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
n4google.
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:107540862
rdf:type
prov:Entity
prov:value
However, as will be more particularly set forth later, it is important to synchronize timed data within the nationwide system, even taking into account differences in travel time of radio waves (see U.S. Pat. No. 4,591,906), and for this reason the technique described in U.S. Pat. No. 4,755,871, Jul. 5, 1988 for Control of RF Answer Pulses in a TV Answer Back System may be used to synchronize tran
prov:wasQuotedFrom
n4:es
Subject Item
isap:224153082
prov:wasDerivedFrom
isa:107540862