メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.761307614395 43.1776212606077, 141.761692376771 43.1778210918435, 141.76175762279 43.177833538031, 141.762230436454 43.1777398417389, 141.762606424023 43.1787247763716, 141.761853218138 43.179479978049, 141.761142431751 43.1802942222419, 141.760882767786 43.1801739742536, 141.760471019321 43.1799645308872, 141.76042833192 43.1799428276782, 141.760010190436 43.1797219612218, 141.759985500198 43.1797089148754, 141.759093872047 43.1792734805607, 141.759994565961 43.1783322067116, 141.760883236795 43.1774128176073, 141.761307614395 43.1776212606077)) ^^http://www.opengis.net/ont/geosparql#wktLiteral