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Solutions

This directory contains 8 workflows.

Icon01 Document Viewer - Solution 

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 - Solution 

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, […]

Icon03 Tagging - Solution 

Exercise: Tagging a document. 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 - Solution 

Icon05 Bag of Words and Frequencies - Solution 

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 - Solution 

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 - Solution 

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 - Solution 

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