メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.060538851548 34.8830870686815, 137.060021948384 34.8828426553393, 137.059779369701 34.8827229970849, 137.059606314814 34.882564522564, 137.059419774842 34.8822696863022, 137.060718183123 34.8816237901188, 137.061420874908 34.8812762680092, 137.061844508671 34.8810733746411, 137.061932437498 34.8812278291762, 137.061408963535 34.8814436662193, 137.061344296834 34.8817072949326, 137.061294357339 34.8818627581039, 137.061033833372 34.8823622240052, 137.060729632547 34.882803055121, 137.060538851548 34.8830870686815)) ^^http://www.opengis.net/ont/geosparql#wktLiteral