Random probability measures via Polya sequences: revisiting the Blackwell-MacQueen urn scheme
Hemant Ishwaran, Mahmoud Zarepour · arXiv (Cornell University) · 2003
Sufficient conditions are developed for a class of generalized Polya urn schemes ensuring exchangeability. The extended class includes the Blackwell-MacQueen Polya urn and the urn schemes for the two-parameter Poisson-Dirichlet process and finite dimensional Dirichlet priors among others.