メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.155642359987 34.6750228724379, 135.155596032846 34.6750276928283, 135.155570835654 34.6749625056791, 135.155399102087 34.6746999825162, 135.155194234763 34.674397116193, 135.15513035855 34.6742826086602, 135.155564982629 34.6738199179231, 135.155919811039 34.6741150091279, 135.156285619025 34.6744167861601, 135.156099209103 34.6746005963424, 135.156055902141 34.6746437085363, 135.155704809697 34.674993152368, 135.155642359987 34.6750228724379)) ^^http://www.opengis.net/ont/geosparql#wktLiteral