メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.455452099611 36.3995812503103, 136.455346589551 36.3995994473542, 136.455309187087 36.3991732095269, 136.455480486043 36.3991612156945, 136.455452339746 36.3987276060641, 136.455112042116 36.398743192578, 136.45494263754 36.3987481575772, 136.454722242819 36.3979117368835, 136.45448813461 36.397023029597, 136.454149478715 36.3957377086621, 136.454271237186 36.395732739375, 136.454318633519 36.3957308079169, 136.4550175255 36.3957006924345, 136.455295837822 36.3961399951176, 136.455913878479 36.3971087010482, 136.457278978613 36.39925915766, 136.456428716504 36.3994240727344, 136.45642740773 36.3994243117833, 136.455527985705 36.3995690693837, 136.455452099611 36.3995812503103)) ^^http://www.opengis.net/ont/geosparql#wktLiteral