メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.743596615136 37.1711819798798, 138.743518234785 37.1711010388096, 138.743449219796 37.1710386635664, 138.74317369604 37.1711773620251, 138.743002902264 37.1712273477412, 138.741776204222 37.1715820914769, 138.741556242738 37.1708409291243, 138.740397003196 37.1711232069891, 138.738690951296 37.1715386091305, 138.737280935301 37.1678790206772, 138.738495605291 37.1675714462597, 138.73857028076 37.1675612977506, 138.738615999497 37.1675745113566, 138.738808181227 37.1679625276072, 138.738841472758 37.1679890004699, 138.738903774568 37.1679954920686, 138.739181845387 37.1679750052192, 138.739306460608 37.1679980537377, 138.739647211666 37.1681035980251, 138.739925619159 37.1681892720629, 138.740141556002 37.1682087561459, 138.740261909223 37.1681985837104, 138.740583196892 37.1681718794473, 138.740922799593 37.1680743126376, 138.741188639202 37.1679978744813, 138.743017725632 37.1672835527328, 138.743109456 37.1674626056354, 138.743383901262 37.168956170718, 138.74456527956 37.1688098943815, 138.744548700106 37.1689807921845, 138.7444963526 37.1692036518807, 138.744205028938 37.1701430632858, 138.743899244294 37.1709711326358, 138.743596615136 37.1711819798798)) ^^http://www.opengis.net/ont/geosparql#wktLiteral