Mounira Harzallah Giuseppe Berio François Vernadat Analysis and Modeling of Individual Competencies: Toward Better Management of Human Resources. 187-207 2006 36 IEEE Transactions on Systems, Man, and Cybernetics, Part A 1 http://doi.ieeecomputersociety.org/10.1109/TSMCA.2005.859093 db/journals/tsmc/tsmca36.html#HarzallahBV06