メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.763667192248 35.4252537557938, 136.762851321945 35.4254396087251, 136.762953236892 35.4257227854454, 136.762698549898 35.4257804970154, 136.762682909654 35.4257251660997, 136.762591354861 35.4257541225243, 136.762505011628 35.4255230014885, 136.76258861845 35.4255004969802, 136.762510259377 35.4252726770218, 136.762760988129 35.4252149888791, 136.762729540016 35.4251466124285, 136.763531616613 35.4249314213151, 136.763543428986 35.4249607196523, 136.763601134604 35.4249479178309, 136.763708753325 35.425243787711, 136.763667192248 35.4252537557938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral