メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.58144957075 34.8416320632392, 136.581417245642 34.8416634169016, 136.580562666373 34.8424557258614, 136.580372079306 34.8426305217034, 136.579725112769 34.8432237200638, 136.579055760671 34.8437690615125, 136.577870465573 34.8427702741228, 136.577290297589 34.8422582104555, 136.576852868594 34.8419030824254, 136.576648018024 34.8417319317747, 136.576922411857 34.8415146282097, 136.57837021425 34.8403675266355, 136.579629617964 34.8393406097908, 136.58006224083 34.8397958986055, 136.581200166053 34.8410444151165, 136.581337302872 34.8412001770789, 136.581628035782 34.8414955656982, 136.58144957075 34.8416320632392)) ^^http://www.opengis.net/ont/geosparql#wktLiteral