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
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n4datasync.
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:353031855
rdf:type
prov:Entity
prov:value
In the mid-1960s a few scientists and engineers, notably James E. McDonald, a University of Arizona at Tucson meteorologist, and J. Allen Hynek, a Northwestern University at Evanston, Illinois astronomer, concluded that a small percentage of the most reliable UFO reports gave definite indications of the presence of extraterrestrial visitors.
prov:wasQuotedFrom
n4:com
Subject Item
isap:284248409
prov:wasDerivedFrom
isa:353031855