Topic Detection Based on Movie Reviews

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This workflow shows how to import text from a CSV file, convert it to documents, pre-process the documents and assign topics based on the LDA (Latent Dirichlet Allocation) algorithm, which performs unsupervised topic detection.

URL: Topic Detection (LDA) https://youtu.be/rNxBpJXe_Qw

Nodes

• CSV Reader1 ×
• Case Converter1 ×
• Column Filter1 ×
• GroupBy1 ×
• N Chars Filter1 ×
• Show all 11 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME Textprocessing

Links

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