Resume
This work is cataloged in the Scientific Portal. Officially published in IFIP – The International Federation for Information Processing (2008). Referenced as: "Martins, Célia Talma; Azevedo, Américo; Pinto, H. Sofia; Oliveira, Eugénio".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.1007/978-0-387-09492-2_18