メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.75502622932 35.4114128666634, 136.755790293711 35.4113327305033, 136.755778372157 35.4112072698896, 136.7561530358 35.4111694553472, 136.756152577869 35.4112599436346, 136.75624054011 35.4112581994384, 136.756257052905 35.4112586771149, 136.756281052353 35.4115133989093, 136.756277882755 35.4115362039845, 136.755796736839 35.4115466189544, 136.7557990246 35.411595990838, 136.755062022078 35.4116682990204, 136.75502622932 35.4114128666634)) ^^http://www.opengis.net/ont/geosparql#wktLiteral