasks |
| Online | DU | Cross-Architecture LLM Ensembles, Feature-Based Reranking and Retrieval-Augmented Prompting for Legal Information Processing |
| Online | JNLP | JNLP at COLIEE 2026: Multi-Stage Hybrid LLM Framework for Case Law Retrieval, Statute Entailment, and Tort Prediction |
| Online | INTIT | INTIT at COLIEE-2026: Reasoning-Aware Sparse Retrieval with Structured Legal Metadata |
| Online | JUNLLP | Strategic Formulation of the Decoupled Architecture for Legal Case Entailment: Overcoming the Context Paradox and Lexical Traps |
| Online | SCIlab | SCIlab at COLIEE 2026: Knowledge Graph-Augmented Retrieval and Reasoning for Legal Question Answering |
| Online | SIL | SIL@COLIEE 2026: Lightweight Citation-Aware Retrieval with Ensemble Scoring |
| Online | UCD-CS | UCDCS at COLIEE 2026: A Multi-Stage Framework for Legal Case Retrieval via Structural Abstraction and Specialised LLMs |
| Online | UIT-TortNLP | UIT-TortNLP: Multi-task Learning and Large Language Models Approaches for Japanese Tort cases at COLIEE 2026 |
Tea break (16:00 - 16:30)
Discussion (16:30 - 17:20)
In-person, led by the COLIEE Organizers.
- Discussion for the future COLIEE
- Analysis of Legal Case Retrieval Systems and Proposal of an Evaluation Framework Focusing on Bibliographic Coupling