Marcos Aurélio Domingues Carlos Soares Alípio Mário Jorge A Web-Based System to Monitor the Quality of Meta-Data in Web Portals. 188-191 2006 conf/iat/2006w IAT Workshops http://doi.ieeecomputersociety.org/10.1109/WI-IATW.2006.24 db/conf/iat/iatw2006.html#DominguesSJ06