メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.479313154066 40.6134645684974, 140.479324211444 40.6136127074672, 140.479331461278 40.6140524050706, 140.47933599437 40.614547607152, 140.479335299844 40.6150142964759, 140.478270885855 40.6150735827205, 140.478246855962 40.6148912080332, 140.478218278866 40.6148911202612, 140.477718322539 40.6149031627709, 140.477671617701 40.6148740306368, 140.477650656468 40.6148484251759, 140.477640833503 40.6148247542417, 140.477634023949 40.614790047636, 140.477504560264 40.6135176939257, 140.477531067366 40.6135162264995, 140.477410294568 40.6127322632428, 140.477578059855 40.6127409410748, 140.477663871753 40.6127166512938, 140.477900322439 40.6125704677373, 140.478050758752 40.6124865694871, 140.479320184853 40.6124728066624, 140.479317806809 40.6129217600298, 140.479320246805 40.6131367149897, 140.479313154066 40.6134645684974)) ^^http://www.opengis.net/ont/geosparql#wktLiteral