メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.777669866569 35.3753511644589, 136.777660179983 35.3753543023392, 136.77706851106 35.3755331526925, 136.776781284515 35.3755892612997, 136.776643102033 35.3756009239991, 136.776487577731 35.3755894327243, 136.776348269005 35.3755582750667, 136.775388256273 35.3752488828546, 136.775398796323 35.3733975291513, 136.775414873836 35.3733977231694, 136.775738427261 35.3733933564164, 136.777391397534 35.3733906399377, 136.777385548472 35.3743830716742, 136.777388881397 35.3746105443984, 136.777388828649 35.3746125867906, 136.777389057002 35.3746277985912, 136.777394140782 35.3751078084961, 136.777666016338 35.3750970007425, 136.777669866569 35.3753511644589)) ^^http://www.opengis.net/ont/geosparql#wktLiteral