メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.897507028478 35.2582687998038, 136.897517833573 35.2590884886424, 136.897517985777 35.2591140503539, 136.894286767769 35.2591040145867, 136.894359279571 35.2585294917363, 136.894157072686 35.2584692516051, 136.894283973365 35.2576372592487, 136.894449163631 35.2566571237605, 136.894733133618 35.2560678683006, 136.89507011391 35.2553625419347, 136.895798735609 35.2553663659673, 136.896229100652 35.2553839531581, 136.897497867027 35.2554029790604, 136.897502704732 35.2554658030403, 136.897502386013 35.2555626974673, 136.897507028478 35.2582687998038)) ^^http://www.opengis.net/ont/geosparql#wktLiteral