メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.360691519345 45.1209969445159, 142.358582853688 45.1206767940042, 142.358518631323 45.1206638505583, 142.3571251908 45.1204301563579, 142.355811400896 45.1202134539788, 142.356249513655 45.1185446356351, 142.356549209133 45.1178614817581, 142.358965369264 45.1186631736031, 142.360052278774 45.118943193033, 142.36075059171 45.1190106313823, 142.361085286202 45.1189786640279, 142.360691519345 45.1209969445159)) ^^http://www.opengis.net/ont/geosparql#wktLiteral