メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.594731482523 34.6431551077246, 135.594904003925 34.6436310890166, 135.59514636396 34.6443618380865, 135.595230697584 34.6445890462261, 135.594344329619 34.6445853977375, 135.594332614885 34.6448655322835, 135.594329386291 34.6449422908731, 135.594323102709 34.645437961443, 135.594337337305 34.6455778839121, 135.593067133344 34.6455976000628, 135.592368814474 34.6455992126175, 135.591979089684 34.6456001634384, 135.591916962525 34.6456002368864, 135.591890280605 34.64467736491, 135.591994462982 34.6446772906113, 135.591931730907 34.6436762591223, 135.591808299725 34.6435958367289, 135.591767261293 34.6426202317609, 135.591937493312 34.6426099552383, 135.592261568146 34.642586670101, 135.593604315447 34.6425966448974, 135.594542088996 34.6425920180151, 135.594731482523 34.6431551077246)) ^^http://www.opengis.net/ont/geosparql#wktLiteral