メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.530728939509 44.0654446417999, 143.527567397206 44.066493054216, 143.527561232801 44.0664830621558, 143.526442473113 44.0668475950128, 143.526183893204 44.0669318449759, 143.525719049222 44.0662081683991, 143.526014200114 44.0661103609045, 143.525897627168 44.0659273895978, 143.525547220677 44.06537775903, 143.526647914426 44.0649994402433, 143.528428917016 44.0644044697562, 143.528508662861 44.0643806668089, 143.529279285806 44.064150540353, 143.529476036569 44.0640850904572, 143.529770272706 44.0639871841539, 143.529830612511 44.0639671061584, 143.530728939509 44.0654446417999)) ^^http://www.opengis.net/ont/geosparql#wktLiteral