メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.37288638853 34.8913924725112, 135.372552546782 34.891427725845, 135.372440047418 34.8914398862364, 135.37229205476 34.8910031530339, 135.372255186944 34.8907502059234, 135.372275247484 34.8905585377767, 135.372254506362 34.8903980666015, 135.372151676907 34.8902754839454, 135.372168567923 34.8901239871314, 135.372762063038 34.8902239221891, 135.372930994539 34.8902471969024, 135.373035826051 34.890237003849, 135.373334948942 34.8913449687502, 135.37288638853 34.8913924725112)) ^^http://www.opengis.net/ont/geosparql#wktLiteral