メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.753871791194 37.3467220617614, 136.754853751479 37.3462417031067, 136.755489450411 37.3458930445997, 136.75599203817 37.3455764451596, 136.757824699675 37.3440934339598, 136.758722584708 37.343447739688, 136.760595777561 37.344857925788, 136.758931627367 37.34568925099, 136.755906632174 37.3471033818014, 136.754362043712 37.3476771104774, 136.754301906597 37.3475318807832, 136.754240613696 37.3473883339035, 136.754177008559 37.3472484410262, 136.754111178099 37.3471122024512, 136.754039690878 37.3469786167977, 136.753960247638 37.3468485248785, 136.753871791194 37.3467220617614)) ^^http://www.opengis.net/ont/geosparql#wktLiteral