メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.385224722831 43.7755381271785, 142.384923147452 43.775634292868, 142.384220973851 43.7758360467083, 142.384275756315 43.7759238801728, 142.382812115469 43.7763378240022, 142.382722098996 43.7763632178545, 142.382707316113 43.7763674491543, 142.382661213996 43.7762841865786, 142.381976068442 43.775015426962, 142.381738760434 43.7745509736633, 142.381638292591 43.7743489086429, 142.383113339304 43.7739260346606, 142.38323812229 43.7741444473718, 142.3839931336 43.7739409977774, 142.384234188632 43.7743766624882, 142.38451465561 43.7742987541984, 142.385224722831 43.7755381271785)) ^^http://www.opengis.net/ont/geosparql#wktLiteral