メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.375325810969 42.9972676546735, 144.375974063551 42.9973791655136, 144.377291162586 42.9976158615206, 144.377437344354 42.9976429591679, 144.378508847841 42.9978420837002, 144.378377601733 42.9982861204712, 144.378464523819 42.9983006776936, 144.379139083131 42.9984132989481, 144.379123322004 42.9984617679121, 144.378738433172 42.9996283725796, 144.378372459754 43.0007382891523, 144.378061098095 43.0016820565252, 144.37739174337 43.0015657436059, 144.376725670657 43.0014500697529, 144.376198408558 43.0013586049194, 144.374358099015 43.0010389269721, 144.373529136874 43.0008948943101, 144.373420598819 43.0008760231245, 144.373717760226 42.9999352071572, 144.374011270843 42.9990555023359, 144.374086361565 42.9988268760648, 144.374355687697 42.9980073990293, 144.374637659651 42.997149215764, 144.375325810969 42.9972676546735)) ^^http://www.opengis.net/ont/geosparql#wktLiteral