メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.171566301208 34.2383724516851, 135.171078119455 34.2383770503455, 135.17108370202 34.2379973029142, 135.170863375405 34.2379893361743, 135.170741644882 34.2379844303368, 135.170749495438 34.2376935883245, 135.170866160109 34.2376962051311, 135.171377921151 34.237708106631, 135.171385846449 34.2379987757609, 135.171571330352 34.2380058000163, 135.171566301208 34.2383724516851)) ^^http://www.opengis.net/ont/geosparql#wktLiteral