The reference or extension of a term is the set of objects to which it reference.
But it has since developed an algorithm, which it calls reference rank, to predict whether a video will go viral when it has had as few as 10,000 views.
During the video call, Mr Khodayar "had repeatedly said 'immigration has killed my best friends'," RRAN said in a statement, which it claimed referenced "several Hazara asylum seekers who have taken their lives earlier this year".
The FBI maintains a huge database of more than 411m photos culled from sources including driver's licenses, passport applications and visa applications, which it cross-references with photos of criminal suspects using largely untested and questionably accurate facial recognition software.
It's not as good as his last four pictures, but considerably better than his shrill work of the 1980s, to which it makes explicit references.
The table gene_annotation contains a field called gene_symbol by which it can be referenced by entries in the gene_expression, genotype, and proteins tables.
With 275 galleries and 50 museums and institutions as partners, Art.sy has already digitized 20,000 images into its reference system, which it calls the Art Genome Project.
The film, Mr. Walsh's directorial debut, is also a gleeful comic anthology of cinematic jokes and references, which it trots out with a cocky exuberance that would be annoying if most of the choices weren't so witty.
This week, Facebook unveiled its search tool, which it calls graph search, a reference to the network of friends its users have created.
And this is, I feel, the moment at which it becomes necessary to reference Jared Leto's appearance as John Lennon's killer Mark Chapman in the ill-fated Chapter 27.
