メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.203597474166 34.7031946911922, 135.203609368982 34.7031985500329, 135.20389967491 34.703297888543, 135.203686659384 34.7036567655286, 135.203661120043 34.7037097696479, 135.203447192338 34.704128235065, 135.202529762238 34.703819277435, 135.202738307202 34.7034076133558, 135.202952190933 34.7029846429257, 135.203597474166 34.7031946911922)) ^^http://www.opengis.net/ont/geosparql#wktLiteral