メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.737054282446 35.3852507747605, 136.737083485169 35.3857598728784, 136.73521769186 35.3858633569355, 136.733379380905 35.385944482761, 136.731295012955 35.3860358057897, 136.729829582861 35.3860952429303, 136.729800320207 35.3855824122687, 136.729704089804 35.3845253488287, 136.729692242729 35.3839963840875, 136.729886687193 35.3839905363749, 136.731147763599 35.3839246597561, 136.733226443431 35.3838322647235, 136.735084554994 35.3837506470801, 136.736944048112 35.3836688939484, 136.737054282446 35.3852507747605)) ^^http://www.opengis.net/ont/geosparql#wktLiteral