INESC-ID/IST, Rua Alves Redol, 9 1000-029 Lisboa, Portugal. ana.casimiro@gmail.com|INESC-ID/IST, Rua Alves Redol, 9 1000-029 Lisboa, Portugal. ana.casimiro@gmail.com|INESC-ID/IST, Rua Alves Redol, 9 1000-029 Lisboa, Portugal. ana.casimiro@gmail.com|INESC-ID/IST, Rua Alves Redol, 9 1000-029 Lisboa, Portugal. ana.casimiro@gmail.com