TY - CONF T1 - A bigger picture: information systems and spatial data infrastructure research perspectives T2 - Global Spatial Data Infrastructure 11 World Conference: SDI Convergence: Building SDI Bridges to Address Global Challenges, Rotterdam, The Netherlands, 15-19 June, 2009 Y1 - 2009 A1 - Georgiadou, Yola A1 - Harvey, Francis A1 - Miscione, Gianluca JF - Global Spatial Data Infrastructure 11 World Conference: SDI Convergence: Building SDI Bridges to Address Global Challenges, Rotterdam, The Netherlands, 15-19 June, 2009 ER -