メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.988231848739 34.8760271314831, 136.988141179449 34.8760519292439, 136.987729493642 34.8761214669527, 136.987521022202 34.8761983485252, 136.987408697574 34.8762578357328, 136.987139995165 34.8764001264898, 136.987055461311 34.8764402264981, 136.987049562553 34.876443024987, 136.986463928449 34.8767596481936, 136.986291528045 34.8762729335713, 136.986094359836 34.8757458954175, 136.986032285217 34.8755940270055, 136.985868821749 34.8751218329137, 136.985983201 34.8750950295442, 136.986092708768 34.8750388497313, 136.98633906996 34.8749265306692, 136.986341728045 34.8749255123405, 136.987224241859 34.8745875340181, 136.98742251811 34.8749348356525, 136.987538116759 34.8751051653131, 136.987807060729 34.8754669383713, 136.988231848739 34.8760271314831)) ^^http://www.opengis.net/ont/geosparql#wktLiteral