Session 2 - Enrichment and Preprocessing

Solution 03 - Add Sentiment Tags (Bonus)

Learning objective: In this bonus exercise, you will practice enriching data by assigning positive and negative sentiment tags.

Workflow description: This workflow enriches textual data with custom sentiment (positive and negative) tags and visualizes them.

You’ll find the instructions for the exercises in the yellow annotations.

Assign positive and negative sentiment tags

1. - Read files that contain positive and negative words:

   • MPQA-OpinionCorpus-PositiveList.csv

   • MPQA-OpinionCorpus-NegativeList.csv

2. Assign positive and negative sentiment tags based on positive and negative word lists using the Dictionary Tagger node.

3. View tagged documents.

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Reading Textual Data

Your Solution

Enrichment