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    { "id" : "http://dbpedia.org/resource/SM_U-138"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "SM U-138 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-138 was engaged in the naval warfare and took part in the First Battle of the Atlantic." ] ,
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        "http://dbpedia.org/ontology/class" : [ "http://dbpedia.org/resource/German_Type_U_127_submarine" ] ,
        "http://dbpedia.org/ontology/commissioningDate" : [ "1918-03-26Z" ] ,
        "http://dbpedia.org/ontology/country" : [ "http://dbpedia.org/resource/German_Empire" ] ,
        "http://dbpedia.org/ontology/height" : [ 9.460000000000001 ] ,
        "http://dbpedia.org/ontology/length" : [ 83.5 ] ,
        "http://dbpedia.org/ontology/orderDate" : [ "1916-05-27Z" ] ,
        "http://dbpedia.org/ontology/powerType" : [ "http://dbpedia.org/resource/Electric_motor",
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        "http://dbpedia.org/ontology/shipDisplacement" : [ 1534000000,
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        "http://dbpedia.org/ontology/shipLaunch" : [ "1917-01-12Z" ] ,
        "http://dbpedia.org/ontology/topSpeed" : [ 31.484] } } }
