メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.290654967119 36.6787112635653, 137.28752441728 36.6787071293136, 137.285172668444 36.6786972022858, 137.282103833249 36.6786771608152, 137.282275157897 36.6777223425907, 137.28233955585 36.6773469409478, 137.282440624202 36.6767577475909, 137.282866790527 36.674993143164, 137.282919986241 36.6741260313954, 137.286421046545 36.6743054318684, 137.287954941342 36.6743396968915, 137.287961515882 36.6724915803474, 137.287980577981 36.6724762131266, 137.2889542994 36.672464924076, 137.289718045487 36.6744404476933, 137.290210535192 36.6759163600732, 137.290342336369 36.6767338553887, 137.290654967119 36.6787112635653)) ^^http://www.opengis.net/ont/geosparql#wktLiteral