メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.942931842734 34.8886177921883, 136.943221814229 34.888978014098, 136.943912070933 34.8897922609966, 136.944158442882 34.8900873233581, 136.943667445094 34.890374274059, 136.943395596649 34.8904394161595, 136.942098594782 34.8907693902086, 136.940829666655 34.8910509462312, 136.939485864072 34.8909779424447, 136.939566583255 34.8901932148208, 136.938813118481 34.8901404617274, 136.939481422253 34.8898921763025, 136.938941881259 34.8892691945922, 136.939298300716 34.8891276614991, 136.940037362578 34.8888568267441, 136.940912090407 34.8885363046049, 136.941432707147 34.8883493731203, 136.942416851534 34.8879959977057, 136.942931842734 34.8886177921883)) ^^http://www.opengis.net/ont/geosparql#wktLiteral