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The Handbook of NLP with Gensim

You're reading from   The Handbook of NLP with Gensim Leverage topic modeling to uncover hidden patterns, themes, and valuable insights within textual data

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Product type Paperback
Published in Oct 2023
Publisher Packt
ISBN-13 9781803244945
Length 310 pages
Edition 1st Edition
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Author (1):
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Chris Kuo Chris Kuo
Author Profile Icon Chris Kuo
Chris Kuo
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Toc

Table of Contents (24) Chapters Close

Preface 1. Part 1: NLP Basics
2. Chapter 1: Introduction to NLP FREE CHAPTER 3. Chapter 2: Text Representation 4. Chapter 3: Text Wrangling and Preprocessing 5. Part 2: Latent Semantic Analysis/Latent Semantic Indexing
6. Chapter 4: Latent Semantic Analysis with scikit-learn 7. Chapter 5: Cosine Similarity 8. Chapter 6: Latent Semantic Indexing with Gensim 9. Part 3: Word2Vec and Doc2Vec
10. Chapter 7: Using Word2Vec 11. Chapter 8: Doc2Vec with Gensim 12. Part 4: Topic Modeling with Latent Dirichlet Allocation
13. Chapter 9: Understanding Discrete Distributions 14. Chapter 10: Latent Dirichlet Allocation 15. Chapter 11: LDA Modeling 16. Chapter 12: LDA Visualization 17. Chapter 13: The Ensemble LDA for Model Stability 18. Part 5: Comparison and Applications
19. Chapter 14: LDA and BERTopic 20. Chapter 15: Real-World Use Cases 21. Assessments 22. Index 23. Other Books You May Enjoy

Comparing LDA/NMF/BERTopic on Twitter/X posts

The previous use case showed us the value of annotating social media posts. Since we have learned many other NLP techniques, can we apply these other techniques? In this use case, we will learn how they applied more techniques to the social media data.

Background

The richness of unstructured social media data has opened a new avenue for social science research. Topic modeling techniques have been applied to classify data and gain insights into it.

Questions

Similar to the previous use case on social media text, how can we apply NLP techniques to annotate a large number of social media posts?

NLP solution

The authors of [7] compared different types of topic modeling algorithms and documented their empirical findings. They collected 31,800 unique Twitter posts relating to travel and the COVID-19 pandemic. They applied Python LDA, NMF, and BERTopic modeling. They showed the standard results of these models, such as the topics...

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