Silvia Mara Abrahão Cristina Cachero Maristella Matera IWWUA 2008 Workshop PC Chairs' Message. 61-62 2008 WISE Workshops http://dx.doi.org/10.1007/978-3-540-85200-1_8 conf/wise/2008-w db/conf/wise/wise2008w.html#AbrahaoCM08