メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.69621748934 32.7950783151347, 130.696313453393 32.7952817335429, 130.69627045837 32.7952925156318, 130.695562756283 32.7955146209082, 130.69547123222 32.7953121108146, 130.695445075781 32.7953203261846, 130.695294185529 32.7949766943395, 130.695514330998 32.7949162841572, 130.695486651756 32.7948691899907, 130.695913609241 32.7947437562164, 130.696083456736 32.7946951834771, 130.696094139808 32.7947115363985, 130.696155986141 32.7948477487879, 130.696196819423 32.7948405903943, 130.696281255744 32.7950607140745, 130.69621748934 32.7950783151347)) ^^http://www.opengis.net/ont/geosparql#wktLiteral