https://github.com/biaslab/onlinemessagepassingdirichletprocess

https://github.com/biaslab/onlinemessagepassingdirichletprocess

Science Score: 26.0%

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    Low similarity (8.4%) to scientific vocabulary
Last synced: 11 months ago · JSON representation

Repository

Basic Info
  • Host: GitHub
  • Owner: biaslab
  • Language: Julia
  • Default Branch: main
  • Size: 34.2 KB
Statistics
  • Stars: 3
  • Watchers: 1
  • Forks: 1
  • Open Issues: 0
  • Releases: 0
Created about 3 years ago · Last pushed about 2 years ago
Metadata Files
Readme

README.md

Online Structure Learning with Dirichlet Processes through Message Passing

By Bart van Erp, Wouter W. L. Nuijten and Bert de Vries


Abstract Generative or probabilistic modeling is crucial for developing intelligent agents that can reason about their environment. However, designing these models manually for complex tasks is often infeasible. Structure learning addresses this challenge by automating model creation based on sensory observations, balancing accuracy with complexity. Central to structure learning is Bayesian model comparison, which provides a principled framework for evaluating models based on their evidence. This paper focuses on model expansion and introduces an online message passing procedure using Dirichlet processes, a prominent prior in non-parametric Bayesian methods. Our approach builds on previous work by automating Bayesian model comparison using message passing based on variational free energy minimization. We derive novel message passing update rules to emulate Dirichlet processes, offering a flexible and scalable method for online structure learning. Our method generalizes to arbitrary models and treats structure learning identically to state estimation and parameter learning. The experimental results validate the effectiveness of our approach on an infinite mixture model.


This repository contains all experiments of the paper.

Installation instructions

  1. Install Julia

  2. Start a Pluto.jl server ```sh

    make pluto ```

License

MIT License Copyright (c) 2024 BIASlab

Owner

  • Name: BIASlab
  • Login: biaslab
  • Kind: organization
  • Email: info@biaslab.org
  • Location: Eindhoven, the Netherlands

Bayesian Intelligent Autonomous Systems lab

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Bart van Erp 4****p 10
Bagaev Dmitry b****i@g****m 1

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  • bartvanerp (1)
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