メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.103585404829 39.7119778787928, 141.103570503997 39.7122091006559, 141.103552226516 39.7125845063061, 141.102992933419 39.7126658874615, 141.101276286213 39.7129156665419, 141.100883810005 39.712836013615, 141.101144652527 39.7105721022844, 141.10172882722 39.7106487086907, 141.102211644055 39.710614185449, 141.102550661234 39.7106746402375, 141.102867916049 39.7106961769454, 141.103271632665 39.7107063777579, 141.103560046547 39.7107279795582, 141.103706029399 39.7107208492337, 141.103619911019 39.711442321414, 141.103585404829 39.7119778787928)) ^^http://www.opengis.net/ont/geosparql#wktLiteral