メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.435194940278 42.8815603747207, 142.434725237406 42.8819586572697, 142.433011472937 42.8818557304715, 142.430262493997 42.8815679077725, 142.430606832528 42.8809931711534, 142.430737999783 42.8803404935165, 142.430692414149 42.8799164652759, 142.430647121314 42.8795968093952, 142.430428737485 42.8792481012969, 142.430241450822 42.8789090489012, 142.430241071206 42.8787785839111, 142.430311737753 42.8786740984927, 142.430524418409 42.8785889390129, 142.431277951956 42.878405083138, 142.431463914093 42.8782872604169, 142.431684577816 42.8779084501698, 142.43190513636 42.8774906054373, 142.432261048579 42.8778521018573, 142.432527587659 42.8781363055168, 142.433480733408 42.8791267258062, 142.434013888662 42.8797079274292, 142.434521049379 42.8802869895806, 142.434686559199 42.8805776829673, 142.434743246826 42.8811872984248, 142.434760947571 42.8813104199806, 142.435194940278 42.8815603747207)) ^^http://www.opengis.net/ont/geosparql#wktLiteral