メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.322887754653 43.0980023751754, 141.322837994507 43.097935511425, 141.323230908773 43.0977888299107, 141.323583415981 43.0982597225246, 141.32421001433 43.0990690735742, 141.323961748849 43.0992397175295, 141.323902978335 43.0992801724219, 141.32359486183 43.0995118672405, 141.323520307569 43.0995679474627, 141.323056546606 43.099886781005, 141.322911684354 43.0999972170316, 141.322728859155 43.099825046518, 141.32257809942 43.0999510464286, 141.322504276347 43.0999140881186, 141.322516998404 43.0998914748374, 141.322437211891 43.0998363236442, 141.322645242027 43.0996929953875, 141.32259541684 43.0996240209415, 141.322437423293 43.0994091515764, 141.322869229112 43.0991536378795, 141.322252172574 43.0985397285315, 141.321969342461 43.0987873777842, 141.321853148542 43.0986773549556, 141.322204620427 43.0984029755868, 141.322285912668 43.0983582745345, 141.32247401137 43.0982189337003, 141.322493588211 43.0981554457423, 141.322887754653 43.0980023751754)) ^^http://www.opengis.net/ont/geosparql#wktLiteral