Silva, Mário J.Martins, BrunoChaves, Marcirio SilveiraCardoso, NunoAfonso, Ana Paula2009-11-032009-11-032006-02-282004Mário J. Silva; Bruno Martins; Marcirio Silveira Chaves; Nuno Cardoso; Ana Paula Afonso. "Adding Geographic Scopes to Web Resources". In ACM SIGIR Workshop on Geographic Information Retrieval (Sheffield - UK, June 2004) , s/pphttp://hdl.handle.net/10400.26/92http://www.linguateca.pt/superb/busca_publ.pl?idi=1141145843application/pdfengconference object