メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.620258892668 35.3604001831923, 136.619846740572 35.3603943731128, 136.619844440502 35.3604868974597, 136.619492073563 35.3605004415951, 136.619490941041 35.3604134651524, 136.619098202888 35.3604158387636, 136.61909840284 35.3602651361696, 136.619098388091 35.3602482347247, 136.619098566533 35.360113446367, 136.619491302137 35.3601110728284, 136.619492322346 35.3600872046011, 136.619835294139 35.3600836173053, 136.619835160133 35.3601098845813, 136.620241372886 35.3601103865587, 136.620258892668 35.3604001831923)) ^^http://www.opengis.net/ont/geosparql#wktLiteral