7 papers
From Prompts to Context: An Ontology-Driven Framework for Human-Generative AI Collaboration
Ngoc Luyen Le, Marie-Hélène Abel, Bertrand Laforge
Collaborations with Generative AI often begin with a short prompt and end with an opaque output, leaving implicit who was involved, what task was being pursued, which resources wer…
From Learning Resources to Competencies: LLM-Based Tagging with Evidence and Graph Constraints
Ngoc Luyen Le, Marie-Hélène Abel, Bertrand Laforge
Linking learning resources to a structured competency framework is key to enabling competency-based search and curriculum analytics in Learning Management Systems (LMS). However, m…
When Can We Trust Early Warnings? Leakage-Excluded Early Outcome Prediction from LMS Interaction Logs
Ngoc Luyen Le, Marie-Hélène Abel, Bertrand Laforge
Early-warning models built from Learning Management System (LMS) logs aim to predict end-of-course outcomes early enough to enable timely learner support. However, reported "early"…
Development of Ontological Knowledge Bases by Leveraging Large Language Models
Le Ngoc Luyen, Marie-Hélène Abel, Philippe Gouspillou
Ontological Knowledge Bases (OKBs) play a vital role in structuring domain-specific knowledge and serve as a foundation for effective knowledge management systems. However, their t…
Automated Skill Decomposition Meets Expert Ontologies: Bridging the Granularity Gap with LLMs
Le Ngoc Luyen, Marie-Hélène Abel
This paper investigates automated skill decomposition using Large Language Models (LLMs) and proposes a rigorous, ontology-grounded evaluation framework. Our framework standardizes…
How Well Do LLMs Predict Prerequisite Skills? Zero-Shot Comparison to Expert-Defined Concepts
Ngoc Luyen Le, Marie-Hélène Abel
Prerequisite skills - foundational competencies required before mastering more advanced concepts - are important for supporting effective learning, assessment, and skill-gap analys…
From Individual to Group: Developing a Context-Aware Multi-Criteria Group Recommender System
Ngoc Luyen Le, Marie-Hélène Abel
Group decision-making is becoming increasingly common in areas such as education, dining, travel, and finance, where collaborative choices must balance diverse individual preferenc…