メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.179844656057 34.7912456714662, 137.178396564821 34.7898485491957, 137.179215952194 34.789070952705, 137.179448115565 34.7888680985159, 137.180204646414 34.7886601153086, 137.180513605999 34.7894652019843, 137.180759535627 34.7898257599002, 137.180704917854 34.7899271811706, 137.180677613283 34.7899947942793, 137.180691309128 34.7901863541848, 137.180636706301 34.7903553853454, 137.180595760017 34.7905131465786, 137.180527491424 34.7906596426006, 137.180377277625 34.7908399528447, 137.18025436637 34.7909301132626, 137.180145124294 34.7910991502673, 137.179967572359 34.7911667798051, 137.179844656057 34.7912456714662)) ^^http://www.opengis.net/ont/geosparql#wktLiteral