メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.161118084051 35.0803211124102, 137.161162342351 35.080629581081, 137.161177193291 35.0807133207611, 137.160945791674 35.0807295042387, 137.160934416234 35.0806640786715, 137.160578105348 35.0806846217906, 137.160558489163 35.080374181807, 137.160507577878 35.079890983976, 137.160447350929 35.0791426311755, 137.160441303393 35.0788885328722, 137.161270225881 35.0788770322027, 137.162192334323 35.0788444734176, 137.162193142284 35.0788706715183, 137.162216555548 35.0799360092758, 137.161947224988 35.0798849378261, 137.161986229358 35.0802386181107, 137.161118084051 35.0803211124102)) ^^http://www.opengis.net/ont/geosparql#wktLiteral