メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.810428810487 36.9371211868103, 138.810349454325 36.9373292992518, 138.810308933959 36.937506051446, 138.810250616935 36.9378188727789, 138.810204369125 36.9382681751652, 138.810202134514 36.938290007631, 138.810194172656 36.9385843200069, 138.810213285747 36.9387756302733, 138.810250593969 36.9389337311435, 138.810149783221 36.9389413888131, 138.809942960059 36.9388057678792, 138.809951275985 36.9385923499848, 138.809568538329 36.9385914507282, 138.809421174109 36.9384263144674, 138.808997739018 36.9379932344043, 138.808586238085 36.9383092267509, 138.808166118888 36.9386320006588, 138.807757493008 36.938463808456, 138.807789354558 36.9384047974384, 138.80789898573 36.9383125632199, 138.80765014361 36.9381883835133, 138.807950423266 36.9378471946551, 138.808241792745 36.937563974114, 138.808274964961 36.9375310090819, 138.808641394355 36.9371957723691, 138.809363043102 36.9366126273605, 138.809733385818 36.9368673690368, 138.80998079644 36.9368446134765, 138.810269699994 36.936876947791, 138.810531054006 36.9369020288809, 138.810428810487 36.9371211868103)) ^^http://www.opengis.net/ont/geosparql#wktLiteral