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CITIZENS AS SENSORS: THE WORLD OF VOLUNTEERED GEOGRAPHY Michael F. Goodchild 1 ABSTRACT In recent months there has been an explosion of interest in using the Web to create, assemble, and
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Document Date: 2007-09-19 10:30:28
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CITIZENS AS SENSORS: THE WORLD OF VOLUNTEERED GEOGRAPHY Michael F. Goodchild 1 ABSTRACT In recent months there has been an explosion of interest in using the Web to create, assemble, and