Thomas Mandl Fredric C. Gey Giorgio Maria Di Nunzio Nicola Ferro Ray R. Larson Mark Sanderson Diana Santos Christa Womser-Hacker Xing Xie GeoCLEF 2007: The CLEF 2007 Cross-Language Geographic Information Retrieval Track Overview. 745-772 2007 CLEF http://dx.doi.org/10.1007/978-3-540-85760-0_96 conf/clef/2007 db/conf/clef/clef2007.html#MandlGNFLSSWX07