Online GIS and Spatial Metadata

["Geographic information systems" "World wide web" "Metadata" "Syst\u00e8mes d'information g\u00e9ographique" "M\u00e9tadonn\u00e9es" "SCIENCE" "Earth Sciences" "Geography" "TRAVEL" "Budget" "Hikes & Walks" "Museums Tours Points of Interest" "Parks & Campgrounds" "World Wide Web"]