メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.770222246717 35.41469614303, 136.770221333565 35.4148829636723, 136.770203659605 35.4153223246445, 136.769133677794 35.4152948260553, 136.768998192133 35.4152511470645, 136.768899722405 35.4152194534853, 136.768895851784 35.414886108973, 136.768980797542 35.4148863861971, 136.768994595807 35.4146861580822, 136.769006333232 35.4143364919771, 136.770234748379 35.4143823235155, 136.770222246717 35.41469614303)) ^^http://www.opengis.net/ont/geosparql#wktLiteral