メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.069509087436 38.3911810614186, 141.067754184663 38.3904859616429, 141.067783617965 38.3903088124321, 141.068206802958 38.3897412175703, 141.068594937551 38.3893374076473, 141.068904695273 38.3890259600111, 141.069436192424 38.388427875851, 141.069925716803 38.3878837890828, 141.070015781637 38.387777606067, 141.070096747943 38.3876437098736, 141.070116333014 38.3875061364421, 141.070129382949 38.3874351614968, 141.070344397527 38.3874189580237, 141.070377317979 38.3875467108321, 141.070553114829 38.388175035298, 141.070140018299 38.3879987856813, 141.069963845543 38.3888874069664, 141.069881053444 38.3888716682386, 141.069812047901 38.3891230837267, 141.069914968081 38.389133854427, 141.069509087436 38.3911810614186)) ^^http://www.opengis.net/ont/geosparql#wktLiteral