メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.696825125429 35.0679920441217, 136.69647947528 35.0680195215915, 136.696162371831 35.0680999338647, 136.696117002453 35.0677256727858, 136.696240650946 35.0677110204332, 136.696221929047 35.067493795531, 136.696061769724 35.0675109116475, 136.695981177728 35.0669633247714, 136.695943017716 35.0666109948829, 136.696229610128 35.0665793512612, 136.696276603339 35.0668171896395, 136.696734691549 35.0667821662953, 136.69678046187 35.0670374066026, 136.696860305775 35.0676623237862, 136.696825125429 35.0679920441217)) ^^http://www.opengis.net/ont/geosparql#wktLiteral