メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.254538738514 36.6137608491562, 137.254976959604 36.6136685692169, 137.255345415166 36.6146614719615, 137.255640438986 36.6155191764389, 137.254281564489 36.6158274569631, 137.253739051466 36.6159988109355, 137.253344272392 36.6161760379772, 137.253086373806 36.6162934571253, 137.252942217356 36.6163625624512, 137.252670934082 36.616492522929, 137.252639455116 36.6162418228878, 137.252713926618 36.6162352905186, 137.252615541219 36.6155514160825, 137.251477356197 36.6156277186393, 137.25147326968 36.6155709010606, 137.252288239207 36.6153528906801, 137.25205915242 36.6147762016561, 137.251907756681 36.614385193388, 137.253089958993 36.6140898145236, 137.254538738514 36.6137608491562)) ^^http://www.opengis.net/ont/geosparql#wktLiteral