メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.756735594106 35.436568133859, 136.758317949641 35.4369760749572, 136.75848258182 35.4373715364131, 136.757213364041 35.4377236242768, 136.756239831477 35.4380245164379, 136.756039204094 35.4376448817336, 136.755892761802 35.4373297210555, 136.755856841346 35.437244428546, 136.755878487069 35.4372093621728, 136.755900891591 35.4371858132161, 136.755846442052 35.436775334388, 136.7559922802 35.4363694771408, 136.756735594106 35.436568133859)) ^^http://www.opengis.net/ont/geosparql#wktLiteral