メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.273166744534 43.067059008262, 141.273575206013 43.0672453477652, 141.274046442329 43.0675019171871, 141.274098879244 43.0675342928579, 141.274536350349 43.0677608231797, 141.274568856106 43.0677736895668, 141.275066757732 43.0680247854536, 141.275589398642 43.0682828404349, 141.275491509859 43.068364293191, 141.274807161645 43.0687640544147, 141.274709669295 43.0688204020067, 141.274335254204 43.0690388195729, 141.273962373943 43.0692630864698, 141.273432540893 43.0689625531825, 141.273426160334 43.0689717115434, 141.272996531822 43.0687463691537, 141.272641005838 43.0685605504974, 141.272585369211 43.0685303262654, 141.272160321118 43.0683129669655, 141.272149512527 43.0683049978017, 141.271605565036 43.068012353492, 141.27076343047 43.0675607432613, 141.27026266636 43.0672981393845, 141.271594484802 43.0662606417503, 141.271960778034 43.0664500024227, 141.272096730764 43.0665266265789, 141.272319045482 43.0666375353025, 141.272565247557 43.0667603916816, 141.272804884857 43.0668799570519, 141.273166744534 43.067059008262)) ^^http://www.opengis.net/ont/geosparql#wktLiteral