メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.182624463379 35.3616839944972, 137.182310210472 35.3620559348954, 137.182024455456 35.3623951948786, 137.181610846282 35.3628655256553, 137.181078256714 35.3625687530796, 137.181518991785 35.3620842662436, 137.182108051121 35.3613915210624, 137.182656714666 35.3607260318499, 137.182703179586 35.3606513073779, 137.18273593008 35.3609022196749, 137.182778039457 35.3611142566213, 137.182870946096 35.3612338224572, 137.18295498406 35.3612881786738, 137.182624463379 35.3616839944972)) ^^http://www.opengis.net/ont/geosparql#wktLiteral