メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.416768144955 34.767722184501, 135.416766131962 34.7681937742617, 135.416757141695 34.7685692250747, 135.416753785269 34.7687103880209, 135.416733260149 34.7693258114675, 135.416207781242 34.7693304929046, 135.415717338553 34.7693190847722, 135.415624159893 34.769313716807, 135.415622432768 34.7691817544222, 135.415622660676 34.7687297596912, 135.415618425599 34.7686799354588, 135.415619370936 34.7682239904597, 135.41562117537 34.767748881951, 135.41561854323 34.7676325614534, 135.416790162428 34.7673705636752, 135.416768144955 34.767722184501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral