メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.810516246971 35.3139326809081, 136.810699528765 35.314436400914, 136.809712748091 35.3146880811971, 136.809469560257 35.3147482103742, 136.809410890488 35.314592961939, 136.809067474306 35.3146694835074, 136.809014216076 35.3145492525458, 136.808741094739 35.3138156784579, 136.809329633169 35.3136624168378, 136.8099283752 35.3135083349695, 136.810318260678 35.3134076488899, 136.810516246971 35.3139326809081)) ^^http://www.opengis.net/ont/geosparql#wktLiteral