メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.388898898324 34.987551795154, 138.389510116677 34.9878762340629, 138.389763473617 34.9880106222628, 138.389899615188 34.9880889160401, 138.390115846441 34.9882132703993, 138.390146865289 34.9882310449154, 138.390653368306 34.9885984846945, 138.39114159476 34.9889489323907, 138.392275233678 34.9897318634421, 138.39152763239 34.9904843410199, 138.391104877554 34.9908751132039, 138.390684488442 34.9912861689705, 138.390280938851 34.9916677305408, 138.389869144435 34.9920847080432, 138.389724109315 34.9922209232398, 138.389541839031 34.9920186385057, 138.389433131308 34.991932058107, 138.388610681665 34.9914044646839, 138.387640827217 34.99086518127, 138.387490032126 34.9907524327926, 138.387419975092 34.9906513071148, 138.387353416912 34.9905501854713, 138.387314957653 34.9904347923786, 138.387201029227 34.9900537541906, 138.387156838811 34.9899059602404, 138.387128014371 34.9898095207702, 138.387017993318 34.9894120766291, 138.387006720638 34.98937142969, 138.386909729843 34.9890054074979, 138.386780489658 34.9885376598047, 138.386680539378 34.9883889686545, 138.386689057378 34.9883782717294, 138.386862323271 34.9881616593973, 138.387035792535 34.9879446252039, 138.387336436658 34.9875537548307, 138.387807581563 34.9869768328497, 138.388271754698 34.9872213516799, 138.388868306026 34.9875357099723, 138.388898898324 34.987551795154)) ^^http://www.opengis.net/ont/geosparql#wktLiteral