2018

Scaling-up Split-Merge MCMC with Locality Sensitive Sampling (LSS)

Luo, Chen, Shrivastava, Anshumali

Understand

Split-Merge MCMC (Monte Carlo Markov Chain) is one of the essential and popular variants of MCMC for problems when an MCMC state consists of an unknown number of components.

  • It is well known that state-of-the-art methods for split-merge MCMC do not scale well.
  • Strategies for rapid mixing requires smart and informative proposals to reduce the rejection rate.
  • However, all known smart proposals involve expensive operations to suggest informative transitions.

Reading the bibliography…