Marco SáLuís CarriçoLuís DuarteTiago Reis2010-05-212014-11-142010-05-212014-11-1420082008978-1-59593-753-7http://hdl.handle.net/10451/14916http://repositorio.ul.pt/handle/10455/5913engComputer ScienceMulti-Purpose Proactive m-Artifactsjournal article