Object Class or Association Class? Testing the User Effect on Cardinality Interpretation. - Geert Poels; Frederik Gailly; Ann Maes; Roland Paemeleire (ER (Workshops), 2005)

Measuring the Perceived Semantic Quality of Information Models. - Geert Poels; Ann Maes; Frederik Gailly; Roland Paemeleire (ER (Workshops), 2005)

Evaluating Quality of Conceptual Models Based on User Perceptions. - Ann Maes; Geert Poels (ER, 2006)

Evaluating quality of conceptual modelling scripts based on user perceptions. - Ann Maes; Geert Poels (Data Knowl. Eng., 2007)

The impact of structural complexity on the understandability of UML statechart diagrams. - José A. Cruz-Lemus; Ann Maes; Marcela Genero; Geert Poels; Mario Piattini (Inf. Sci., 2010)

The pragmatic quality of Resources- Events-Agents diagrams: an experimental evaluation. - Geert Poels; Ann Maes; Frederik Gailly; Roland Paemeleire (Inf. Syst. J., 2011)