Designed and developed knowledge bases for skill management, incorporating ontologies to represent competencies and learner profiles. Built a recommender system for training programs and courses, tailored to individual skill gaps, career objectives, and contextual constraints. Contributed to the development of a skill management portal, enhanced with LLMs and Generative AI.

Built a recommender system for vehicle buying and selling. Developed ontologies for vehicle models and transactions, proposed user profile-based ontologies, introduced a method for estimating RDF semantic similarity, and implemented a personalized recommender using Protégé , SPARQL, AllegroGraph, and Python.

Proposed methods for automatically constructing CCG trees and ontologies to detect missing info in appointment requests at Crédit Mutuel ARKÉA. Introduced a supervised sequence-to-sequence model for super-labeling and a new French CCG resource. Developed semantic representations of French discourse.

Taught "Information Technology Fundamentals" to first-year students and courses in Software Engineering: Java Programming, Web Development, Algorithms and Data Structures.

Designed and developed web and desktop apps for businesses in Da Lat using .NET frameworks (C#, ASP.NET, SQL).

Studied and developed a knowledge-based system for big data (phenotyping data of rice - O. Sativa) using Semantic Web technologies, RDF, ontologies, and big data platforms like MongoDB and Neo4j.