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    { "id" : "http://dbpedia.org/resource/Mercator_projection"
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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Mercator projection is a cylindrical map projection presented by the Flemish geographer and cartographer Gerardus Mercator in 1569. It became the standard map projection for nautical purposes because of its ability to represent lines of constant course, known as rhumb lines or loxodromes, as straight segments that conserve the angles with the meridians." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://en.wikipedia.org/wiki/Special:FilePath/Mercator_projection_SW.jpg?width=300"] } } }
