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Exercises

This directory contains 9 workflows.

Icon01 Document Viewer 

Exercise: Exploring documents with the Document Viewer node. 1) Execute the metanodes below. They read and preprocess a sample of TripAdvisor reviews of […]

Icon02 Reading Text Data 

Exercise: Encapsulating strings into a document. 1) Read the KNIME-Tweets.table file available in the data folder. It contains a list of tweets about KNIME, […]

Icon02_​Tagging_​from_​Multiple_​Git_​Repositories 

This workflow shows how to tag multiple repositories with the same tag using the Git nodes. After accessing the local repositories, you can set a new […]

Icon03 Tagging 

Exercise: Tagging documents. In this exercise you'll add different types of tags to the agenda of the L4-TP instructor-led course. 1) Execute the workflow […]

Icon04 Cleaning and Filtering 

Exercise: Document Cleaning and Filtering. In this exercise you'll reduce and clean the agenda text of the L4-TP instructor-led course. 1) Execute the […]

Icon05 Bag of Words and Frequencies 

Exercise: Creating a bag of words and calculating frequencies. In this exercise you'll calculate word frequencies in the agendas of two different […]

Icon06 Document Vector 

Exercise: Creating and applying a document vector. In this exercise you'll build a document vector and then apply it to a new document. 1) Execute the […]

Icon07 Visualizations 

Exercise: Visualizations. In this exercise you'll visualize the agenda text of the L4-TP instructor-led course in a word cloud and a bar chart. 1) Execute […]

Icon08 Topic Detection 

Exercise: Topic Detection. In this exercise you'll use the LDA algorithm for topic detection in a document corpus. 1) Execute the Preprocessed Documents […]