PLSA

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf statistical analysis
gptkbp:application information retrieval
text mining
document clustering
gptkbp:field gptkb:machine_learning
natural language processing
gptkbp:form probabilistic graphical model
gptkbp:fullName gptkb:Probabilistic_Latent_Semantic_Analysis
https://www.w3.org/2000/01/rdf-schema#label PLSA
gptkbp:input document-term matrix
gptkbp:introducedIn 1999
gptkbp:inventedBy gptkb:Thomas_Hofmann
gptkbp:limitation overfitting
no generative model for new documents
gptkbp:optimizedFor expectation-maximization
gptkbp:output topic distribution
gptkbp:relatedTo gptkb:Latent_Semantic_Analysis
gptkb:Latent_Dirichlet_Allocation
gptkbp:supportsAlgorithm unsupervised learning
gptkbp:usedFor topic modeling
gptkbp:bfsParent gptkb:LDA
gptkbp:bfsLayer 7