メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.144650929134 34.6571052731818, 135.144502618852 34.6572707826899, 135.144368981588 34.6574198548323, 135.144140994764 34.6576743521051, 135.143984439784 34.6578421696153, 135.143646738621 34.6581734603025, 135.143511041206 34.6583128263067, 135.143476611239 34.6583481286533, 135.143303755877 34.65852281492, 135.143247009776 34.6585772816268, 135.143165981416 34.6586589544235, 135.142893136524 34.6589289612703, 135.142429733612 34.6586586386929, 135.142411814254 34.6586477704847, 135.141993301665 34.6583917969845, 135.142306640234 34.658078702441, 135.142782186015 34.6576180371645, 135.143119567332 34.6572799898145, 135.143460826039 34.6569379726355, 135.143719452494 34.6566787643104, 135.14420153105 34.6568896570962, 135.144650929134 34.6571052731818)) ^^http://www.opengis.net/ont/geosparql#wktLiteral