メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.205695469654 34.7033629131938, 135.205712459997 34.7033727923493, 135.20597597957 34.7035196461552, 135.206362553084 34.7036904068683, 135.206096982701 34.7041272778653, 135.206051423464 34.7042064844316, 135.205870497818 34.7041289029746, 135.205340916719 34.703853242101, 135.205320515028 34.7038432467207, 135.204816985788 34.7035955681952, 135.204797469592 34.7035888063094, 135.204833575719 34.7035431913585, 135.204941586451 34.7034259297044, 135.205242491672 34.7030969865385, 135.205245668928 34.703098935288, 135.205695469654 34.7033629131938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral