%0 Conference Paper %B Proceedings of the 2nd International Workshop on Variability and Complexity in Software Design (VACE 2017), a ICSE workshop %D 2017 %T Type-Safe Evolution of Web Services %A João Campinhos %A João Costa Seco %A Cunha, Jácome %C Buenos Aires, Argentina %I ACM SIGSOFT and IEEE TCSE %> https://docentes.fct.unl.pt/sites/default/files/jmc-cunha/files/main_1.pdf