メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.143284705042 35.3324078356856, 137.143547322565 35.3326414932016, 137.144104493766 35.333141842178, 137.143607613954 35.3334091324446, 137.143545662247 35.333443627134, 137.143338520096 35.3335749216653, 137.142996685851 35.3337845671435, 137.142578138859 35.3334195307469, 137.141942643919 35.3328492250443, 137.141964945925 35.3328341602198, 137.141993519761 35.3328121946189, 137.142205926441 35.3326540012864, 137.142449543851 35.3324725038252, 137.142460743903 35.3324641970445, 137.142713468455 35.3322558700076, 137.142934277073 35.3320841557543, 137.143284705042 35.3324078356856)) ^^http://www.opengis.net/ont/geosparql#wktLiteral