Information and interactionHenno, JaakInformation modelling and knowledge bases XXVIII2017 / p. 426-449 http://dx.doi.org/10.3233/978-1-61499-720-7-426 Refactoring - key to success for constantly developed projectsPƵld, Janari; Kalja, Ahto; Robal, TarmoInformation modelling and knowledge bases XXVIII2017 / p. 13-22 http://doi.org/10.3233/978-1-61499-720-7-13