メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.336079344112 37.3987810455623, 140.338041256191 37.3986247212941, 140.338406095115 37.398595708906, 140.341511599836 37.3983240586394, 140.34165929488 37.3988373269912, 140.341790796063 37.3993499617937, 140.341911847535 37.3998112503179, 140.341067686203 37.3998849900956, 140.33971780461 37.4000008753377, 140.338253526544 37.4001310307948, 140.337907264488 37.4001617928563, 140.337491952845 37.4001987610012, 140.337303313811 37.4002139259401, 140.336231218699 37.4003004275533, 140.335530037447 37.4003609916144, 140.334258894879 37.4004707065045, 140.33413160527 37.3994900411967, 140.334065059441 37.3989514985718, 140.336079344112 37.3987810455623)) ^^http://www.opengis.net/ont/geosparql#wktLiteral