Competency is a central concept for human resource management, training and education.
We define a competency as the capacity of a person to display a generic skill with a certain
level of performance when applied to one or more knowledge entities. Competencies, and
competency referentials grouping competencies, are essential elements for user models, e-
Portfolios, adaptive learning, and personalization in Technology-based learning. But to be
processed both by humans and by software tools, competencies should be represented in a …