Gey, FredricLarson, RaySanderson,, MarkBischoff, KerstinMandl, ThomasWomser-Hacker, ChristaSantos, DianaRocha, PauloMontoyo, AndresNunzio, Giorgio M. DiFerro, Nicola2009-11-032009-11-032007-06-082007Fredric Gey; Ray Larson; Mark Sanderson, ; Kerstin Bischoff; Thomas Mandl; Christa Womser-Hacker; Diana Santos; Paulo Rocha; Andres Montoyo; Giorgio M. Di Nunzio; Nicola Ferro. "Challenges to Evaluation of Multilingual Geographic Information Retrieval in GeoCLEF". In Workshop on Evaluation of Information Access (EVIA) May 15 (Tokyo, Japan, May 15 2007) , s/pphttp://hdl.handle.net/10400.26/175http://www.linguateca.pt/superb/busca_publ.pl?idi=1181294751application/pdfengCLEFconference object