メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.39173543748 37.3412170791578, 140.390736698001 37.3412261630175, 140.390122174117 37.3412421585053, 140.389102848211 37.3414309873395, 140.389347645186 37.3409989874573, 140.38951174256 37.3405461063294, 140.389628828542 37.3402049583115, 140.389600126579 37.3400969591916, 140.390030170851 37.3400248138591, 140.390432101109 37.3399242161437, 140.390845974596 37.3398235624692, 140.391228870953 37.3398441408243, 140.392335330715 37.3412076218313, 140.39173543748 37.3412170791578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral