UTL-CL: A Declarative Calculation Language Proposal for a Learning Tracks Analysis Process. - Diem Pham Thi Ngoc; Sébastien Iksal; Christophe Choquet; Evelyne Klinger (ICALT, 2009)

A Generic Modeling of Indicator with UTL - The Collaborative Action Function Example. - Sébastien Iksal; Christophe Choquet; Diem Pham Thi Ngoc (CSEDU (2), 2010)

Re-engineering of Pedagogical Scenarios Using the Data Combination Language and Usage Tracking Language. - Diem Pham Thi Ngoc; Sébastien Iksal; Christophe Choquet (ICALT, 2010)

Using Indicators During Synchronous Tutoring of Practical Work. - Aina Lekira; Christophe Després; Pierre Jacoboni; Christophe Choquet; Sébastien Iksal; Dominique Py; Diem Pham Thi Ngoc (ICALT, 2011)

Spécification et conception de services d'analyse de l'utilisation d'un environnement informatique pour l'apprentissage humain. (Specification and design of usage analysis services for a tel system). - Diem Pham Thi Ngoc (2011)

Modeling of Indicators using UTL - A Study Case with Hop3x System. - Diem Pham Thi Ngoc; Sébastien Iksal; Christophe Choquet (KMIS, 2012)