メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.932427173264 35.4815596285539, 136.931887424361 35.4815640042019, 136.931832208068 35.4808737953347, 136.932463847232 35.4808878021147, 136.933865159569 35.4810259311375, 136.934298497014 35.481081307196, 136.934370752195 35.4810884527038, 136.934901210131 35.4811408461117, 136.934920567537 35.4814769733568, 136.93471652922 35.4814765806319, 136.93471154959 35.4817279074468, 136.93417244935 35.481633139017, 136.933909430782 35.4815972464511, 136.933453307324 35.4815612260573, 136.932427173264 35.4815596285539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral