GIR Experimentation. - Geoffrey Andogah (CLEF, 2006)

Relevance Measures Using Geographic Scopes and Types. - Geoffrey Andogah; Gosse Bouma (CLEF, 2007)

University of Groningen at GeoCLEF 2007. - Geoffrey Andogah; Gosse Bouma (CLEF (Working Notes), 2007)

Every document has a geographical scope. - Geoffrey Andogah; Gosse Bouma; John Nerbonne (Data Knowl. Eng., 2012)