メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.644701208411 35.0790248708608, 136.644687897073 35.0794240398899, 136.644625304009 35.079836992621, 136.644627323485 35.0800939635201, 136.64445671409 35.0814136487019, 136.643042542599 35.0815360939625, 136.641923731769 35.0815555466835, 136.641417113004 35.0814737893047, 136.641807104798 35.0797944119887, 136.642070631686 35.0787717833062, 136.642165603473 35.0782910512109, 136.644746618661 35.0785241884357, 136.644701208411 35.0790248708608)) ^^http://www.opengis.net/ont/geosparql#wktLiteral