Probabilistic Latent Semantic Analysis
GPTKB entity
Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
statistical analysis
topic model |
| gptkbp:abbreviation |
gptkb:PLSA
|
| gptkbp:application |
collaborative filtering
text mining document clustering topic discovery |
| gptkbp:basedOn |
latent semantic analysis
|
| gptkbp:describes |
documents as mixtures of topics
topics as distributions over words |
| gptkbp:field |
gptkb:machine_learning
information retrieval natural language processing |
| https://www.w3.org/2000/01/rdf-schema#label |
Probabilistic Latent Semantic Analysis
|
| gptkbp:influenced |
gptkb:Latent_Dirichlet_Allocation
|
| gptkbp:inventedBy |
gptkb:Thomas_Hofmann
|
| gptkbp:limitation |
overfitting
no prior on topic distribution |
| gptkbp:publicationYear |
1999
|
| gptkbp:relatedTo |
gptkb:Latent_Dirichlet_Allocation
|
| gptkbp:uses |
expectation-maximization algorithm
|
| gptkbp:bfsParent |
gptkb:PLSA
gptkb:PLSI |
| gptkbp:bfsLayer |
8
|