メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.367192413631 43.1190537418009, 141.367057713377 43.119579762172, 141.36718723471 43.119598725362, 141.36717840869 43.1196252588751, 141.367194851601 43.1196277226972, 141.367185164564 43.119651315832, 141.367113178342 43.1198263763626, 141.367027213906 43.120091039615, 141.367002931517 43.1200872198757, 141.365337979151 43.1198253234416, 141.365430923809 43.1194376223341, 141.365598364887 43.1192904552045, 141.365599484107 43.1192860330973, 141.365676470795 43.1189802147999, 141.365701354882 43.1188525564443, 141.367192413631 43.1190537418009)) ^^http://www.opengis.net/ont/geosparql#wktLiteral