This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
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:378574419
rdf:type
prov:Entity
prov:value
Taking advantage of the above generally-true suppositions about road sign situations, a suitable arrangement of lenses and reflective surfaces and/or visual indicia suitably arranged in respect of each other, such arrangements as have been described above for changing messages when perceived from different angles can be used to change the messages visible to (e.g.) motorists driving along a road t
prov:wasQuotedFrom
n5:com
Subject Item
isap:65846731
prov:wasDerivedFrom
isa:378574419