メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.628158325504 35.9069279897862, 139.627982497341 35.9076776584469, 139.62792922212 35.9078975669013, 139.627904317984 35.9080232309622, 139.627815417436 35.9084316288319, 139.627780935678 35.9084025067236, 139.627779025305 35.9084381064754, 139.627326961663 35.9083023498507, 139.626457472307 35.9080855946988, 139.626561712266 35.9077144825655, 139.626569015294 35.9076853787657, 139.626651321042 35.9073610889119, 139.626800716172 35.9066967983479, 139.626933918645 35.9061434344804, 139.628264712189 35.9064075834002, 139.628158325504 35.9069279897862)) ^^http://www.opengis.net/ont/geosparql#wktLiteral