Martins, BrunoSilva, Mário J.Chaves, Marcirio Silveira2009-11-032009-11-032006-06-212005Bruno Martins; Mário J. Silva; Marcirio Silveira Chaves. "Challenges and Resources for Evaluating Geographical IR". In Proceedings of the 2005 Workshop On Geographic Information Retrieval, GIR 2005, Bremen, Germany, November 4, 2005 (GIR 2005) (Bremen, Germany, October 2005) , New York, NY, USA: ACM Press, pp. 31-34http://hdl.handle.net/10400.26/153http://www.linguateca.pt/superb/busca_publ.pl?idi=1150901964application/pdfengconference object