メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.72012101626 35.3738901045889, 136.718033169267 35.3739914304086, 136.71598062571 35.3740586982032, 136.713908293109 35.3741663487762, 136.71387471606 35.3736768707041, 136.713847737603 35.373221924057, 136.713813217821 35.3726401922065, 136.713739158906 35.3715902258072, 136.715809663178 35.3714950392463, 136.717855753043 35.3713985285057, 136.719959321731 35.3713072667585, 136.720002246799 35.3718791679069, 136.720024594129 35.3723476153361, 136.72012101626 35.3738901045889)) ^^http://www.opengis.net/ont/geosparql#wktLiteral