メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.641800790894 38.0368613850348, 140.641201997289 38.0365554624414, 140.64108311491 38.0364947289486, 140.640167077446 38.0359616148953, 140.639437399822 38.0355301688249, 140.638665347581 38.0349803876783, 140.638708416684 38.0348496688051, 140.640214078082 38.0346468878219, 140.641418539745 38.0344831571164, 140.641770372239 38.034428402737, 140.641828083993 38.0346165876417, 140.641930316688 38.0347717600495, 140.642072982587 38.0349344606083, 140.642416289204 38.0351701323857, 140.643279868347 38.0357228536855, 140.643180023411 38.0358234951634, 140.64308026232 38.0359045671285, 140.642952462411 38.0359781320684, 140.64266892951 38.0361032534409, 140.642376082899 38.0362577840008, 140.642238920569 38.0363462558878, 140.642117336707 38.0364420749968, 140.641980013974 38.0365919296042, 140.641800790894 38.0368613850348)) ^^http://www.opengis.net/ont/geosparql#wktLiteral