メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.202589030665 34.6956627296176, 135.202717881643 34.695720405046, 135.202645887311 34.6958809319373, 135.202520973643 34.6961995956333, 135.2025135097 34.6962197915964, 135.2023829824 34.696572441353, 135.202084303963 34.6964528749605, 135.20148697312 34.6962159933948, 135.201966770942 34.6953899691783, 135.202589030665 34.6956627296176)) ^^http://www.opengis.net/ont/geosparql#wktLiteral