メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.510871959616 35.9588749688901, 140.509998452002 35.9594484763548, 140.509886890692 35.9594577401124, 140.509753914076 35.9594541728457, 140.509599386266 35.9594118538487, 140.508200927521 35.958784903083, 140.506774016404 35.9583991071799, 140.506467142693 35.9580273231391, 140.506272705449 35.957723008464, 140.506101165621 35.957366614915, 140.508536617499 35.9562560613549, 140.509716551538 35.9574216909822, 140.511091313811 35.9587309167032, 140.510871959616 35.9588749688901)) ^^http://www.opengis.net/ont/geosparql#wktLiteral