Dirichlet process models

E315947

Dirichlet process models are a class of Bayesian nonparametric models that allow flexible, potentially infinite mixture modeling without fixing the number of components in advance.

All labels observed (6)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf Bayesian nonparametric model
probabilistic model
appliedIn bioinformatics
computer vision
document clustering
genetics
image segmentation
natural language processing
time series analysis
topic modeling
assumes exchangeability of observations
basedOn Dirichlet process models self-linksurface differs
surface form: Dirichlet process
baseMeasureDefines distribution of cluster parameters
canBeExtendedTo dependent Dirichlet process models
hierarchical models
spatial Dirichlet process models
temporal Dirichlet process models
concentrationParameterAffects expected number of clusters
controlsWith concentration parameter
definesPriorOver discrete probability measures
partitions of data
generalizationOf finite mixture models
hasComponent base measure
concentration parameter
random probability measure
hasProperty can avoid overfitting via Bayesian regularization
exchangeable prior over partitions
flexible number of mixture components
nonparametric
potentially infinite mixture components
supports automatic model complexity selection
hasRepresentation Chinese restaurant process
Pólya’s urn model
surface form: Pólya urn scheme

stick-breaking construction
inferenceMethod Gibbs sampling
Markov chain Monte Carlo
collapsed Gibbs sampling
sequential Monte Carlo
variational inference
originatesFrom Bayesian statistics
relatedTo Chinese restaurant process
Dirichlet process models self-linksurface differs
surface form: Dirichlet process mixture model

Pitman–Yor process models
Dirichlet process models self-linksurface differs
surface form: hierarchical Dirichlet process
usedFor clustering
density estimation
mixture modeling
unsupervised learning
usedIn machine learning research

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Yee-Whye Teh knownFor Dirichlet process models
Yee-Whye Teh knownFor Dirichlet process models
this entity surface form: hierarchical Dirichlet processes
Yee-Whye Teh hasWrittenWork Dirichlet process models
this entity surface form: Hierarchical Dirichlet Processes
Dirichlet process models basedOn Dirichlet process models self-linksurface differs
this entity surface form: Dirichlet process
Dirichlet process models relatedTo Dirichlet process models self-linksurface differs
this entity surface form: Dirichlet process mixture model
Dirichlet process models relatedTo Dirichlet process models self-linksurface differs
this entity surface form: hierarchical Dirichlet process
Stick-breaking construction for the Indian buffet process relatesTo Dirichlet process models
this entity surface form: Dirichlet process