Description:

This source directory contains library routines that provide alternative ways of computing generalised second order Stirling numbers used in working with Pitman-Yor and Dirichlet processes (PYP and DP). Included is library routines for posterior sampling on the discount and concentration parameters of the PYP/DP, and some simple demo scripts.

System used for Pitman-Yor processing with topic models, to allow easy scaling to gigabytes of text. Tested on a few versions of Ubuntu Linux and MacOSX and Windows with gcc. In default configuration has no prerequisities. Allows multi-threaded access on Linux version for use in multi-core contexts.

Matching paper with some of the theory at http://arxiv.org/abs/1007.0296, and a series of papers by Buntine and students.

Changes to previous version:

Moved repository to GitHub, and added thread support to use the main table lookups in multi-threaded code.

BibTeX Entry: Download

Corresponding Paper BibTeX Entry: Download

Supported Operating Systems: Linux, Windows, Mac Os X

Data Formats: Agnostic

Tags: Library, Pitman Yor Process, Stirling Number

Archive: download here

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