Hochster–Roberts theorem

EdgeRank is the name commonly given to the algorithm that Facebook uses to determine what articles should be displayed in a user's News Feed.

An older definition of EdgeRank is as follows:

$\sum _{\mathrm{e}\mathrm{d}\mathrm{g}\mathrm{e}\mathrm{s}e}{u}_e{w}_e{d}_e$

where:

$u_e$ is user affinity

$w_e$ is how the content is weighted

$d_e$ is a time-based decay parameter

According to Techcrunch, some of the methods that Facebook uses to adjust the parameters are proprietary and not available to the public.

According to Marketing Land, Facebook stopped referring to its feed prioritisation algorithm as EdgeRank internally in 2010/2011, and so the term may be considered obsolete now - other than as a useful shorthand for "Facebook's feed prioritisation algorithm".

See also

• PageRank

References

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External links

• edgerank.net
• What is EdgeRank?
• Facebook - How News Feed Works

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