Humanization of e-services : human interaction metaphor in design of e-servicesMurdvee, MartAdvances and Innovations in Systems, Computing Sciences and Software Engineering2007 / p. 307-311

Metamodel-based comparison of data modelsEessaar, ErkiAdvances and Innovations in Systems, Computing Sciences and Software Engineering2007 / p. 109-114 https://link.springer.com/chapter/10.1007/978-1-4020-6264-3_21