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n5google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:164093812
rdf:type
prov:Entity
prov:value
FIG. 6 is an example of a circular grid like FIG. 5 with additional defined angular sectors to further localize warning devices and dangerous situations.
prov:wasQuotedFrom
n5:com
Subject Item
isap:236250358
prov:wasDerivedFrom
isa:164093812