= A Bayesian Analysis of Some Nonparametric Problems by Thomas S. Ferguson
{c}
{tag=Work by Thomas S. Ferguson}
{title2=1973}
{title2=10.1214/aos/1176342360}
By <Thomas S. Ferguson>. The Annals of Statistics 1(2), 209–230.
https://doi.org/10.1214/aos/1176342360
Original paper: https://users.wpi.edu/~balnan/Ferguson1973.pdf
Sections 3–4 define the Dirichlet process and its discrete realization; Section 3, Theorem 1, gives the posterior update by adding point masses at observations. The wiki uses concentration plus a normalized base measure instead of the paper's single finite nonzero parameter measure.
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