メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.223352985095 34.7138803299328, 135.223619033412 34.7140023377414, 135.224104496235 34.7142241558163, 135.223976353364 34.7144910292333, 135.223947010347 34.7145543473299, 135.223869752365 34.714730700628, 135.223835096037 34.7148075797335, 135.223771120541 34.7149500304122, 135.223691084413 34.7151218965534, 135.223031341715 34.7146827426017, 135.222759908243 34.7144882319001, 135.22274804839 34.7144797265665, 135.222795795663 34.7143509170972, 135.222883440626 34.7141249072002, 135.22303759709 34.7137383988538, 135.223352985095 34.7138803299328)) ^^http://www.opengis.net/ont/geosparql#wktLiteral