メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.039604730252 35.0033222188227, 137.038772360581 35.0040114104988, 137.038407837234 35.0037371991365, 137.03833520605 35.0037356432362, 137.038253705059 35.0037414034471, 137.038200607292 35.0037064146623, 137.03817238984 35.0036190529891, 137.037915679575 35.0035123635035, 137.037977766598 35.0034615084688, 137.038025659623 35.0034164142499, 137.038238532902 35.0032331020587, 137.038564961888 35.0029363090181, 137.038830669544 35.0027204447657, 137.038937454801 35.0026337180801, 137.039215955832 35.0023965967493, 137.039565407605 35.0020954588343, 137.039983234183 35.0022678091685, 137.040604713649 35.0024941767012, 137.039604730252 35.0033222188227)) ^^http://www.opengis.net/ont/geosparql#wktLiteral