メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.737481018349 35.1726632916312, 136.736810830137 35.1726956306843, 136.736712254972 35.1719350169009, 136.736748984608 35.171930851359, 136.736796222347 35.1719267240272, 136.736805763731 35.1720447827687, 136.736949545034 35.1720378992566, 136.737622183148 35.171995216138, 136.73800635326 35.1720078446719, 136.738891306323 35.1720635094288, 136.738863419835 35.1725819210196, 136.737481018349 35.1726632916312)) ^^http://www.opengis.net/ont/geosparql#wktLiteral